Patent

Suchergebnisse für: ABACUS

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Relevanz

Patent:GB189403834 24.03.1894 Furrer, Alfred (P) : An improved money abacus [46.70%]
Patent:GB189811645 08.08.1889 Raphael Kabalkin : An Improved Abacus or Instrument for Rapid Calculation [47.68%]
Patent:GB189900692 18.02.1899 George Bower Froom : A New or Improved Abacus or Device for use in Calculating and for like Purposes [47.18%]
Patent:GB190325109 27.10.1904 Baines, Hewley Mortimer (P) : Improvements in Slide Rules and like Calculating Apparatus [50.38%]
Patent:GB190414716 04.05.1905 Wolodarsky, Hirsh (P) : An Improved Counting Frame or Apparatus [11.08%]
Patent:GB190425302 21.09.1905 James Thomas Reeve : An Improved Abacus or Apparatus chiefly designed for use in Teaching Arithmetic [45.75%]
Patent:GB191317890 05.08.1913 Montessori, Maria (P) : Abacuses [18.05%]
Patent:GB214142 17.04.1924 Lyadoff, Peter (P) : Improvements in or relating to calculating apparatus [12.40%]
Patent:GB2364412 23.01.2002 Stone Celia Anne : Abacus [47.26%]
Patent:GB343323 19.02.1931 Hugo Jung : Improvements in and relating to beads or counters for abacuses [12.05%]
Patent:GB359210 22.10.1931 Sarah Weaver Stephens : Improved apparatus for teaching calculations to children and for like [28.76%]
Patent:GB370060 07.04.1932 John James : Apparatus for teaching arithmetic [47.43%]
Patent:GB580444 09.09.1946 Samuel Lindon : An improved counting device [18.10%]
Patent:GB587220 17.04.1947 Lancelot Hogben : Apparatus for the use in the teaching of arithmetic operations [18.34%]
Patent:GB665938 06.09.1949 Debogorski, Julian (P) : Adding And Subtracting Instrument for British Montary and Weight Units [27.95%]
Patent:GB732266 22.06.1955 Kosma Pawlow : An improved abacus [49.23%]

Patent:JP1018176 20.01.1989 Tagaito Shigeru Sharp (P) Corp : Abacus Practicing Machine [47.18%]
Patent:JP10187023 14.07.1998 Suzuki Satoshi, Kanamaki Youichirou : Training Device For Metal Arithmetic Using Abacus [26.13%]
Patent:JP11119896 30.04.1999 Hirai Yoshihiro : Abacus Type Input Device, Abacus Practice Device, And Network Of The Same [65.45%]
Patent:JP1206421 18.08.1989 Haraguchi Masashi : Electric Digital Signal Converting System For Numeric Value On Abacus [46.22%]
Patent:JP2001142556 25.05.2001 Kudo Kazunori : Abacus With Doll [48.71%]
Patent:JP2001175159 29.06.2001 Kono Takeshi Tomoe (P) Soroban Co Ltd : Abacus Type Mental Calculation Training Implement [45.75%]
Patent:JP2002014606 18.01.2002 Yamada Toshibumi, Miyamoto Yasushi : Abacus Type Input Device, Abacus Education Device And Its Recording Medium, And Abacus Education System [74.93%]
Patent:JP2002229436 14.08.2002 Suwa Masao Azul Web.Com Kk : Network System For Soroban (Japanese Abacus) [25.28%]
Patent:JP2002258730 11.09.2002 Ishido Kenichi, Numata Kiyomi, Kanoto Yumi : Abacus Learning System [46.22%]
Patent:JP2002263462 17.09.2002 Shiotani Yasumi Shinryo Corp : Mechanical Agitation Device For Abacus Bead Shaped Digester Chamber [44.85%]
Patent:JP2002304228 18.10.2002 Mizutani Yoji : Three Bead Two Space Abacus [48.19%]
Patent:JP2003015757 17.01.2003 Sekiguchi Toshiharu : Arithmetic Abacus [63.01%]
Patent:JP2004073800 11.03.2004 Okada Yukitoshi : Manufacture Of Abacus Bead Pearl [61.25%]
Patent:JP2110683 23.04.1990 Takashi Murai : Abacus Type Bar Code [25.43%]
Patent:JP2127712 16.05.1990 Ooe Chizuko NEC (P) Corp : Soroban [60.01%]
Patent:JP2159663 19.06.1990 Yoshinobu Sakuma : Digital Soroban (Abacus) [48.19%]
Patent:JP3022116 30.01.1991 Tokunaga Takeshi : Abacus With Comma And Decimal Point [27.74%]
Patent:JP3188483 16.08.1991 Aoki Yoshihiko Kuraray Co Ltd : Voice Generator For Outputting Abacus Question [44.61%]
Patent:JP4096083 27.03.1992 Wakaguwa Akio Kuraray Co Ltd : Voice Generation Device For Abacus Calculation Problem [46.22%]
Patent:JP4096084 27.03.1992 Wakaguwa Akio Kuraray Co Ltd : Voice Generation Device For Abacus Calculation Problem [46.22%]
Patent:JP4096085 27.03.1992 Wakaguwa Akio Kuraray Co Ltd : Voice Generation Device For Abacus Calculation Problem [46.22%]
Patent:JP4110986 13.04.1992 Wakaguwa Akio Kuraray Co Ltd : Voice Generator For Making Abacus Questions [46.70%]
Patent:JP5142989 11.06.1993 Abe Tetsuya Tohoku Nippon Denki Software Kk : Abacus Calculation Device [24.52%]
Patent:JP5313770 26.11.1993 Sato Atsuhiko : Japanese Abacus With Finger Exerciser [47.68%]
Patent:JP55066019 19.05.1980 Takahashi Toshio : Abacus Type Electronic Desk Calculator [84.02%]
Patent:JP55076417 09.06.1980 Wakatsuki Shinji : Japanese Abacus [54.05%]
Patent:JP55082337 21.06.1980 Hatano Fujio : Abacus Type Desk Computer [47.68%]
Patent:JP55087222 01.07.1980 Katano Haruyuki : Japanese Abacus [48.19%]
Patent:JP55134468 20.10.1980 Morooka Koji : Digital Abacus [48.71%]
Patent:JP55150024 21.11.1980 Yoshimaura Chikafusa : Japanese Abacus [55.24%]
Patent:JP56029736 25.03.1981 Harada Yuji Canon (P) Inc : Electronic Japanese Abacus [67.79%]
Patent:JP56068812 09.06.1981 Kinugawa Masayoshi : Japanese Abacus [48.71%]
Patent:JP56076819 24.06.1981 Kawai Yasuto : Manufacture Of Japanese Abacus [48.19%]
Patent:JP56111924 04.09.1981 Tomita Shitomi : Abacus [28.05%]
Patent:JP56132618 17.10.1981 Higuchi Shigemitsu Hitachi (P) Ltd : Practice Device For Calculation On Abacus [47.18%]
Patent:JP57036324 27.02.1982 Wakatsuki Shinji : Soroban Japanese Abacus [48.19%]
Patent:JP57073431 08.05.1982 Wakatsuki Shinji : Recalculating Device Of Soroban (Japanese Abacus) [47.18%]
Patent:JP57141730 02.09.1982 Wakatsuki Shinji : Abacus [49.23%]
Patent:JP58096321 08.06.1983 Mitomi Kunimoto Mitomi Shiyuzan Kenkyusho : Abacus Provided With Stopwatch [43.81%]
Patent:JP59022116 04.02.1984 Tatezawa Hiroshi : Electric Signal Output Device Of Abacus [47.18%]
Patent:JP59038868 02.03.1984 Nomura Takeshi : Abacus Type Electronic Computer [47.68%]
Patent:JP59053918 28.03.1984 Horikoshi Tatsuo Hitachi (P) Seisakusho Kk : Abacus Provided With Timer [69.51%]
Patent:JP59153252 01.09.1984 Aoki Yasuhiro : Abacus Type Electronic Computer [59.84%]
Patent:JP60068453 19.04.1985 Ootsuki Noboru : Abacus With Electronic Computer [74.95%]
Patent:JP61009749 17.01.1986 Kojima Youichi Bijitetsuku : Abacus Data Processor [79.34%]
Patent:JP61084717 30.04.1986 Nakamura Norio : Scaling Device Attached To Abacus [54.73%]
Patent:JP61183724 16.08.1986 Wakatsuki Shinji Kiko Soroban Kk : Cancelling Device Of Soroban [46.19%]
Patent:JP62085314 18.04.1987 Kawai Isato : Comma/Decimal Point Moving Device For Abacus [55.08%]
Patent:JP62168215 24.07.1987 Ishioka Hiroyuki Shimadzu Corp : Electronic Calculator With Abacus [73.41%]
Patent:JP63053619 07.03.1988 Watanabe Masahiko, Katsuhiko Shishido : Zeroing Device For Abacus [64.55%]
Patent:JP63208992 30.08.1988 Murai Takashi : Abacus Type Code [48.19%]
Patent:JP63273923 11.11.1988 Okochi Tsuneo Mitsubishi (P) Electric Corp : Abacus Type Calculator [80.26%]
Patent:JP63278110 15.11.1988 Sasano Kiichi : Japanese Abacus Grooved To Scrape Finger Sebum [39.20%]
Patent:JP7248719 26.09.1995 Ishii Yasuo : Game Type Abacus Training Card [46.70%]
Patent:JP8305460 22.11.1996 Kato Susumu, Kato Koshi, Kato Hisako, Kato Tomohiro, Katou Youta : Training Machine For Mental Calculation Of Japanese Abacus [60.52%]
Patent:JP9006456 10.01.1997 Kawasaki Hiroyuki, Shinchi Sangyo : Abacus [48.19%]

Patent:US1029655 18.06.1912 Doichi Yadu : Automatic abacus [49.23%]
Patent:US1081815 16.12.1913 José Miguel de la Rosa : Arithmetical abacus [48.19%]
Patent:US1099009 02.06.1914 R. C. Bennet : Calculator or Abacus [11.78%]
Patent:US1142651 08.06.1915 T. Winiecki : Educational Appliance [13.82%]
Patent:US1441323 09.01.1923 A. J. Barber : Abacus Frame [37.45%]
Patent:US1498121 17.06.1924 H. Rieck : Educational Appliance [12.99%]
Patent:US1528049 03.03.1925 E. J. Fletcher : Chair [12.87%]
Patent:US1863927 21.06.1932 K. Y. Konno : Calculating Device [24.48%]
Patent:US2228554 14.01.1941 C. A. Brown : Abacus [29.35%]
Patent:US232482 21.09.1880 H. Fitch : Calculators [18.29%]
Patent:US2457332 28.12.1948 Wade, F. A. (P) et al : Educational Apparatus [26.55%]
Patent:US2527080 24.10.1950 Rickard, R. E. (P) et al : Abacus [27.56%]
Patent:US2646631 28.07.1953 Lazar, N. (P) : Combined Abacus and Counting Rack [30.24%]
Patent:US2654164 06.10.1953 Seidenberg, O. (P) : Abacus [26.41%]
Patent:US2655737 20.10.1953 Don Dero, S. F. (P) : Abacus [24.83%]
Patent:US271749 06.02.1883 H. Steward : Abacus Attachement for School Slates [39.51%]
Patent:US2733009 31.01.1956 Forbes, C. M., Jr. (P) : Abacus with Money Indicia thereon [36.87%]
Patent:US2764822 02.10.1956 Morris Gurevitch Nina Gurevitch : Calculating appliance [7.02%]
Patent:US2844890 29.07.1958 G. A. Oliver et al : Mathematics Teaching Aid [10.47%]
Patent:US2857686 28.10.1958 S. Blake : Abacus [31.02%]
Patent:US2872742 10.02.1959 A. F. Scott : Abacus with Magnetic Means for holding Unit Counters in Position [30.61%]
Patent:US2887269 19.05.1959 Siegfried Reisch Olivetti and Co Spa : Electric pulse counting and calculating apparatus [10.56%]
Patent:US2991008 04.07.1961 M. M. Goldberg : Computer Operating Means [22.33%]
Patent:US3003256 10.10.1961 Allen L. Bernstein : Fraction-abacus [49.23%]
Patent:US3076272 05.02.1963 A. F. Schott : Abacus [24.28%]
Patent:US3092917 11.06.1963 H. I. Podell : Abacus [31.51%]
Patent:US3151404 06.10.1964 Andrew F. Schott : Abacus [49.78%]
Patent:US3283420 08.11.1966 Schott, Andrew (P) : Calculator [19.65%]
Patent:US3387392 11.06.1968 D. A. Kurz : Abacus with Mechanical Means for Holding Unit Counters in Position [47.41%]
Patent:US3446433 27.05.1969 Tibbetts, Ernest (P) Burroughs (P) : Pushbutton Calculator [20.65%]
Patent:US345445 13.07.1886 C. Pelletier : Ball Calculator [30.34%]
Patent:US3455034 15.07.1969 A. F. Schott : Mathematics Teaching Tool [31.71%]
Patent:US3508348 28.04.1970 Kogane Harada : Magnetic Soroban [20.23%]
Patent:US352218 09.11.1886 G. W. Bolton & C. H. Tillmeyer : Abacus [42.29%]
Patent:US3688418 05.09.1972 Henry Allen Wilson : Manual Computing Device [35.84%]
Patent:US3731401 08.05.1973 Tsuneji Kojima : Abacus Instruction Device [19.10%]
Patent:US378866 06.03.1888 E. P. Clark & D. L. Wren : Abacus [17.78%]
Patent:US422612 04.03.1890 C. Neuhaus : Abacus [50.33%]
Patent:US4629429 16.12.1986 Horie, Tsuyoshi (7-15, Iwamoto-cho 3-chome,, Chiyoda-ku, : Abacus with each counter held in position by friction or magnetic attraction [53.35%]
Patent:US4812124 14.03.1989 Colodner, Jesse (P) : Hexadecimal abacus [37.21%]
Patent:US501379 11.07.1893 H. Steward : Abacus Attachment for Slates [49.23%]
Patent:US5134692 28.07.1992 Hiromori, Junji (P) Hiromori (P) Inv. : Combined electronic calculator and abacus with deflective guide bars [43.25%]
Patent:US532282 08.01.1895 L. D. Myers : Abacus [50.33%]
Patent:US5395245 07.03.1995 Heinz, Ted (33694 Colgate Dr., Union City, CA 94587) : Elastic pattern abacus and tool for changing arrangement of abacus beads [17.09%]
Patent:US5423682 13.06.1995 Hildebrandt, Raymond E. (7213 Huntcliff, West Bloomfield, : Numbering system teaching aid [11.34%]
Patent:US5725380 10.03.1998 Kennelly, Kim (140 Ingrid Pl., Oldsmar, FL 34677) : Combination writing board and abacus [34.74%]
Patent:US580516 13.04.1897 B. S. Andrew : Abacus [30.08%]
Patent:US637964 28.11.1899 J. P. Johnsen : Abacus [20.51%]
Patent:US6413099 02.07.2002 Rainey, John Desmond (P.O. Box 40-288, Glenfield, Auckland, : Educational device for teaching simple and complex mathematical concepts [11.09%]
Patent:US6712614 30.03.2004 Henderson, Gerald (P) : Abacus calculator [50.67%]
Patent:US826732 24.07.1906 A. Monachimoff : Abacus [8.34%]
Patent:US964064 12.07.1910 R. F. Smith : Educational Appliance [7.26%]
Patent:USD149083 23.03.1948 C. Mooney : Abacus [75.97%]
Patent:USD155127 13.09.1949 W. P. Colvin : Abacus-Like Toy [25.48%]
Patent:USD181754 17.12.1957 A. F. Scott : Abacus [49.29%]
Patent:USD184042 09.12.1958 A. G. Dochterman and E. R. Dochterman : Abacus [66.18%]
Patent:USD185221 19.05.1959 J. A. McFadden : Combined Lamp Base and Abacus [65.99%]
Patent:USD198847 11.08.1964 T. L. Mathison : Abacus or the like [50.33%]
Patent:USD203176 14.12.1965 G. E. Kardach : Abacus [47.86%]
Patent:USD215004 19.08.1969 K. Ootu : Abacus [73.92%]
Patent:USD217911 24.02.1969 Herold, Willy (P) : Abacus [70.62%]
Patent:USD9303 23.05.1876 G. M. Kendall : Abacus [37.14%]

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Suchergebnisse für: ABACUS