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Patent
Suchergebnisse für: SOROBAN
| Land | Datum | Relevanz |
- Patent:JP2001175159 29.06.2001 Kono Takeshi Tomoe (P) Soroban Co Ltd : Abacus Type Mental Calculation Training Implement [67.77%]
- Patent:JP2002229436 14.08.2002 Suwa Masao Azul Web.Com Kk : Network System For Soroban (Japanese Abacus) [115.31%]
- Patent:JP2127712 16.05.1990 Ooe Chizuko NEC (P) Corp : Soroban [97.19%]
- Patent:JP2159663 19.06.1990 Yoshinobu Sakuma : Digital Soroban (Abacus) [71.37%]
- Patent:JP5313564 26.11.1993 Sato Atsuhiko : Soroban Finger Trainer [72.93%]
- Patent:JP55087222 01.07.1980 Katano Haruyuki : Japanese Abacus [71.37%]
- Patent:JP57036324 27.02.1982 Wakatsuki Shinji : Soroban Japanese Abacus [71.37%]
- Patent:JP57073431 08.05.1982 Wakatsuki Shinji : Recalculating Device Of Soroban (Japanese Abacus) [69.89%]
- Patent:JP61183724 16.08.1986 Wakatsuki Shinji Kiko Soroban Kk : Cancelling Device Of Soroban [96.42%]
- Patent:US3508348 28.04.1970 Kogane Harada : Magnetic Soroban [53.87%]
- Patent:US3688418 05.09.1972 Henry Allen Wilson : Manual Computing Device [34.84%]