Issued Patents All Time
Showing 51–75 of 108 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D309624 | Electronic calculator | Takahisa Yubisui, Mieko Harada | 1990-07-31 |
| D309626 | Electronic calculator | Keiichi Koyama | 1990-07-31 |
| D309470 | Electronic calculator with printer | Tadahiko Saimen | 1990-07-24 |
| D309152 | Electronic calculator with printer | Yoko Ikuzawa | 1990-07-10 |
| D308883 | Electronic calculator with memorandum function | Tadahiko Saimen | 1990-06-26 |
| D308692 | Electronic calculator | Masaki Kawamura | 1990-06-19 |
| D308693 | Electronic calculator with solar cell | Katsuhiro Iida | 1990-06-19 |
| D308532 | Electronic calculator with printer | Masaki Kawamura | 1990-06-12 |
| D308533 | Electronic calculator with printer | Masaki Kawamura | 1990-06-12 |
| D308391 | Electronic calculator | Katsuhiro Iida | 1990-06-05 |
| D307889 | Computer | Toshiya Takahashi | 1990-05-15 |
| D307595 | Electronic calculator | Takahisa Yubisui, Mieko Harada | 1990-05-01 |
| D307289 | Electronic calculator with printer | Masaki Kawamura | 1990-04-17 |
| D307292 | Electronic calculator | Tadahiko Saimen | 1990-04-17 |
| D307157 | Printer | Tadahiko Saimen | 1990-04-10 |
| D306176 | Combined calculator and cradle therefor | Takahisa Yubisui, Masaki Kawamura | 1990-02-20 |
| D305906 | Electronic calculator with radio | Yubisui Takahisa, Tadahiko Saimen | 1990-02-06 |
| D305668 | Electronic calculator with printer | Masaki Kawamura | 1990-01-23 |
| D305539 | Reader for hand copying machine | Tadahiko Saimen | 1990-01-16 |
| D305535 | Electronic memorandum input/output terminal | Tadahiko Saimen | 1990-01-16 |
| D304718 | Input/output device for electronic memo | Masaki Kawamura | 1989-11-21 |
| D304175 | Input/output terminal | Masaki Kawamura | 1989-10-24 |
| D303980 | Electronic calculator | Takahisa Yubisui, Toshiya Takahashi | 1989-10-10 |
| D303807 | Electronic calculator with memo | Takahisa Yubisui, Toshiya Takahashi | 1989-10-03 |
| D303679 | Electronic calculator | Katsuhiro Iida, Toshiya Takahashi | 1989-09-26 |