Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8063690 | Level shift circuit | Taichiro Kawai | 2011-11-22 |
| 8058923 | Charge pump circuit and slice level control circuit | Taichiro Kawai | 2011-11-15 |
| 5340341 | Power assisting mechanism for marine propulsion unit | — | 1994-08-23 |
| 5250939 | Drive apparatus for optical element array | Itsuo Takanashi, Shintaro Nakagaki, Ichiro Negishi, Tetsuji Suzuki, Fujiko Tatsumi +2 more | 1993-10-05 |
| 5166739 | Sheet discharging device for image forming equipment | Masanori Katsuki, Misao Tanzawa, Takeshi Iijima | 1992-11-24 |
| 5105284 | Digital copier operable with external storing medium | Seiji Sakata, Tamotsu Harada, Norifumi Ito, Masayuki Hayashi, Nobuyuki Koinuma | 1992-04-14 |
| 5016114 | Digital copier apparatus with external laser card storage medium and image compression variable with available memory | Seiji Sakata, Tamotsu Harada, Norifumi Ito, Masayuki Hayashi, Nobuyuki Koinuma | 1991-05-14 |
| 4996561 | Image forming apparatus with a document image edition function | Takeshi Yamakawa | 1991-02-26 |
| 4991546 | Cooling device for boat engine | — | 1991-02-12 |
| 4987497 | Image editing method for a digital copier | — | 1991-01-22 |
| 4955837 | Cooling water feed structure for inboard/outboard engine | — | 1990-09-11 |
| 4953036 | Digital copier having switchable pixel densities | — | 1990-08-28 |
| 4938723 | Fabricated elastic coupling for use in inboard/outboard engine | Shiegeki Shiozawa | 1990-07-03 |
| 4927390 | Gas exhaustion device for inboard/outboard engine | Noboru Kudoh, Itsushi Hirukawa, Satoshi Aoki, Shigeki Shiozawa | 1990-05-22 |
| 4924724 | Shift assisting device | — | 1990-05-15 |
| 4831822 | Exhaust system for marine engine | — | 1989-05-23 |
| 4796963 | Scanning apparatus using a rotary polygon mirror | — | 1989-01-10 |
| 4740844 | Method of changing magnification of image | — | 1988-04-26 |
| 4717965 | Portable image forming device | Harumitsu Mashiko, Yoshihiro Sakai, Syoji Hayashi, Yoshihiro Ogata, Hisashi Kuroda +1 more | 1988-01-05 |
| 4685795 | Document scanning apparatus | — | 1987-08-11 |