Issued Patents All Time
Showing 26–50 of 50 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5215798 | Optical recording medium | Hideki Hirata, Toshifumi Tanaka | 1993-06-01 |
| 5213862 | Optical recording disk | Hideki Hirata, Toshifumi Tanaka | 1993-05-25 |
| 5192682 | Manufacturing method for thin semiconductor device assemblies | Syojiro Kodai | 1993-03-09 |
| 5173840 | Molded IC card | Shojiro Kodai, Katsunori Ochi | 1992-12-22 |
| 4995029 | Optical disk identifying method, manufacture of cartridge-enclosed optical disks, and optical disk cartridges | Hideo Kobayashi, Giichi Shibuya | 1991-02-19 |
| 4907546 | Air-cooled type cooling system for engine working machine assembly | Akira Ishii, Koji Iwai, Ryoichi Ito | 1990-03-13 |
| 4899277 | Bore hole scanner with position detecting device and light polarizers | Yunosuke Iizuka, Takashi Ishii, Yoshihiro Mukawa, Kouji Nagata, Yoshitaka Matsumoto | 1990-02-06 |
| 4847640 | Dual-mode recorder system | — | 1989-07-11 |
| D301885 | Hand held electronic dialer | Keiko Takemata | 1989-06-27 |
| D298324 | Keyboard | Masaki Takahashi | 1988-11-01 |
| 4779905 | Forcedly air-cooled engine generator of vertical shaft type | Ryoichi Ito, Kenji Ueno, Tutomu Wada, Shigeru Kawabata, Kazuo Higo +1 more | 1988-10-25 |
| 4767348 | External memory pack having an opening and a slideable shutter | — | 1988-08-30 |
| D296697 | Computer | Masaki Takahashi | 1988-07-12 |
| D293904 | Power generator | Akira Ishii, Hisato Katoh, Masakazu Shiotsuki, Kenzi Ueno | 1988-01-26 |
| D291698 | Memory card for word processor | Junji Hirooka | 1987-09-01 |
| 4683519 | Connection structure | — | 1987-07-28 |
| D289418 | Desk-top electronic calculator | Eiichi Yoshioka | 1987-04-21 |
| D282853 | Desk-top electronic calculator | Eiichi Yoshioka | 1986-03-04 |
| D282373 | Electronic typewriter | Masaki Takahashi | 1986-01-28 |
| 4549835 | Docking apparatus for ships | Takehiro Ando, Shuji Miyake, Takashi Kawabata, Shigeo Hayashi, Michiyasu Otonari +1 more | 1985-10-29 |
| 4487180 | Engine with a rotary-speed control apparatus and an emergency halt apparatus | Ryoichi Ito, Masayuki Nakamura, Kazuo Higo, Kengi Ueno | 1984-12-11 |
| D269277 | Desk-top electronic calculator | Eiichi Yoshioka, Kaname Suwa | 1983-06-07 |
| D268422 | Electronic calculator | Eiichi Yoshioka | 1983-03-29 |
| D266855 | Electronic calculator with thermometer and timer | Eiichi Yoshioka | 1982-11-09 |
| 4206237 | Method of cooling beer within a fermentation tank | Yuzo Sakata | 1980-06-03 |