Issued Patents All Time
Showing 1–25 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7057948 | Semiconductor integrated circuit device having a test function | Tetsuya Yamamoto | 2006-06-06 |
| RE37719 | Optical data recording system and method of production of recording medium | Toshinori Sugiyama, Tetsurou Ikegaki, Yoshitane Tuburaya | 2002-05-28 |
| 6356712 | Instant camera with improved processing liquid spreading device | Katsumi Motomura, Katsuyoshi Asakura, Kiichiro Kitakawa | 2002-03-12 |
| 6104233 | Substrate structure of semi-conductor device | Syuso Fujii, Kiyofumi Sakurai | 2000-08-15 |
| 6097622 | Ferroelectric memory used for the RFID system, method for driving the same, semiconductor chip and ID card | Hiroyuki Takenaka, Sumio Tanaka | 2000-08-01 |
| 6074196 | Fresnel lens manufacturing apparatus | Yoshihiro Fujita | 2000-06-13 |
| 6046926 | Ferroelectric memory and screening method therefor | Sumio Tanaka, Hiroyuki Takenaka | 2000-04-04 |
| 5949109 | Semiconductor device having input protection circuit | Syuso Fujii, Kenji Numata, Masaharu Wada | 1999-09-07 |
| 5943256 | Nonvolatile ferroelectric memory | Sumio Tanaka | 1999-08-24 |
| RE36236 | Semiconductor memory device | Syuso Fujii | 1999-06-29 |
| 5892706 | Fram, fram card, and card system using the same | Sumio Tanaka | 1999-04-06 |
| 5840352 | Fresnel lens manufacturing apparatus | Yoshihiro Fujita | 1998-11-24 |
| 5798964 | FRAM, FRAM card, and card system using the same | Sumio Tanaka | 1998-08-25 |
| 5794077 | Instant camera | Ko Aosaki, Michio Cho | 1998-08-11 |
| 5608477 | Instant camera | Ko Aosaki, Michio Cho | 1997-03-04 |
| 5594265 | Input protection circuit formed in a semiconductor substrate | Syuso Fujii, Kenji Numata, Masaharu Wada | 1997-01-14 |
| 5511027 | Semiconductor memory apparatus having a plurality of word line drive circuits | — | 1996-04-23 |
| 5491526 | Instant camera and manufacturing method of the same | — | 1996-02-13 |
| 5293334 | Pattern layout of power source lines in semiconductor memory device | — | 1994-03-08 |
| 5142492 | Semiconductor memory device | Syuso Fujii | 1992-08-25 |
| 5119337 | Semiconductor memory device having burn-in test function | Syuso Fujii, Shozo Saito | 1992-06-02 |
| 5073243 | Method for producing an optical recording medium | Akira Gotoh, Yukinobu Yamazaki, Naoyuki Kikuchi, Shinkichi Horigome, Motoyasu Terao +3 more | 1991-12-17 |
| 5072271 | Protection circuit for use in semiconductor integrated circuit device | Yoshio Okada, Kiyofumi Sakurai | 1991-12-10 |
| 5066997 | Semiconductor device | Kiyofumi Sakurai, Syuso Fujii | 1991-11-19 |
| 4994874 | Input protection circuit for semiconductor integrated circuit device | Yoshio Okada, Syuso Fujii, Shozo Saito | 1991-02-19 |