Issued Patents All Time
Showing 151–175 of 196 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5164442 | Rubber composition | Kunio Itoh, Motoo Fukushima, Hiroyuki Ohata, Harukazu Okuda | 1992-11-17 |
| 5145616 | Process for the preparation of pitch-based carbon fiber | Jiro Sadanobu, Akihiro Ohba | 1992-09-08 |
| 5144665 | Cryptographic communication method and system | Kazuo Takaragi, Yasuhiro Ishii | 1992-09-01 |
| 5117458 | Secret information service system and method | Kazuo Takaragi, Ryoichi Sasaki, Minoru Koizumi, Yasuko Fukuzawa, Kenji Kataoka | 1992-05-26 |
| 5059648 | Rubber composition | Motoo Fukushima, Hiroyuki Ohata, Harukazu Okuda | 1991-10-22 |
| 5058091 | Optical pickup device | Yugo Murao, Masao Nakamura | 1991-10-15 |
| 5047292 | Pitch-based carbon fiber and process for preparation thereof | Jiro Sadanobu, Akihiro Ohba | 1991-09-10 |
| 5039725 | Rubber composition | Takeshi Fukuda | 1991-08-13 |
| 5020394 | Polycrystal diamond fluted tool and a process for the production of the same | Tetsuo Nakai | 1991-06-04 |
| 4984996 | Printed circuit board edge connector | Tetsuya Watanabe, Yoshio Sato, Naoki Kumagai, Takashi Kamono | 1991-01-15 |
| 4981899 | Rubber composition | Takeshi Fukuda | 1991-01-01 |
| 4977200 | Ethylene-propylene organopolysiloxane rubber composition | Kunio Itoh, Takeshi Fukuda | 1990-12-11 |
| 4920529 | Network control method and apparatus therefor | Ryoichi Sasaki, Michio Suzuki, Kohsuke Shinnai, Nobuhiko Ido, Tomoaki Tsunoda | 1990-04-24 |
| 4878120 | Solid state image sensor including static induction transistor with gate surrounding source and/or drain | Kazuya Matsumoto | 1989-10-31 |
| 4878129 | Method for reproduction of stored video signals with disk reproducing apparatus | Shigeru Yasuda, Kenichiro Yasukawa, Kenitiro Asami | 1989-10-31 |
| 4876344 | Novel organosilicon compounds | Kunio Itoh, Motoo Fukushima | 1989-10-24 |
| 4857981 | Semiconductor imaging device | Kazuya Matsumoto | 1989-08-15 |
| 4840762 | Process for preparation of high-performance grade carbon fibers | Toru Sawaki, Hideharu Sasaki, Jiro Sadanobu | 1989-06-20 |
| 4819071 | Solid state imaging apparatus | — | 1989-04-04 |
| 4761452 | Oil-resistant rubber composition | Kunio Itoh, Motoo Fukushima | 1988-08-02 |
| 4746984 | Solid state image sensor with lateral-type stactic induction transistors | Kazuya Matsumoto | 1988-05-24 |
| 4731406 | Flame-retardant low-smoking rubber composition | Kunio Itoh, Ken-ichi Takita | 1988-03-15 |
| 4726027 | Data retransmitting method in communication network | Shoji Miyamoto | 1988-02-16 |
| 4722975 | Crosslinkable copolymer composition and a method for the preparation thereof | Kunio Itoh, Yasuo Tarumi, Hiroyuki Ohata, Tsutomu Matsuo, Harukazu Okuda | 1988-02-02 |
| 4684992 | Solid state image sensor having means to reset and clear static induction transistor photoelements | Kazuya Matsumoto | 1987-08-04 |