Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6162560 | Layer-built chemical cell device | Takashi Yamada, Taishi Tsuji, Fumio Matsui | 2000-12-19 |
| 5635312 | Layer-built chemical cell device | Takashi Yamada, Taishi Tsuji, Fumio Matsui | 1997-06-03 |
| 5478623 | Optical recording medium and method of manufacturing the same | Shingo Iwasaki, Taishi Tsuji, Takashi Chuman, Satoru Tanaka, Fumio Matsui | 1995-12-26 |
| 5424171 | Optical recording medium | Satoru Tanaka, Fumio Matsui | 1995-06-13 |
| 5414691 | Optical disk, method of manufacturing the same and method of recording the same | Kunihiko Shimada, Satoru Tanaka | 1995-05-09 |
| 5391413 | Optical recording medium | Tatsuro Sakai, Satoru Tanaka, Takashi Chuman, Yasushi Araki, Fumio Matsui | 1995-02-21 |
| 5386411 | Recordable optical disk and method of manufacturing the same | Satoru Tanaka, Fumio Matsui | 1995-01-31 |
| 5336584 | Optical recording medium | Tatsuro Sakai, Takashi Chuman, Yasushi Araki, Fumio Matsui | 1994-08-09 |
| 5328802 | Optical recording medium | Tatsuro Sakai, Takashi Chuman, Yasushi Araki, Fumio Matsui | 1994-07-12 |
| 5328741 | Optical recording medium | Tatsuro Sakai, Satoru Tanaka, Takashi Chuman, Yasushi Araki, Fumio Matsui | 1994-07-12 |
| 5326679 | Recording medium | Atsushi Yoshizawa, Tatsuro Sakai, Satoru Tanaka, Makoto Okano, Takashi Chuman +3 more | 1994-07-05 |
| 5295126 | Information recording apparatus for recordable optical disc | Makoto Okano | 1994-03-15 |
| 5238723 | Optical recording medium | Atsushi Yoshizawa, Takashi Chuman, Yasushi Araki, Fumio Matsui | 1993-08-24 |
| 5204220 | Optical recording medium | Tatsuro Sakai, Takashi Chuman, Yasushi Araki, Fumio Matsui | 1993-04-20 |
| 5204153 | Write once read many type optical disc | Fumio Matsui, Makoto Okano, Tatsuro Sakai, Satoru Tanaka | 1993-04-20 |
| 5155009 | Optical recording medium | Tatsuro Sakai, Fumio Mitsui, Tsuneki Okazaki, Ayashi Noguchi | 1992-10-13 |
| 5155008 | Optical recording medium | Tatsuro Sakai, Fumio Matsui, Tsuneki Okazaki, Akira Shimpo | 1992-10-13 |
| 5151310 | Information recording medium | Tatsuro Sakai, Yasushi Murata, Fumio Matsui, Yasuo Mitoh | 1992-09-29 |
| 4937809 | Optical information recording apparatus | Toshiyuki Miyadera, Fumihiko Yokogawa | 1990-06-26 |
| 4639745 | Optical recording medium | Fumio Matsui, Yoshiyuki Kakuta, Atsushi Yoshizawa | 1987-01-27 |