Issued Patents All Time
Showing 51–70 of 70 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5925508 | Method for producing silver halide photographic emulsion | — | 1999-07-20 |
| 5850735 | Method for purifying exhaust gas of an internal combustion engine | Tatsuji Mizuno, Toshiaki Tanaka | 1998-12-22 |
| 5851249 | Particulate trap for a diesel engine | Yoshimitu Henda, Kiyoshi Kobashi, Yoshimasa Watanabe, Youichi Nagai, Syunsuke Ban | 1998-12-22 |
| 5711149 | Device for purifying the exhaust gas of a diesel engine | — | 1998-01-27 |
| 5635268 | Optical recording medium | Takako Miyake, Shingo Iwasaki, Takashi Chuman, Satoru Tanaka, Atsushi Yoshizawa +1 more | 1997-06-03 |
| 5473887 | Exhaust purification device of internal combustion engine | Shinichi Takeshima, Kiyoshi Nakanishi, Satoshi Iguchi, Toshiaki Tanaka, Shinya Hirota +1 more | 1995-12-12 |
| 5471836 | Exhaust purification device of internal combustion engine | Shinichi Takeshima, Shinya Hirota | 1995-12-05 |
| 5437153 | Exhaust purification device of internal combustion engine | Shinichi Takeshima, Toshiaki Tanaka, Satoshi Iguchi, Shinya Hirota, Tomohiro Oda +1 more | 1995-08-01 |
| 5436113 | Information recording medium | Taishi Tsuji, Atsushi Yoshizawa, Fumio Matsui | 1995-07-25 |
| 5406790 | Exhaust gas purification device for an engine | Shinya Hirota, Kiyoshi Kobashi, Tomohiro Oda, Fumitada Murakami | 1995-04-18 |
| 5404719 | Engine exhaust gas purification device | Shinya Hirota | 1995-04-11 |
| 5391413 | Optical recording medium | Shuichi Yanagisawa, Tatsuro Sakai, Satoru Tanaka, Takashi Chuman, Fumio Matsui | 1995-02-21 |
| 5370970 | Write-once-read-many optical disk | Satoru Tanaka, Takashi Chuman | 1994-12-06 |
| 5336584 | Optical recording medium | Shuichi Yanagisawa, Tatsuro Sakai, Takashi Chuman, Fumio Matsui | 1994-08-09 |
| 5332608 | Information recording medium | Taishi Tsuji, Atsushi Yoshizawa, Fumio Matsui | 1994-07-26 |
| 5328741 | Optical recording medium | Shuichi Yanagisawa, Tatsuro Sakai, Satoru Tanaka, Takashi Chuman, Fumio Matsui | 1994-07-12 |
| 5328802 | Optical recording medium | Shuichi Yanagisawa, Tatsuro Sakai, Takashi Chuman, Fumio Matsui | 1994-07-12 |
| 5326679 | Recording medium | Shuichi Yanagisawa, Atsushi Yoshizawa, Tatsuro Sakai, Satoru Tanaka, Makoto Okano +3 more | 1994-07-05 |
| 5238723 | Optical recording medium | Atsushi Yoshizawa, Takashi Chuman, Shuichi Yanagisawa, Fumio Matsui | 1993-08-24 |
| 5204220 | Optical recording medium | Shuichi Yanagisawa, Tatsuro Sakai, Takashi Chuman, Fumio Matsui | 1993-04-20 |