Issued Patents All Time
Showing 26–38 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6852601 | Heat treatment method that includes a low negative pressure | Seiichi Yoshida, Takashi Tanahashi, Motoki Akimoto | 2005-02-08 |
| 6685000 | Coin discrimination method and device | Masanori Sugata | 2004-02-03 |
| 6409503 | Heat treatment method and heat treatment apparatus | Seiichi Yoshida, Takashi Tanahashi, Motoki Akimoto | 2002-06-25 |
| 6208600 | Method and device for recording data in an optical memory card | Yasuyuki Kimura | 2001-03-27 |
| 6165606 | Ink jet recording paper and ink jet recording method | Kenzo Kasahara, Masaru Tsuchiya, Yoshihiro Mochizuki | 2000-12-26 |
| 5753017 | Ink jet recording ink and recording method employing the same | Hidetaka Ninomiya, Hidenobu Ohya, Daisuke Ishibashi, Tawara Komamura, Katsunori Katoh +2 more | 1998-05-19 |
| 5581527 | Information recording/reproducing apparatus for optical information recording medium using a track traverse detecting signal | Koichi Yamazaki | 1996-12-03 |
| 5477513 | Information recording/reproducing apparatus for optical information recording medium using reference levels to control track jumps | Koichi Yamazaki | 1995-12-19 |
| 5334930 | Peak detection circuit | Koichi Yamazaki | 1994-08-02 |
| 5309417 | Information recording/reproducing apparatus for optical information recording medium | Koichi Yamazaki | 1994-05-03 |
| 5283158 | Silver halide photographic light-sensitive material | Yasushi Usagawa | 1994-02-01 |
| 5279920 | Silver halide photographic light sensitive material | Yasushi Usagawa | 1994-01-18 |
| 5221593 | Silver halide photographic materials containing novel nucleating agent | Yasushi Usagawa | 1993-06-22 |