Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6475266 | Exhaust gas recovery method and apparatus | Kenji Hayashi, Junichi Nagata | 2002-11-05 |
| 5961727 | Sealing apparatus for vacuum treatment of support for light-sensitive material | Osamu Nagayama, Takashi Nawano, Hisashi Tsubata, Tadashi Aiba | 1999-10-05 |
| 5865932 | Sealing method and apparatus for vacuum treatment of support for light-sensitive material | Osamu Nagayama, Takashi Nawano, Hisashi Tsubata, Tadashi Aiba | 1999-02-02 |
| 5300244 | Method of preparing magnetic coating composition | Chiaki Mizuno, Masatoshi Kiyama, Takao Komi, Hiroshi Ogawa, Masaaki Fujiyama | 1994-04-05 |
| 5158802 | Process for producing a magnetic recording material | Makoto Yoshimura, Keiji Tanaka | 1992-10-27 |
| 4946615 | Method of preparing kneaded mixture for magnetic coating material | Chiaki Mizuno, Masatoshi Kiyama, Takao Komi, Hiroshi Ogawa | 1990-08-07 |
| 4911951 | Method for manufacturing magnetic recording medium | Hiroshi Ogawa, Shinji Saito, Makoto Yoshimura | 1990-03-27 |
| 4511484 | Process for preparing magnetic coating composition | Masashi Anonuma, Yasuo Tamai, Tsunehiko Sato, Hiroshi Ogawa | 1985-04-16 |
| 4503120 | Magnetic recording medium | Koichi Yamauchi, Nobuo Tsuji, Yasuyuki Yamada, Masatoshi Kiyama | 1985-03-05 |