Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6490984 | Method of making flue gas harmless | Masafumi Moriya, Takashi Ogawa, Kazuhiro Terada | 2002-12-10 |
| 6137027 | Solid waste treatment agent and treatment method of solid waste | Takashi Ogawa, Kazuhiro Terada, Hiroyuki Okayama, Katsushi Sugiyama, Kazuo Hosoda +1 more | 2000-10-24 |
| 5868821 | Thermally reversible color forming composition and thermally reversible recording medium using the thermally reversible color forming composition | Masafumi Torii, Shoji Maruyama, Fumio Kawamura, Hiromi Furuya, Kyoji Tsutsui +6 more | 1999-02-09 |