Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5829066 | Deodorizing apparatus and a toilet provided with the apparatus | — | 1998-11-03 |
| 5403548 | Activated carbon adsorbent and applications thereof | Kazuo Shibata | 1995-04-04 |
| 5288306 | Activated carbon honeycombs and applications thereof | Kazuo Shibata | 1994-02-22 |
| 4594231 | Method for removal of poisonous gases | Hiroshi Nishino | 1986-06-10 |
| 4578256 | Process for removal of poisonous gases | Hiroshi Nishino | 1986-03-25 |
| 4556547 | Process for treatment of gases | Hiroshi Nishino, Katsuya Noguchi | 1985-12-03 |
| 4532115 | Method for removal of poisonous gases | Hiroshi Nishino | 1985-07-30 |
| 4500327 | Process for removal of mercury vapor and adsorbent therefor | Hiroshi Nishino, Katsuya Noguchi | 1985-02-19 |
| 4427630 | Gas deodorization method | Yoshio Tsutsumi, Katsuya Noguchi | 1984-01-24 |
| 4256728 | Deodorization method | Hiroshi Nishino, Fumiichi Ogino | 1981-03-17 |
| 4212852 | Method of deodorizing gas containing hydrogen sulfide and ammonia and/or amines | Kiyoshi Itoga | 1980-07-15 |
| 4210628 | Removal of nitrogen oxides | Nobutaka Ninomiya, Hiroshi Nishino, Kiyoshi Itoga | 1980-07-01 |