Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6274690 | Preparation of vinyl chloride polymer | Shigehiro Hoshida, Genji Noguki | 2001-08-14 |
| 5051391 | Catalyst filter and method for manufacturing a catalyst filter for treating a combustion exhaust gas | Shigechika Tomisawa, Yukio Iida, Yuji Kaihara, Joji Tonomura, Kazuo Uoya +4 more | 1991-09-24 |