Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8802273 | Microporous polyethylene membrane, its production method, and battery separator | Kotaro Takita, Shintaro Kikuchi, Kazuhiro Yamada, Koichi Kono | 2014-08-12 |
| 5854161 | Process for the regeneration of a catalyst | Tatsumi Ichiki, Nagato Hamashima, Masayuki Asami, Sadakatsu Suzuki, Hiroshi Ueno | 1998-12-29 |
| 4691070 | Catalyst, its method of preparation and process for its use in the hydrogenation of diolefins | Eiichiro Nishikawa, Takeo Koyama | 1987-09-01 |