Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6399668 | Water absorbent resin | Koji Miyake, Nobuyuki Harada | 2002-06-04 |
| 5830543 | Gelling material for aqueous fluids | Koji Miyake, Nobuyuki Harada | 1998-11-03 |
| 4283580 | Process for the production of alkylene glycols | Minoru Saotome, Toshihiko Kumazawa | 1981-08-11 |
| 4277632 | Process for the production of alkylene glycols | Toshihiko Kumazawa, Takeshi Yamamoto | 1981-07-07 |