Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8451540 | Retardation film | Kenji Kato, Katsushige Hayashi, Noriyuki Kato, Haruaki Eto | 2013-05-28 |
| 6596192 | Oxygen absorbent composition absorbing water vapor | Tomoharu Himeshima, Nahomi Aoyama, Kazuyuki Tomita, Junko Baba | 2003-07-22 |
| 4963232 | Process for producing a purified hydrazine hydrate | Yasuhisa Kuriyama, Shuuzabu Sakaguchi, Toshiaki Kohzaki | 1990-10-16 |