Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6820681 | Heating regeneration type organic rotor member and method for producing the same | Takehiko Ajima | 2004-11-23 |
| 5670247 | Photoreactive noxious substance purging agent and photoreactive noxious substance purging material using the agent | Kazuchiyo Takaoka, Kenji Hyodo, Isao Ebihara, Yasuyuki Oku | 1997-09-23 |