Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9139710 | Aliphatic polyester resin compositions, molded articles of aliphatic polyester resin and method of producing same | Mamoru Yasui, Takeshi Kanamori, Yasumasa Horibe, Hisashi Okuyama | 2015-09-22 |
| 7160936 | Method of producing ultraviolet radiation absorbent | Tetsuo Ichihashi | 2007-01-09 |
| 7057037 | Ultraviolet radiation absorbents for thermoplastic polymers and methods of producing same | Tetsuo Ichihashi | 2006-06-06 |
| 6977129 | Charge control agent, toner using same developer containing the toner and developing device containing the developer | Takuya Saito, Masanori Suzuki, Yohichiroh Watanabe, Keiko Shiraishi, Toyoshi Sawada +2 more | 2005-12-20 |
| 6908998 | Method of producing ultraviolet radiation absorbent | Tetsuo Ichihashi | 2005-06-21 |
| 6830859 | Charge control agent and toner using same | Keiko Shiraishi, Masanori Suzuki, Yohichiroh Watanabe, Toyoshi Sawada, Takuya Saito +2 more | 2004-12-14 |
| 6809133 | Ultraviolet radiation absorbent compositions for thermoplastic polymers | Tetsuo Ichihashi | 2004-10-26 |