Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |