Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8084174 | Toner | Yoshihiro Ogawa, Kouji Nishikawa, Kentarou Kamae, Takashige Kasuya | 2011-12-27 |
| 7939231 | Magnetic toner | Yoshihiro Ogawa, Shinichiro Abe, Junko Nishiyama, Takashige Kasuya | 2011-05-10 |