Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8062819 | Magenta toner for developing electrostatic image | Mikio Kouyama, Kenji Hayashi, Hiroaki Obata, Natsuko Kusaka | 2011-11-22 |
| 8053153 | Toner for developing electrostatic latent image | Mikio Kouyama, Kenji Hayashi, Tomoko Sakimura, Hiroaki Obata, Natsuko Kusaka | 2011-11-08 |
| 8034520 | Magenta toner for developing electrostatic image | Kenji Hayashi, Mikio Kouyama, Hiroaki Obata, Natsuko Kusaka | 2011-10-11 |