Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5360691 | Carrier for developing electrostatic latent images, developer, and electrophotographic developing process | Katsuo Koizumi, Shigenori Otsuka, Syuuichi Maeda, Hiromi Horiuchi, Hirofumi Oda | 1994-11-01 |
| 5200288 | Electrostatic developing toner with hydroxyaromatic carboxylic acid additive | Osamu Ando, Masako Takeuchi, Hitoshi Ono, Shigenori Hayakawa | 1993-04-06 |