Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4943507 | Toner for developing electrostatic latent image and method for developing electrostatic latent image with the same | Jiro Takahashi, Hiroyuki Takagiwa, Kunio Shigeta, Hiroya Masaki | 1990-07-24 |
| 4725521 | Carrier for developing electrostatic image | Kunio Shigeta, Jiro Takahashi, Hiroyuki Nomori | 1988-02-16 |