Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4883734 | Toner for development of electrostatic image and method of fixing employing the same | Satoru Ikeuchi, Yuki Okuyama, Hideki Yuri, Tomoo Shiohara, Yasuhiko Oyama | 1989-11-28 |
| 4882258 | Toner for development of electrostatic image and electrostatic latent image developer | Satoru Ikeuchi, Yuki Okuyama, Akitoshi Matsubara | 1989-11-21 |
| 4464279 | Magnetic recording medium | — | 1984-08-07 |