Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4721646 | Magnetic recording medium | Keigo Iechika, Fuzio Maeda, Yoshiki Kato, Eiichi Takasuna, Youichi Kawakubo | 1988-01-26 |
| 4353937 | Coating method | Katsuyoshi Chiba, Teruo Tsunoda, Yoshiki Kato, Mitsushi Endo, Fumihiko Sawase +1 more | 1982-10-12 |