Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889817 | Method of manufacturing schottky gate field transistor by ion implantation method | Hiroshi Nakamura, Masanori Tsunotani | 1989-12-26 |
| 4818601 | Rubber-cord composite bodies | Michio Itoh, Nobuyuki Okamura, Hisao Yamamoto, Yutaka Iseda, Hirohiko Takagi | 1989-04-04 |