Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4855995 | Method and system for data transmission | Kunio Hiyama, Kenji Kawakita | 1989-08-08 |
| 4804940 | Resistor and electron device employing the same | Akira Takigawa, Shizuo Kondo, Masumi Kasahara, Toshinori Hirashima, Mikio Haijima +2 more | 1989-02-14 |