Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4857987 | Semiconductor device | Kazuyuki Kamegaki, Kouichi Yamazaki, Hideo Miyazaki, Yukinori Kitamura, Shirou Mayuzumi | 1989-08-15 |
| 4804940 | Resistor and electron device employing the same | Akira Takigawa, Shizuo Kondo, Masumi Kasahara, Toshinori Hirashima, Mikio Haijima +2 more | 1989-02-14 |