Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4883975 | Schmitt trigger circuit | Hiromu Enomoto, Hirofumi Dohgome, Toru Nakamura, Kimitaka Yoshiyama | 1989-11-28 |
| 4835642 | Magnetic head assembly for double-sided disk drive apparatus | Masatoshi Furukawa, Tadami Sugawara, Hatsuo Sasaki, Yuichi Hishi, Atsushi Takahashi | 1989-05-30 |