Issued Patents All Time
Showing 76–78 of 78 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4812773 | Filter adjustment apparatus and method | Yoshihiro Yamamoto, Tsutomu Kume, Fumiharu Hashimoto, Koichi Ohya | 1989-03-14 |
| 4794933 | Ultrasonic blood stream observing apparatus | — | 1989-01-03 |
| 4722862 | Magnetic recording medium | Hiroshi Ogawa, Yasuo Tamai | 1988-02-02 |