Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4844082 | Ultrasonic examination apparatus | Hiroshi Fukukita, Shinichiro Ueno, Tsutomu Yano | 1989-07-04 |
| 4796134 | Magnetic head with improved supporter for perpendicular magnetization recording | Yoshio Watanabe, Yasuhiko Nakayama, Hiroshi Miyama | 1989-01-03 |