Issued Patents 1989
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4864246 | Mobile automatic volume control apparatus | Shinjiro Kato, Fumio Tamura | 1989-09-05 |
| D302261 | Automobile tire | — | 1989-07-18 |
| D301856 | Automobile tire | — | 1989-06-27 |
| 4832464 | Optical system with grating lens assembly for correcting wavelength aberrations | Satoshi Maeda, Fumio Yamagishi, Hiroyuki Ikeda, Takefumi Inagaki | 1989-05-23 |
| 4824191 | Optical pickup | Fumio Yamagishi, Shin Hasegawa, Hiroyuki Ikeda, Takefumi Inagaki | 1989-04-25 |