Issued Patents 1989
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4848862 | Laser beam scanner | Kozo Yamazaki, Toshiyuki Ichikawa, Takefumi Inagaki, Hirokazu Aritake, Fumio Yamagishi | 1989-07-18 |
| 4832464 | Optical system with grating lens assembly for correcting wavelength aberrations | Masayuki Kato, Satoshi Maeda, Fumio Yamagishi, Takefumi Inagaki | 1989-05-23 |
| 4824191 | Optical pickup | Masayuki Kato, Fumio Yamagishi, Shin Hasegawa, Takefumi Inagaki | 1989-04-25 |
| 4810046 | Light beam scanning apparatus | Fumio Yamagishi, Shinya Hasegawa, Takefumi Inagaki | 1989-03-07 |
| 4803026 | Process for preparation of acrylic resin sheets having excellent moldability and solvent resistance | Yukihiro Matsumoto, Koyu Nishimura | 1989-02-07 |