Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5346522 | Method and apparatus for molding optical glass elements or the like | Yoshizo Komiyama, Fumio Arai, Yutaka Hasegawa, Tetsuya Tanioka, Yoshiyasu Toyama +1 more | 1994-09-13 |
| 5315573 | Non-linear optical saturable absorber layer in an optical disk to discriminate wavelength above or below a threshold level of intensity | Takeshi Nakao, Akira Arimoto, Kensuke Ogawa, Hirofumi Sukeda | 1994-05-24 |
| 5281797 | Short wavelength optical disk head having a changeable aperture | Kimio Tatsuno, Shigeru Nakamura, Masahiko Takahashi | 1994-01-25 |