Issued Patents 1994
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5373437 | Device for and method of reducing cross talk in optical disk device | Tsuyoshi Itoh, Isao Okuda, Hiroshi Nishikawa, Toshiyuki Kase, Ryota Ogawa +2 more | 1994-12-13 |
| 5343332 | Apparatus for adjusting optical axis including a beam shaping prism | Masahiro Oono, Koichi Maruyama, Hitoshi Kimura, Masahiko Sasaki | 1994-08-30 |
| 5341246 | Apparatus for adjusting an optical axis including plates on opposite sides of a beam shaping prism | Masahiro Oono, Koichi Maruyama, Hitoshi Kimura, Masahiko Sasaki | 1994-08-23 |
| 5297114 | Magneto-optic recording/reproduction apparatus for minimizing variation in focusing error signals caused by variation in optical source wavelength | Tsuyoshi Itoh, Isao Okuda, Toshiyuki Kase, Hiroshi Nishikawa, Ryoto Ogawa +3 more | 1994-03-22 |
| 5280464 | Optical disk apparatus having a focusing error correcting system | Tsuyoshi Itoh, Isao Okuda, Toshiyuki Kase, Hiroshi Nishikawa, Ryota Ogawa +2 more | 1994-01-18 |