Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6163409 | Optical head, optical component for use therein, method of manufacturing the same, and optical disk apparatus | Mineharu Uchiyama, Kazushige Mori, Yoshiharu Imaoka | 2000-12-19 |
| 6154433 | Light beam shaping device to change an anisotropic beam to an isotropic beam for reducing the size of an optical head | Shoko Wachi, Yoshinori Honguh, Masahiko Tanaka | 2000-11-28 |
| D434355 | Radiator grill for a vehicle | Mitsunori Morita | 2000-11-28 |
| 5930214 | Recording/reproducing optical head apparatus compatible with different optical media | Akihiro Kasahara, Hisashi Yamada | 1999-07-27 |
| 5740138 | Apparatus for recording information on a primary optical disk to manufacture optical disks | Toyoki Taguchi, Masaaki Matsumaru, Masahiko Tanaka | 1998-04-14 |
| 5729510 | Optical head used for recording on optical recording medium having various thicknesses, warpage and the like | Akihiro Kasahara, Hisashi Yamada | 1998-03-17 |
| 5615200 | Light beam shaping device to change an anisotropic beam to an isotropic beam for reducing the size of an optical head | Shoko Wachi, Yoshinori Honguh, Masahiko Tanaka | 1997-03-25 |
| 5475210 | Noise reduction system for optical record and reproduction apparatus using auto-power controlled semiconductor laser device | Toyoki Taguchi, Toshihiro Sugaya, Hisashi Yamada, Kei Shimura, Masahiko Tanaka +4 more | 1995-12-12 |
| 5293372 | Apparatus for optically recording and reproducing information from an optical recording medium | Takashi Yoshizawa, Takayuki Asano | 1994-03-08 |
| 5243585 | Optical head including focusing error detecting system | Yoshinori Honguh | 1993-09-07 |
| 5233587 | Rotary-type optical head | Takayuki Asano | 1993-08-03 |
| 5161139 | Focusing error detecting apparatus | Akino Inoue | 1992-11-03 |
| 4530018 | Information recording/reproducing apparatus with disk having sections of different angular velocity | Teruo Murakami | 1985-07-16 |
| 4512006 | Optical type information read/write apparatus | Teruo Murakami | 1985-04-16 |