Issued Patents All Time
Showing 26–50 of 95 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6388814 | Head mounted display | — | 2002-05-14 |
| 6353491 | Optical communication module | Jun Ichihara | 2002-03-05 |
| 6338979 | Method of manufacturing organic EL device | Mitsuru Morimoto | 2002-01-15 |
| 6320322 | Light emitting appliance | — | 2001-11-20 |
| 6298079 | Gallium nitride type laser for emitting blue light | Yukio Shakuda | 2001-10-02 |
| 6274891 | Semiconductor laser | Yukio Shakuda | 2001-08-14 |
| 6226803 | Helmet | — | 2001-05-08 |
| 6121656 | Semiconductor memory device mounted with a light emitting device | Yukio Shakuda | 2000-09-19 |
| 5987651 | Mechanism for attaching a rotating plate in a helmet | — | 1999-11-23 |
| 5974069 | Semiconductor laser and manufacturing method thereof | Yukio Shakuda | 1999-10-26 |
| 5940684 | Method and equipment for manufacturing semiconductor device | Yukio Shakuda | 1999-08-17 |
| 5869675 | Lactacystin derivatives | Satoshi Omura, Toshiaki Sunazuka | 1999-02-09 |
| 5760439 | Semiconductor memory device | Yukio Shakuda | 1998-06-02 |
| 5712844 | Optical pickup | — | 1998-01-27 |
| 5694802 | Apparatus for forming snap ring groove in clutch drum | Tadaaki Inaba | 1997-12-09 |
| 5671305 | Optical branching and coupling device using an aspherical lens | Naotaro Nakata | 1997-09-23 |
| 5619521 | Semiconductor laser system | — | 1997-04-08 |
| 5615201 | Optical pickup | — | 1997-03-25 |
| 5612258 | Method of producing a semiconductor laser device | — | 1997-03-18 |
| 5537386 | Tracking and focusing servo driven by comparison of direct current signals rectified from detectors | — | 1996-07-16 |
| 5529160 | Clutch drum made of metallic plate and method of manufacturing same | Toshiki Takeda, Yoichi Kojima, Yoshihiro Kodama | 1996-06-25 |
| 5530689 | Optical pickup | — | 1996-06-25 |
| 5528407 | Transceiver module for optical communication | Naotaro Nakata, Naofumi Aoki, Kenji Okada | 1996-06-18 |
| 5528019 | High frequency induction heating method for rocker arms | Ryoei Shintani, Yoshihide Fuziwara, Shozo Kawana, Daiji Ito | 1996-06-18 |
| 5480362 | Double planetary carrier | Noriaki Takahashi, Tetsuo Suzuki | 1996-01-02 |