Issued Patents All Time
Showing 26–39 of 39 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5665651 | Process for encapsulating a semiconductor device and lead frame | Masahiko Hori, Shinji Takei | 1997-09-09 |
| 5495462 | Light beam splitting apparatus | Seiji Nishiwaki, Tetsuo Kitagawa, Kiyoko Ooshima | 1996-02-27 |
| 5493151 | Semiconductor device, lead frame and method for manufacturing semiconductor devices | Masahiko Hori, Shinji Takei | 1996-02-20 |
| 5343038 | Scanning laser microscope with photo coupling and detecting unit | Seiji Nishiwaki, Shinji Uchida | 1994-08-30 |
| 5313450 | Optical disk drive | Seiji Nishiwaki, Shinji Uchida | 1994-05-17 |
| 5307184 | Exposure apparatus | Seiji Nishiwaki, Shinji Uchida | 1994-04-26 |
| 5200939 | Optical head apparatus including a waveguide layer with concentric or spiral periodic structure | Seiji Nishiwaki, Yoshinao Taketomi, Shinji Uchida, Takaaki Tomita | 1993-04-06 |
| 5193130 | Light deflecting device | Seiji Nishiwaki, Yoshinao Taketomi, Shinji Uchida, Takaaki Tomita | 1993-03-09 |
| 5181265 | Optical coupling apparatus for introducing and coupling an incident light into a wave guide | Seiji Nishiwaki, Shinji Uchida | 1993-01-19 |
| 5162895 | Lead frame for semiconductor device that prevents island torsion | Kenji Takahashi, Kazunori Hayashi | 1992-11-10 |
| 5159650 | Optical disk apparatus for recording and reproducing ultra-high density signals | Seiji Nishiwaki, Shinji Uchida | 1992-10-27 |
| 5142394 | Twisted nematic polarizing element with a concentric circle orientation surface and optical head device incorporating the same | Seiji Nishiwaki, Shinji Uchida | 1992-08-25 |
| 5091341 | Method of sealing semiconductor device with resin by pressing a lead frame to a heat sink using an upper mold pressure member | Kenji Takahashi, Toshiharu Sakurai | 1992-02-25 |
| 4989954 | Projection type liquid cyrstal display device | Kazuo Yokoyama, Hiroshi Watanabe, Shoichi Ishihara, Sadayoshi Hotta, Fumiko Yokotani +1 more | 1991-02-05 |