Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE38305 | LCD device including an illumination device having a polarized light separating sheet between a light guide and the display | Tomoki Gunjima, Masao Ozeki, Hiroaki Ito, Hiroshi Hasebe, Tetsuro Matsumoto +1 more | 2003-11-11 |
| 6580674 | Phase shifter and optical head device mounted with the same | Takehiko Nishiyama, Naomitsu Umemura, Hiromasa Sato, Masahiro Murakawa, Yuzuru Tanabe | 2003-06-17 |