Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6514576 | Method of manufacturing a diffraction grating | Kenji Kintaka, Junji Nishii | 2003-02-04 |
| 5667888 | Color filters and methods of manufacturing the same | Akihiko Yoshida, Masaki Ikeda, Kunio Kimura, Atsushi Nishino, Hiroyuki Nakazumi +1 more | 1997-09-16 |
| 4810547 | Substrate with fine grooves and method for manufacturing the same | Tsutomu Minami, Shinya Katayama, Yoshihiro Matsuno | 1989-03-07 |