Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6444255 | Method for producing liquid crystal display and method for cleaning substrate | Naoya Hayamizu, Naoaki Sakurai, Noriko Okoshi, Toshitaka Nonaka, Hiroaki Furuya | 2002-09-03 |
| 6210748 | Method for producing liquid crystal display and method for cleaning substrate | Naoya Hayamizu, Naoaki Sakurai, Noriko Okoshi, Toshitaka Nonaka, Hiroaki Furuya | 2001-04-03 |
| 5403683 | Photo-mask | Kenji Ohta, Junji Hirokane, Akira Shibata, Kazuo Van, Michinobu Mieda +1 more | 1995-04-04 |
| 5260150 | Photo-mask with light shielding film buried in substrate | Kenji Ohta, Junji Hirokane, Akira Shibata, Kazuo Van, Michinobu Mieda +1 more | 1993-11-09 |
| 5128922 | Optical disk with glass substrate and method of producing same | Tetsuya Inui, Junji Hirokane, Akira Shibata, Kenji Ohta | 1992-07-07 |
| 5112727 | Method of and photomask for manufacturing optical memory element | Tetsuya Inui, Junji Hirokane, Akira Shibata, Kenji Ohta | 1992-05-12 |
| 5079113 | Photo-mask | Kenji Ohta, Junji Hirokane, Akira Shibata, Kazuo Van, Michinobu Mieda +1 more | 1992-01-07 |
| 4946730 | Method of and photomask for manufacturing optical memory element | Tetsuya Inui, Junji Hirokane, Akira Shibata, Kenji Ohta | 1990-08-07 |
| 4737197 | Solar cell with metal paste contact | Akira Shibata, Masahito Asai, Shinichi Nakajima, Nobuyuki Takamori | 1988-04-12 |