Issued Patents All Time
Showing 26–35 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6458253 | Thin film production process and optical device | Kenji Ando, Yasuyuki Suzuki, Toshiaki Shingu, Ryuji Biro, Hidehiro Kanazawa | 2002-10-01 |
| 6396626 | Antireflection film and optical element coated with the antireflection film | Kenji Ando, Yasuyuki Suzuki, Ryuji Biro, Hidehiro Kanazawa | 2002-05-28 |
| 6383346 | Method for forming thin films | Kenji Ando, Masaaki Matsushima, Yasuyuki Suzuki, Ryuji Biro, Hidehiro Kanazawa | 2002-05-07 |
| 6261696 | Optical element with substrate containing fluorite as main ingredient, and method and apparatus for producing the optical element | Ryuji Biro, Kenji Ando, Yasuyuki Suzuki, Hidehiro Kanazawa | 2001-07-17 |
| 6217719 | Process for thin film formation by sputtering | Hidehiro Kanazawa, Kenji Ando, Yasuyuki Suzuki, Ryuji Biro | 2001-04-17 |
| 5885712 | Anti-reflection film and optical system using the same | Kenji Ando, Yasuyuki Suzuki, Ryuji Biro, Hidehiro Kanazawa | 1999-03-23 |
| 5801802 | Liquid crystal display panel with two alignment domains | Hiroyasu Inoue, Tadashi Hasegawa | 1998-09-01 |
| 5642242 | Processing system for digital video signal | Hidetoshi Ozaki, Hironori Akasaka, Masaki Mori | 1997-06-24 |
| 5585855 | Digital video signal coding circuit, digital signal decoding circuit | Hidetoshi Ozaki, Masaki Mori | 1996-12-17 |
| 5557466 | Two-wavelength antireflection film | Junri Ishikura | 1996-09-17 |