Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7341778 | Radio wave-transmitting wavelength-selective plate and method for producing same | Hiroshi Nakashima, Masaaki Yonekura, Hideo Omoto | 2008-03-11 |
| 6744478 | Heads-up display system with optical rotation layers | Kenji Hosaki | 2004-06-01 |
| 6673462 | Frequency selective plate and method for producing same | Hiroshi Nakashima, Masaaki Yonekura, Hideo Omoto | 2004-01-06 |
| 6507436 | Display system where polarized light impinges on platelike laminate at brewster's angle or emerges therefrom at angle equal thereto | Shinji Nishikawa, Kazuya Kobayashi | 2003-01-14 |
| 6327084 | Display system where polarized light impinges on platelike laminate at brewster's angle or emerges therefrom at angle equal thereto | Shinji Nishikawa, Kazuya Kobayashi | 2001-12-04 |
| 6327089 | Laminated transparent structure for reflective display | Kenji Hosaki, Yoshihiro Kumagai, Shinji Nishikawa, Kazuya Kobayashi | 2001-12-04 |
| 6307198 | Water droplet sensor and exposure system for hologram | Shinji Nishikawa, Chikara Hashimoto | 2001-10-23 |
| 6259559 | Glass arrangement including an outside glass plate, a polarization direction changing film and an adhesive layer therebetween, and an inside glass layer | Kazuya Kobayashi, Takashi Yamate | 2001-07-10 |
| 6042947 | Laminate including optically functioning film | Kazuya Kobayashi, Shinji Nishikawa | 2000-03-28 |
| 5999314 | Optical display system having a Brewster's angle regulating film | Kazuya Kobayashi, Shinji Nishikawa | 1999-12-07 |
| 5781288 | Method of inspecting location of optical film and system for carrying out the method | Kazuya Kobayashi, Shinji Nishikawa | 1998-07-14 |
| 5168387 | Variable light transmittance device | Yukitoshi Yanagida, Hiroshi Inaba | 1992-12-01 |