Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12306377 | Method for manufacturing optical lens provided with anti-reflection film | Yoshihiro Nakano | 2025-05-20 |
| 11846754 | Optical lens with antireflective film, projection lens, and projection lens optical system | Yoshihiro Nakano | 2023-12-19 |
| 10942294 | Projection lens | Yoshihiro Nakano, Miyuki Teramoto | 2021-03-09 |
| 10145988 | Projection lens and projector with laser beam light source | Miyuki Teramoto, Yasumasa Sawai | 2018-12-04 |
| 9874806 | Color splitting/combining prism, and optical system and projector therewith | Yasumasa Sawai | 2018-01-23 |
| 9866806 | Prism unit and projector | Miyuki Teramoto, Yasumasa Sawai, Masahiro Terada | 2018-01-09 |
| 9819918 | Color separating and combining prism and projector using same | — | 2017-11-14 |
| 9651790 | Prism for projection optical system and optical system having same | — | 2017-05-16 |
| 8614947 | Apparatus for transmitting packet | — | 2013-12-24 |
| 7864781 | Information processing apparatus, method and program utilizing a communication adapter | — | 2011-01-04 |
| 7836227 | Computer-readable recording medium having communication program recorded thereon, communication apparatus, and communication method | — | 2010-11-16 |
| 7038852 | Polarization conversion optical system and polarization conversion element | Kyu Takada, Koujirou Sekine, Takuji Hatano | 2006-05-02 |
| 6968543 | Information processing apparatus | Masaki Aoki | 2005-11-22 |
| 6822796 | Diffractive optical element | Kyu Takada, Takuji Hatano, Koujirou Sekine | 2004-11-23 |
| 6807330 | Optical switch using an optical waveguide | Naoki Nishida, Takuji Hatano, Shinji Maruyama, Miyuki Teramoto, Koujirou Sekine | 2004-10-19 |