Issued Patents All Time
Showing 25 most recent of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12360293 | Micro-lens array, projection type image display device, method for designing micro-lens array, and method for manufacturing micro-lens array | Kazuyuki Shibuya, Shunsuke Kanasugi, Mitsuo Arima | 2025-07-15 |
| 12061348 | Diffusion plate and optical device | Kazuyuki Shibuya, Katsuhiro Shindo, Yusuke Matsuno | 2024-08-13 |
| 11971569 | Optical body and light emitting device | Shunichi Kajiya, Kyoko SAKURAI, Katsuhiro Doi, Kazuya Hayashibe, Naoto Kaneko | 2024-04-30 |
| 11960103 | Micro-lens array, projection type image display device, method for designing micro-lens array, and method for manufacturing micro-lens array | Kazuyuki Shibuya, Shunsuke Kanasugi, Mitsuo Arima | 2024-04-16 |
| 11841560 | Depolarizing plate | Akio Takada, Eiji Takahashi, Nobuyuki Koike, Koji Sasaki | 2023-12-12 |
| 11693157 | Fine concave-convex laminate and production method therefor, and camera module-mounted device | Shunichi Kajiya, Kazuya Hayashibe, Hiroshi Sugata | 2023-07-04 |
| 11592156 | Diffuser plate, designing method of diffuser plate, manufacturing method of diffuser plate, display device, projection device, and lighting device | Akio Takada, Kazuyuki Shibuya, Yusuke Matsuno | 2023-02-28 |
| 11353635 | Diffuser plate, designing method of diffuser plate, display device, projection device, and lighting device | Kazuyuki Shibuya, Hideto Sagawa, Takahiro Kimura | 2022-06-07 |
| 11287693 | Optical body, method for manufacturing optical body, light-emitting apparatus, and display apparatus for amusement equipment | Koji Sasaki, Hiroshi Sugata | 2022-03-29 |
| 11243429 | Optical body, method for manufacturing optical body, light-emitting apparatus, and image display apparatus | Koji Sasaki, Hiroshi Sugata | 2022-02-08 |
| 11125413 | Diffuser plate, designing method of diffuser plate, manufacturing method of diffuser plate, display device, projection device, and lighting device | Akio Takada, Kazuyuki Shibuya, Yusuke Matsuno | 2021-09-21 |
| 11002993 | Depolarizing plate, optical device and liquid-crystal display device including same, and depolarizing plate production method | Akio Takada, Eiji Takahashi, Nobuyuki Koike, Koji Sasaki | 2021-05-11 |
| 10732341 | Optical body, method for manufacturing optical body, and light-emitting apparatus | Koji Sasaki, Hiroshi Sugata | 2020-08-04 |
| 10656318 | Optical body and light emitting device | Koji Sasaki | 2020-05-19 |
| 10599022 | Diffuser plate, display device, projection device, and lighting device | — | 2020-03-24 |
| 10295716 | Inorganic polarizing plate and production method thereof | — | 2019-05-21 |
| 9594275 | Retardation element, liquid crystal display device, and projection display device | Nobuyuki Koike, Akio Takada | 2017-03-14 |
| 9097857 | Polarizing plate and method for producing polarizing plate | — | 2015-08-04 |
| 8842365 | Phase difference element and method for manufacturing the same | Nobuyuki Koike, Masatoshi Sasaki, Akio Takada, Takatoshi Yamada | 2014-09-23 |
| 7538978 | Heat assisted magnetic recording head and heat assisted magnetic recording apparatus for heating a recording region in a magnetic recording medium during magnetic recording | Isamu Sato, Taro Oike | 2009-05-26 |
| 7403716 | Optical module for bi-directional communication system | Adrian Lo, Makoto Sekijima, Kenjiro Hata, Tohru Kineri | 2008-07-22 |
| 7286741 | Silica optical waveguide and method of manufacturing the same | Reio Mochida | 2007-10-23 |
| 7236668 | Spot-size transformer, method of producing spot-size transformer and waveguide-embedded optical circuit using spot-size transformer | Reio Mochida | 2007-06-26 |
| 7221826 | Spot-size transformer, method of producing spot-size transformer and waveguide-embedded optical circuit using spot-size transformer | Reio Mochida | 2007-05-22 |
| 7125174 | Optical module for bi-directional communication system | Adrian Lo, Makoto Sekijima, Kenjiro Hata, Tohru Kineri | 2006-10-24 |