Issued Patents All Time
Showing 25 most recent of 66 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12235481 | Polarizing plate | Shigeshi Sakakibara, Kazuyuki Shibuya, Toshiaki Sugawara, Yuusuke Matsuno | 2025-02-25 |
| 11971568 | Polarizing plate, manufacturing method thereof, and optical device | Kazuyuki Shibuya, Shigeshi Sakakibara, Toshiaki Sugawara, Yusuke Matsuno | 2024-04-30 |
| 11966068 | Inorganic wave plate and manufacturing method therefor | Kazuyuki Shibuya, Shigeshi Sakakibara, Toshiaki Sugawara, Yusuke Matsuno | 2024-04-23 |
| 11841560 | Depolarizing plate | Eiji Takahashi, Nobuyuki Koike, Koji Sasaki, Naoki Hanashima | 2023-12-12 |
| 11592156 | Diffuser plate, designing method of diffuser plate, manufacturing method of diffuser plate, display device, projection device, and lighting device | Naoki Hanashima, Kazuyuki Shibuya, Yusuke Matsuno | 2023-02-28 |
| 11579350 | Wire grid polarization plate having dielectric layer with concave portions | Kazuyuki Shibuya, Shigeshi Sakakibara, Toshiaki Sugawara, Yusuke Matsuno | 2023-02-14 |
| 11543702 | Polarizer and optical apparatus | Kazuyuki Shibuya, Shigeshi Sakakibara, Toshiaki Sugawara, Yusuke Matsuno | 2023-01-03 |
| 11500140 | Polarizing plate and optical apparatus having tip portions with continuous curved surface | Kazuyuki Shibuya, Shigeshi Sakakibara, Toshiaki Sugawara, Yusuke Matsuno | 2022-11-15 |
| 11385389 | Polarizing plate having discontinuous water-repellent portion and manufacturing method thereof | Kazuyuki Shibuya, Shigeshi Sakabara, Toshiaki Sugawara, Yusuke Matsuno | 2022-07-12 |
| 11262491 | Polarizing plate having alternately stacked layers having different deposition directions | Eiji Takahashi, Nobuyuki Koike, Koji Sasaki | 2022-03-01 |
| 11249233 | Thin film for optical element, method of manufacturing thin film for optical element, inorganic polarizing plate, method of manufacturing inorganic polarizing plate, optical element, and optical device | Toshiaki Sugawara | 2022-02-15 |
| 11125413 | Diffuser plate, designing method of diffuser plate, manufacturing method of diffuser plate, display device, projection device, and lighting device | Naoki Hanashima, Kazuyuki Shibuya, Yusuke Matsuno | 2021-09-21 |
| 11112550 | Polarizing plate, optical apparatus and method of manufacturing polarizing plate | Kazuyuki Shibuya, Shigeshi Sakakibara, Toshiaki Sugawara, Yusuke Matsuno | 2021-09-07 |
| RE48640 | Polarizing element and liquid crystal projector | — | 2021-07-13 |
| 11029458 | Polarizing plate and optical apparatus including the same | Kazuyuki Shibuya, Shigeshi Sakakibara, Toshiaki Sugawara, Yusuke Matsuno | 2021-06-08 |
| 11009789 | Pattern formation method and method for manufacturing polarizing plate | Kazuyuki Shibuya, Shigeshi Sakakibara, Toshiaki Sugawara, Yusuke Matsuno | 2021-05-18 |
| 11002993 | Depolarizing plate, optical device and liquid-crystal display device including same, and depolarizing plate production method | Eiji Takahashi, Nobuyuki Koike, Koji Sasaki, Naoki Hanashima | 2021-05-11 |
| 10928574 | Polarizing plate, production method thereof and optical apparatus | Kazuyuki Shibuya, Shigeshi Sakakibara, Toshiaki Sugawara, Yusuke Matsuno | 2021-02-23 |
| 10907250 | Block copolymer pattern formation method and diffraction limited optical element | Eiji Takahashi, Nobuyuki Koike | 2021-02-02 |
| 10859742 | Polarizing plate and optical device | — | 2020-12-08 |
| 10852465 | Polarizing plate and polarizing plate manufacturing method | — | 2020-12-01 |
| 10732335 | Polarizing plate having absorption layer comprising only tantalum and niobium | Eiji Takahashi, Nobuyuki Koike, Koji Sasaki | 2020-08-04 |
| 10564477 | Phase difference compensation element, liquid crystal display device, and projection-type image display device | Nobuyuki Koike | 2020-02-18 |
| 10436964 | Inorganic polarizing plate, method of manufacturing the same, and optical instrument | Seiji Kumagai, Hideto Sagawa, Takahiro Kimura, Kazuyuki Shibuya, Toshiaki Sugawara +2 more | 2019-10-08 |
| 10317599 | Wavelength plate and optical device | Nobuyuki Koike, Masatoshi Sasaki | 2019-06-11 |