Issued Patents All Time
Showing 1–25 of 53 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12174399 | Optical component and method of manufacturing optical component | Shiro Sato, Satoru Kusaka | 2024-12-24 |
| 11892154 | Illumination device | Satoru Kusaka | 2024-02-06 |
| 11555596 | Radiation angle changing element and light emitting device | Satoru Kusaka | 2023-01-17 |
| 11276584 | Substrate with glass sheet, resin layer and through-glass via | Hideki Hashizume, Kazuya Ohkawa | 2022-03-15 |
| 10917536 | Image sensor unit and image reading device | Satoru Kusaka | 2021-02-09 |
| 10727048 | Method for producing glass substrate with through glass vias and glass substrate | Hideki Hashizume, Kazuya Ohkawa | 2020-07-28 |
| 10418256 | Method for producing glass substrate and glass sheet | Hideki Hashizume, Kazuya Ohkawa | 2019-09-17 |
| 10276368 | Method for producing glass substrate with through glass vias and glass substrate | Hideki Hashizume, Kazuya Ohkawa | 2019-04-30 |
| 8307672 | Glass substrate processing method and glass component | Takeshi Hidaka, Yasushi Nakamura, Tomonori Imamura, Shinya Okamoto, Hirotaka Koyo +1 more | 2012-11-13 |
| 7724997 | Waveguide element, method for producing the waveguide element, and optical sensor | Shigeo Kittaka, Masatoshi Nara | 2010-05-25 |
| 7688512 | Transmissive diffraction grating, and spectral separation element and spectroscope using the same | Shigeo Kittaka, Kentaro Yamada, Tatsuhiro Nakazawa | 2010-03-30 |
| 7666492 | Multilayer structure and method for manufacturing the same | Katsuhide Shimmo, Yasuji Sasaki, Masahiro Oikawa | 2010-02-23 |
| 7524783 | Glass for laser processing | Hirotaka Koyo, Tadashi Koyama | 2009-04-28 |
| 7515804 | Optical waveguide device | Shigeo Kittaka | 2009-04-07 |
| 7421176 | Waveguide element using photonic crystal | Shigeo Kittaka, Kazuaki Oya | 2008-09-02 |
| 7407889 | Method of manufacturing article having uneven surface | Shinya Okamoto, Yasuhiro Saito, Junji Kurachi, Akihiro Koyama, Hirotaka Koyo +4 more | 2008-08-05 |
| 7399721 | Glass for laser processing | Hirotaka Koyo | 2008-07-15 |
| 7354526 | Processing method for glass substrate, processed glass product and stress applying apparatus | Takeshi Hidaka, Hiroaki KASAI, Masamichi Hijino, Yasushi Nakamura, Akihiro Koyama +4 more | 2008-04-08 |
| 7349612 | Optical element, optical circuit provided with the optical element, and method for producing the optical element | Junji Nishii, Tatsuhiro Nakazawa, Shigeo Kittaka | 2008-03-25 |
| 7329372 | Method for producing aspherical structure, and aspherical lens array molding tool and aspherical lens array produced by the same method | Takahiro Hashimoto, Hideshi Nagata, Shigeo Kittaka, Kenjiro Hamanaka | 2008-02-12 |
| 7310468 | Photonic crystal waveguide, homogeneous medium waveguide, and optical device | Shigeo Kittaka, Kazuaki Oya | 2007-12-18 |
| 7305155 | Optical element and wavelength separator using the same | Kazuaki Oya, Tatsuhiro Nakazawa, Shigeo Kittaka, Junji Nishii | 2007-12-04 |
| 7260300 | Waveguide element using photonic crystal | Shigeo Kittaka, Kazuaki Oya, Masatoshi Nara, Takahiro Asai | 2007-08-21 |
| 7217448 | Glass structure and method for producing the same | Hirotaka Koyo | 2007-05-15 |
| 7170600 | Spectrometer using diffraction grating | Junji Nishii, Tatsuhiro Nakazawa, Shigeo Kittaka, Kazuaki Oya | 2007-01-30 |