Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12135440 | Optical element manufacturing method, optical element, optical apparatus, and image capturing apparatus | Hiroyuki Tanaka, Kouichi Yonetani | 2024-11-05 |
| 11346985 | Cured product, and optical element, diffractive optical element, optical apparatus, and imaging device using the cured product | Emi Oishi, Yuuta Tsuruki | 2022-05-31 |
| 11327209 | Diffractive optical element and method of manufacturing the same, curable resin composition, and optical apparatus | Yuuta Tsuruki, Emi Oishi | 2022-05-10 |
| 11156750 | Laminated diffractive optical element and method for manufacturing laminated diffractive optical element | — | 2021-10-26 |
| 10996375 | Optical element and method for manufacturing the same | — | 2021-05-04 |
| 9835765 | Optical element and method for manufacturing the same | — | 2017-12-05 |
| 9383487 | Laminated diffractive optical element | Hidefumi Iwasa | 2016-07-05 |
| 9086537 | Laminated diffractive optical element | Hidefumi Iwasa | 2015-07-21 |
| 8804245 | Stacked diffraction optical element including an optical element made of organic-inorganic composite resin material | Hidefumi Iwasa | 2014-08-12 |
| 7663803 | Laminated diffraction optical element | Reiko Kubota | 2010-02-16 |
| 7236302 | Diffraction optical element | Takehiko Nakai, Masaaki Nakabayashi | 2007-06-26 |
| 7196132 | Optical material and optical system using it | — | 2007-03-27 |
| 7046445 | Optical material, and optical element, optical system, and laminate type diffraction optical element, which are made of optical material | — | 2006-05-16 |
| 7031078 | Laminated diffractive optical element | — | 2006-04-18 |
| 6932482 | Fog prevention and antireflection optical element and optical equipment incorporating the same | — | 2005-08-23 |
| 6912092 | Optical material, and, optical element, optical system and laminated diffractive optical element using it | — | 2005-06-28 |
| 6830346 | Optical element and optical equipment incorporating the same | — | 2004-12-14 |
| 6759471 | Optical material and optical system using it | — | 2004-07-06 |
| 6506446 | Anti-fog coating material and method of preparing an anti-fog article | Tohru Yamamoto, Shigeo Yoshida, Hatsumi Ikari, Keiji Ikemori, Keiji Ohtaka | 2003-01-14 |
| 6394613 | Anti-fogging and anti-reflection optical article | Hideyuki Hatakeyama | 2002-05-28 |
| 6306932 | Anti-fogging coating material, anti-fogging coating film and anti-fogging article | Tohru Yamamoto, Shigeo Yoshida, Hatsumi Ikari, Keiji Ikemori, Keiji Ohtaka | 2001-10-23 |
| 6287683 | Anti-fogging coating and optical part using the same | Susumu Itoh, Shoichi Shimura, Hideyuki Hatakeyama | 2001-09-11 |
| 6117919 | Anti-fogging article and composition for forming anti-fogging coating film | Mihoko Oda, Teigo Sakakibara, Shunichiro Nishida | 2000-09-12 |