Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12222524 | Ocular optical system and head mounted display | Hidetsugu TAKAGI | 2025-02-11 |
| 10921583 | Ocular optical system including a lens group having cemented lens and head-mounted display using the same | Atsushi Sekine, Hidetsugu TAKAGI | 2021-02-16 |
| 10488633 | Imaging lens and image capturing device | — | 2019-11-26 |
| 9869879 | Objective lens and microscope | Kotaro Yamaguchi | 2018-01-16 |
| 9625733 | Zoom optical system comprising diffractive optical element and imaging device having the same | — | 2017-04-18 |
| 9535240 | Zoom optical system | Yoshikazu Hirayama | 2017-01-03 |
| 9395525 | Catadioptric imaging lens | Yoshikazu Hirayama, Kinya Kato, Yoshikazu Sugiyama | 2016-07-19 |
| 9097887 | Telescope optical system and optical device provided therewith | — | 2015-08-04 |
| 8797649 | Achromatic lens system and optical apparatus | Akiko Miyakawa, Toshihiko Kurata | 2014-08-05 |
| 8004778 | Achromatic lens system and optical apparatus | Akiko Miyakawa, Toshihiko Kurata | 2011-08-23 |
| 7885005 | Eyepiece system and optical device | — | 2011-02-08 |
| 6912094 | Projection optical system, a projection exposure apparatus, and a projection exposure method | Koji Shigematsu, Masayuki Mizusawa, Youhei Fujishima | 2005-06-28 |
| 6773190 | Implement for dispensing preparation | Ryo Miyagawa | 2004-08-10 |
| D486270 | Container | Toshiki Kurumada | 2004-02-03 |
| 6682763 | Skin-beautifying agent, anti-aging agent for the skin, whitening agent and external agent for the skin | Noriyasu Kuno | 2004-01-27 |