Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11697323 | Fogging suppression apparatus and control method thereof | Shintaro Ohtaki, Tatsunori Kobayashi, Nobuharu Nagaoka | 2023-07-11 |
| 9669234 | Light-beam therapeutic apparatus | Kazuo Matsubara, Terumi Matsubara, Naoki Honma, Hiroki SUMA | 2017-06-06 |
| 9302119 | Light-beam therapeutic apparatus | Kazuo Matsubara, Terumi Matsubara, Naoki Honma, Hiroki SUMA | 2016-04-05 |
| 8705331 | Optical element and objective lens through which a plurality of light beams having different design wavelengths pass | Koichi Maruyama, Daisuke Koreeda | 2014-04-22 |
| 8116187 | Design method of optical element and optical element through which a plurality of light beams having different design wavelengths pass | Koichi Maruyama | 2012-02-14 |
| 8068401 | Objective optical system and optical information recording/reproducing device having the same | Daisuke Koreeda, Shuichi Takeuchi | 2011-11-29 |
| 8004955 | Coupling lens and optical information recording/reproducing device having the same | Shuichi Takeuchi | 2011-08-23 |
| 7920444 | Assembling method for optical system of optical pick-up | Koichi Maruyama, Toshihiro Tanaka | 2011-04-05 |
| 7872958 | Optical information recording/reproducing device, optical element for the same, and design method of the same | Daisuke Koreeda, Koichi Maruyama | 2011-01-18 |
| 7839752 | Optical disc drive and objective lens for the same | Daisuke Koreeda, Koichi Maruyama, Shuichi Takeuchi | 2010-11-23 |
| 7830772 | Objective optical system and optical information recording/reproducing device having the same | Daisuke Koreeda, Shuichi Takeuchi | 2010-11-09 |
| 7738345 | Optical disc drive and objective lens for the same | Daisuke Koreeda, Koichi Maruyama, Shuichi Takeuchi | 2010-06-15 |