Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10746977 | Optical system and image pickup apparatus including the same | — | 2020-08-18 |
| 10379272 | Optical system and image pickup apparatus including the same | — | 2019-08-13 |
| 10082643 | Optical system and optical apparatus with diffractive optical element | — | 2018-09-25 |
| 9273202 | Adhesive composition and adhesive containing the same | Hiroshi Hoya, Koji Matsunaga, Yoji Hayakawa, Shin Tokui | 2016-03-01 |
| 9164291 | Optical system including diffractive optical element and optical apparatus | — | 2015-10-20 |
| 8877856 | Adhesive resin composition and hot melt adhesive obtained therefrom | Koji Matsunaga | 2014-11-04 |
| 8792168 | Optical system including diffractive grating and optical apparatus | — | 2014-07-29 |
| 8355205 | Optical element and optical system including the same | — | 2013-01-15 |
| 8064145 | Optical system and optical apparatus using the same | — | 2011-11-22 |
| 7710651 | Contacting two-layer diffractive optical element | — | 2010-05-04 |
| 7253973 | Image-pickup optical system | — | 2007-08-07 |
| 7221519 | Zoom lens system and image pickup apparatus including the same | — | 2007-05-22 |
| 7151636 | Optical system | — | 2006-12-19 |
| 6741398 | Zoom lens system, image projecting and image pick-up devices using the same | — | 2004-05-25 |
| 6639737 | Zoom lens system and projection apparatus using the same | Fumihito Wachi | 2003-10-28 |