Issued Patents All Time
Showing 1–25 of 44 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8279526 | Optical system and image pickup apparatus having same | Kazuhiko Momoki, Sayoko Amano, Reona Ushigome, Takeharu Okuno, Daisuke Sano | 2012-10-02 |
| 8009355 | Optical element having periodic structure and optical apparatus using the same | — | 2011-08-30 |
| 7626772 | Optical system and optical apparatus having the same | — | 2009-12-01 |
| 7612941 | Diffractive optical element and optical system including the same | — | 2009-11-03 |
| 7554735 | Diffractive optical element and optical system including the same | — | 2009-06-30 |
| 7301702 | Diffractive optical element and optical system including the same | — | 2007-11-27 |
| 7236302 | Diffraction optical element | Hideo Ukuda, Masaaki Nakabayashi | 2007-06-26 |
| 7075722 | Diffractive optical element and optical system having the same | — | 2006-07-11 |
| 6930833 | Diffractive optical element, and optical system and optical apparatus provide with the same | — | 2005-08-16 |
| 6927915 | Diffractive optical element, and optical system and optical apparatus provided with the same | — | 2005-08-09 |
| 6873463 | Diffractive optical element and optical system having the same | — | 2005-03-29 |
| 6829093 | Diffraction optical element | — | 2004-12-07 |
| 6760159 | Diffractive optical element and optical system having the same | — | 2004-07-06 |
| 6757104 | Picture taking apparatus having diffractive optical element | — | 2004-06-29 |
| 6650477 | Diffractive optical element and optical apparatus having the same | — | 2003-11-18 |
| 6624943 | Diffractive optical element and optical system having the same | Michitaka Setani | 2003-09-23 |
| 6590708 | Lens system having diffracting surface and refracting surface and optical apparatus using the lens system | Michitaka Setani | 2003-07-08 |
| 6587272 | Diffractive optical element | — | 2003-07-01 |
| 6565212 | Projection display apparatus, and information processing system and image recording/reproducing system using the same | Shuichi Kobayashi | 2003-05-20 |
| 6560019 | Diffractive optical element and optical system having the same | — | 2003-05-06 |
| 6507437 | Diffractive optical element and photographic optical system having the same | — | 2003-01-14 |
| 6486974 | Image reading device | Hiroshi Tanioka, Shinobu Arimoto, Kazuo Yoshinaga, Toshio Hayashi, Tsutomu Utagawa +2 more | 2002-11-26 |
| 6480332 | Diffractive optical element and optical system having the same | — | 2002-11-12 |
| 6330110 | Diffractive optical element and optical system having the same | — | 2001-12-11 |
| 6262846 | Diffractive optical element and optical system having the same | — | 2001-07-17 |