Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7336403 | Optical element and illumination apparatus having same | — | 2008-02-26 |
| 7177095 | Zoom lens and imaging apparatus having the same | Takayuki Sugiyama, Nobuyuki Tochigi, Kazuyuki Kondo | 2007-02-13 |
| 6951186 | Non-invasive environment history indicator for reusable device | — | 2005-10-04 |
| 6788329 | Rod lens array and printer head and optical printer using the same | — | 2004-09-07 |
| 6683718 | Diffractive optical element and image reader using the same | Takayuki Sugiyama, Hiroshi Sato, Hidekazu Shimomura | 2004-01-27 |
| 6473106 | LED head, image forming apparatus, and method of measuring amount of light from LED array | — | 2002-10-29 |
| 6473111 | Rod lens array and printer head and optical printer using the same | — | 2002-10-29 |
| 6466245 | Rod lens array and optical printer head and optical printer using the same | — | 2002-10-15 |
| 6088164 | Image forming apparatus having a lens array | — | 2000-07-11 |
| 5875377 | Device for illuminating an original | — | 1999-02-23 |
| 5648653 | Optical filter having alternately laminated thin layers provided on a light receiving surface of an image sensor | Junichi Sakamoto, Seitoku Tsukamoto, Mitsuharu Sawamura | 1997-07-15 |
| 5566006 | Image reading apparatus for selectively illuminating a first object and a second object by the same light beam and selectively detecting imaged image information therefrom | Kenji Yoshinaga, Akimitu Hoshi, Koji Kimura, Seiji Ohta | 1996-10-15 |
| 5329403 | Image reading lens | — | 1994-07-12 |
| 5287147 | Original scanning apparatus with fixed light source | Kazuo Fujibayashi, Keisuke Araki | 1994-02-15 |
| 5028103 | Optical scanning apparatus | Masamichi Tateoka | 1991-07-02 |
| 4794427 | Image scanning apparatus | Masahiro Shirai | 1988-12-27 |
| 4751553 | Reader-printer | — | 1988-06-14 |