Issued Patents All Time
Showing 1–25 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7322224 | Drawing method and drawing die assembly | Koji Ohashi, Takayoshi Mori, Michio Yamada, Koji Ooi, Hisashi Yasumatsu +1 more | 2008-01-29 |
| 6574035 | Diffraction optical device and optical apparatus using the same | — | 2003-06-03 |
| 6172787 | Laser beam scanning optical apparatus | — | 2001-01-09 |
| 6157478 | Multibeam scanning optical apparatus and laser light source apparatus | Nobuo Kanai, Jun Kohsaka, Kenji Takeshita | 2000-12-05 |
| 6137616 | Multi-beam optical scanning device | Yoshihiro Inagaki, Akiyoshi Hamada | 2000-10-24 |
| 6134255 | Laminate type multi-semiconductor laser device and laser beam scanning optical apparatus employing the semiconductor laser device | — | 2000-10-17 |
| 6101018 | Light beam scanning optical apparatus | Yoshihiro Inagaki, Akiyoshi Hamada | 2000-08-08 |
| 6038353 | Light beam scanning optical apparatus | Kenji Takeshita, Hidenari Tachibe, Hiroki Kinoshita | 2000-03-14 |
| 6034806 | Light source device and light beam scanning optical apparatus | Yoshihiro Inagaki, Akiyoshi Hamada | 2000-03-07 |
| 6021145 | Laser diode array unit | Akiyoshi Hamada | 2000-02-01 |
| 5969843 | Light source device and light beam scanning optical apparatus | Akiyoshi Hamada, Yoshihiro Inagaki | 1999-10-19 |
| 5943153 | Lens holding apparatus and a light-beam scanning optical apparatus | Akiyoshi Hamada, Yoshihiro Inagaki | 1999-08-24 |
| 5926306 | Image forming light scanning apparatus | Hiromu Nakamura, Etsuko Shibata, Satoru Ono | 1999-07-20 |
| 5890789 | Multi-beam emitting device having an acoustooptic element | Yoshihiro Inagaki, Akiyoshi Hamada, Keiji Ogoh | 1999-04-06 |
| 5870133 | Laser scanning device and light source thereof having temperature correction capability | — | 1999-02-09 |
| 5815301 | Scanning optical apparatus | Akiyoshi Hamada, Yoshihiro Inagaki | 1998-09-29 |
| 5726791 | Laser beam scanning apparatus | — | 1998-03-10 |
| 5721631 | Image forming light scanning apparatus | Hiromu Nakamura, Etsuko Shibata, Satoru Ono | 1998-02-24 |
| 5680244 | Scanning optical system | Satoru Ono | 1997-10-21 |
| 5563729 | Image forming light scanning apparatus | Hiromu Nakamura, Etsuko Shibata, Satoru Ono | 1996-10-08 |
| 5486954 | Optical device having an optical lens and a mounting assembly | Tetsuji Niikawa, Hiromu Nakamura, Jun Kohsaka | 1996-01-23 |
| 5371632 | Single aspherical plano-convex collimator lens | Satoshi Iwasaki | 1994-12-06 |
| 5301060 | Optical element | Tetsuji Niikawa, Hiromu Nakamura, Jun Kohsaka | 1994-04-05 |
| 5212501 | Image recording apparatus with a laser optical unit | Hiromu Nakamura, Akiyoshi Hamada, Satoru Ono, Masanori Murakami, Kunihiko Omura +1 more | 1993-05-18 |
| 5173798 | Beam scanning apparatus with sensor for detecting beam position | — | 1992-12-22 |