Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9147817 | Semiconductor light-emitting element, light source head, and image forming apparatus | — | 2015-09-29 |
| 8963186 | Semiconductor light-emitting element, light-source head, and image forming apparatus | — | 2015-02-24 |
| 8564013 | Light-emitting thyristor, light source head, and image forming apparatus | — | 2013-10-22 |
| 8324644 | Optical functional element, optical functional element array, exposure device, and method of manufacturing optical functional element | Teiichi Suzuki, Akira Fujii, Takashi Fujimoto | 2012-12-04 |
| 8176630 | Method of producing liquid droplet ejection head | Masaki Kataoka, Hiroshi Inoue, Yuji Nishimura, Susumu Hirakata, Atsumichi Imazeki | 2012-05-15 |
| 7798628 | Liquid droplet ejection head, apparatus for ejecting liquid droplet, and method of producing liquid droplet ejection head | Masaki Kataoka, Hiroshi Inoue, Yuji Nishimura, Susumu Hirakata, Atsumichi Imazeki | 2010-09-21 |
| 7195148 | Card printer in a card information management system | Tetsuya Kimura, Mario Fuse, Shoji Yamaguchi, Hideaki Ashikaga | 2007-03-27 |
| 7189587 | Ink jet recording head and method for manufacturing the same | Hiroyuki Usami, Hiroshi Ikeda | 2007-03-13 |
| 6967385 | Ink jet recording head and method for manufacturing the same | Hiroyuki Usami, Hiroshi Ikeda | 2005-11-22 |
| 6921152 | Ink jet recording head and method for manufacturing the same | Hiroyuki Usami, Hiroshi Ikeda | 2005-07-26 |
| 6839524 | Image forming apparatus, normal image forming unit, special image forming unit and image forming method | Shoji Yamaguchi, Mario Fuse, Tetsuya Kimura | 2005-01-04 |
| 6483189 | Semiconductor device | — | 2002-11-19 |
| 6226129 | Imaging optical system and image forming apparatus | — | 2001-05-01 |
| 5880766 | Apparatus for correcting positional deviation of light source emitting light beams in image recording apparatus | Akemi Murakami, Kaoru Yasukawa, Hideo Nakayama, Nobuaki Ueki, Hiromi Otoma +2 more | 1999-03-09 |
| 5841465 | Light beam focal position detecting device, light beam projecting device, and light beam recording apparatus | Shoji Yamaguchi, Takashi Nomiyama | 1998-11-24 |
| 5809052 | Semiconductor laser array driving method, semiconductor laser array driving device and image forming apparatus | Yasuji Seko, Akemi Murakami, Hiromi Otoma, Nobuaki Ueki, Hideo Nakayama +1 more | 1998-09-15 |
| 5703860 | Optical imaging recording system for performing image recording by focusing modulated light beams | Shoji Yamaguchi, Takashi Nomiyama | 1997-12-30 |
| 5648295 | Method of making a semiconductor laser device | Hiromi Otoma, Nobuaki Ueki, Hideo Nakayama, Yasuji Seko, Mario Fuse | 1997-07-15 |
| 5588016 | Semiconductor laser device | Hiromi Otoma, Nobuaki Ueki, Hideo Nakayama, Yasuji Seko, Mario Fuse | 1996-12-24 |
| 5563901 | Semiconductor laser array | Hiromi Otoma, Nobuaki Ueki, Hideo Nakayama | 1996-10-08 |
| 5533042 | Semiconductor laser device and driving method for the same as well as tracking servo system employing the same | Kaoru Yasukawa, Hideo Nakayama, Nobuaki Ueki, Hiromi Otoma, Mario Fuse | 1996-07-02 |
| 5491709 | Semiconductor laser device | Yasuji Seko, Hiromi Otoma, Nobuaki Ueki, Hideo Nakayama, Kiichi Ueyanagi +1 more | 1996-02-13 |
| 5394425 | Method of manufacturing a semiconductor laser device | Nobuaki Ueki, Hiromi Otoma, Hideo Nakayama | 1995-02-28 |
| 5253265 | Semiconductor laser device | Yasuji Seko, Kiichi Ueyanagi, Hideo Nakayama, Nobuaki Ueki | 1993-10-12 |