Issued Patents All Time
Showing 1–25 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8085457 | Light source system, optical scanner, image forming apparatus, and light-amount control method | Daisuke Ichii | 2011-12-27 |
| 7072127 | Optical scanning lens, optical scanning device and image forming apparatus | Hiroyuki Suhara, Satoru Itoh, Tatsuya Ito, Takeshi Ueda, Yoshinori Hayashi +5 more | 2006-07-04 |
| 7006270 | Optical scanning device, image forming apparatus, and optical scanning method | Seizo Suzuki | 2006-02-28 |
| 6870652 | Optical scanning lens, optical scanning device and image forming apparatus | Hiroyuki Suhara, Satoru Itoh, Tatsuya Ito, Takeshi Ueda, Yoshinori Hayashi +5 more | 2005-03-22 |
| 6862123 | Optical scanning device, image forming apparatus, and optical scanning method | Seizo Suzuki | 2005-03-01 |
| 6856438 | Optical scanning lens and apparatus capable of effectively generating accurately-pitched light spots, and image forming apparatus using the same | Kohji Sakai | 2005-02-15 |
| 6839157 | Method and apparatus for multi-beam optical scanning capable of effectively adjusting a scanning line pitch | Nobuaki Ono, Tomohiro Nakajima, Akihisa Itabashi, Tomoya Ohsugi | 2005-01-04 |
| 6833940 | Method and apparatus for optical scanning capable of performing a high speed and high pixel density scanning | Seizo Suzuki | 2004-12-21 |
| 6744545 | Optical scanning lens, optical scanning device and image forming apparatus | Hiroyuki Suhara, Satoru Itoh, Tatsuya Ito, Takeshi Ueda, Yoshinori Hayashi +5 more | 2004-06-01 |
| 6657761 | Optical scanning device, image forming apparatus, and optical scanning method | Seizo Suzuki | 2003-12-02 |
| 6400391 | Optical scanning lens, optical scanning device and image forming apparatus | Hiroyuki Suhara, Satoru Itoh, Tatsuya Ito, Takeshi Ueda, Yoshinori Hayashi +5 more | 2002-06-04 |
| 6317246 | Multi-beam scanning apparatus | Yoshinori Hayashi, Atsushi Kawamura | 2001-11-13 |
| 6233081 | Optical scanning device, image forming apparatus and optical scanning method | Seizo Suzuki, Taira Kouchiwa | 2001-05-15 |
| 6185026 | Multi-beam scanning apparatus | Yoshinori Hayashi, Atsushi Kawamura | 2001-02-06 |
| 5771115 | Optical scanner | — | 1998-06-23 |
| 5757532 | Optical scanner | — | 1998-05-26 |
| 5459601 | Optical scanner for reducing shading | Seizoh Suzuki, Hiromichi Atsuumi | 1995-10-17 |
| 5355244 | Optical scanner for reducing shading | Seizoh Suzuki, Hiromichi Atsuumi | 1994-10-11 |
| 5247385 | F.theta. lens and lens for forming linear image | — | 1993-09-21 |
| 5161047 | Optical scanner for image recording apparatus | Kan Tomita, Takayuki Ohsawa, Osamu Endo | 1992-11-03 |
| 5087983 | Light scanning device | Yasushi Takahashi | 1992-02-11 |
| 5029956 | Optical scanner | Akihisa Itabashi | 1991-07-09 |
| 4971411 | Optical scanning system | — | 1990-11-20 |
| 4962982 | Light beam scanning device and light beam scanning lens | — | 1990-10-16 |
| 4932734 | Optical scanning system using a laser diode array | Nobuo Sakuma | 1990-06-12 |