Issued Patents 2002
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6448998 | Scanning and imaging lens, optical scanning device and image forming apparatus | Seizo Suzuki, Hiromichi Atsuumi, Kohji Sakai | 2002-09-10 |
| 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 |
| 6388792 | Optical scanning device and image forming apparatus | Hiromichi Atsuumi, Seizo Suzuki, Kohji Sakai | 2002-05-14 |
| 6376837 | Optical scanning apparatus and image forming apparatus having defective light source detection | Akihisa Itabashi, Akira Kojima, Hiroyuki Suhara, Nobuaki Kubo, Tomoya Ohsugi | 2002-04-23 |
| 6366384 | Multi-beam scanning method, apparatus and multi-beam light source device achieving improved scanning line pitch using large light emitting points interval | Kohji Sakai | 2002-04-02 |
| 6359717 | Optical scanning apparatus and scanning image forming lens | Seizo Suzuki, Kobji Sakai | 2002-03-19 |
| 6348989 | Scanning image forming lens and optical scanning apparatus | Kohji Sakai | 2002-02-19 |
| 6348988 | Scanning image forming lens and optical scanning apparatus | Kohji Sakai | 2002-02-19 |
| 6347004 | Optical scanning apparatus and scanning image forming lens | Seizo Suzuki, Kohji Sakai | 2002-02-12 |