Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8891986 | Image forming apparatus | Yuji Kawaguchi, Takuya Kitamura, Takayuki Kanazawa | 2014-11-18 |
| 8718503 | Image forming apparatus | Takayuki Kanazawa, Takuya Kitamura, Yuji Kawaguchi | 2014-05-06 |
| 8699894 | Image forming apparatus | Motoki Adachi, Takayuki Kanazawa, Masanori Tanaka, Shunsuke Mizukoshi | 2014-04-15 |
| 8626016 | Image forming apparatus | Takuya Kitamura, Takayuki Kanazawa, Yuji Kawaguchi | 2014-01-07 |
| 7599644 | Process cartridge and image forming apparatus that eliminates charge from the surface of a photosensitive member upstream of a sealing member contact portion | — | 2009-10-06 |
| 7593670 | Charging device including a contact charging member with silica thereon, process cartridge including a contact charging member, and image forming apparatus including such charging member | Kohei Matsuda, Tetsuya Kobayashi, Masato Koyanagi, Shinichi Agata, Shinya Yamamoto +1 more | 2009-09-22 |
| 7209690 | Developing apparatus | Masato Koyanagi, Tetsuya Kobayashi, Shinya Yamamoto, Kohei Matsuda, Shinichi Agata +1 more | 2007-04-24 |