Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9116468 | Powder storage container and image forming apparatus in which a gripping part includes a powder loading port and a sealing member | Seiji Terazawa, Atsushi Inoue, Kaori Mitsuishi, Yuki Oshikawa, Tadashi Hayakawa +1 more | 2015-08-25 |
| 8064795 | Electrophotographic image forming apparatus and process cartridge | Keisuke Shimoyama, Eiji Kurimoto, Shin-ichi Kawamura | 2011-11-22 |
| 7871747 | Electrophotographic photoconductor having charge blocking and moire preventing layers | Keisuke Shimoyama, Eiji Kurimoto, Takeshi Orito, Tatsuya Niimi, Shinichi Kawamura +1 more | 2011-01-18 |
| 7862969 | Image bearing member and image forming method using thereof, and image forming apparatus and process cartridge | Yasuo Suzuki, Kohichi Ohshima, Tetsuro Suzuki | 2011-01-04 |
| 7662533 | Image forming method, and image forming apparatus and process cartridge using the image forming method | Kohichi Ohshima, Yasuo Suzuki, Tetsuro Suzuki | 2010-02-16 |
| 7550238 | Process cartridge, image forming apparatus, and image forming process | Kohichi Ohshima, Yasuo Suzuki, Tetsuro Suzuki | 2009-06-23 |
| 7517625 | Image forming apparatus and process cartridge | Yasuo Suzuki, Tetsuro Suzuki, Kohichi Ohshima | 2009-04-14 |
| 6271310 | Polypropylene composition and process for producing the same | Chikashi Okayama, Takanori Nakashima, Akira Yamauchi, Jun Saito | 2001-08-07 |