Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8019258 | Developing apparatus | Shinichi Nishida, Katsunori Yokoyama, Yasushi Shimizu, Kazunari Hagiwara, Katsuhiro Sakaizawa +1 more | 2011-09-13 |
| 7840168 | Developing apparatus | Shinichi Nishida, Katsunori Yokoyama, Yasushi Shimizu, Kazunari Hagiwara, Katsuhiro Sakaizawa +1 more | 2010-11-23 |
| 7463854 | Developing apparatus, processing cartridge, and image forming apparatus | Shinichi Nishida, Kazunari Hagiwara, Yasushi Shimizu, Katsunori Yokoyama, Hirokazu Usami | 2008-12-09 |
| 7440718 | Developing apparatus featuring image defect supression | Kazunari Hagiwara, Kenya Ogawa, Shuji Moriya, Yasushi Shimizu, Koichi Okuda | 2008-10-21 |
| 7383003 | Developing apparatus for preventing ghost images and uneven image density | Koichi Okuda, Yasushi Shimizu, Kenya Ogawa, Shuji Moriya, Kazunari Hagiwara | 2008-06-03 |
| 7379693 | Developing apparatus | Kenya Ogawa, Yasushi Shimizu, Shuji Moriya, Kazunari Hagiwara, Koichi Okuda | 2008-05-27 |