Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9670054 | Stuffed article | Hirokazu Onishi, Ippei Yamauchi, Kazunobu Ishikawa | 2017-06-06 |
| 7013096 | Image forming apparatus with toner amount selection feature | Yoshiaki Kobayashi, Hideaki Suzuki | 2006-03-14 |
| 6449442 | Developing apparatus employing permeability sensor to detect polymer toner density | Masanori Shida, Yoshiaki Kobayashi, Masaru Hibino | 2002-09-10 |
| 6389245 | Developing device and image forming apparatus | Masanori Shida, Yoshiaki Kobayashi, Masaru Hibino | 2002-05-14 |
| 6377762 | Image forming apparatus controlling image forming conditions based on detected toner concentration before and after stoppage | Yoshiaki Kobayashi | 2002-04-23 |
| 6345162 | Image forming apparatus | Yoshiaki Kobayashi, Masaru Hibino, Masanori Shida | 2002-02-05 |
| 6332063 | Image forming apparatus with residual toner detection and collection features | Masaru Hibino, Masanori Shida | 2001-12-18 |
| 6304738 | Image forming apparatus wherein toner in a developing device toner and toner on an image bearing member satisfy a prescribed weight average diameter relationship | Yoshiaki Kobayashi, Masaru Hibino, Masanori Shida | 2001-10-16 |
| 6294305 | Image forming method and image forming apparatus | Yoshiaki Kobayashi, Masaru Hibino, Masanori Shida | 2001-09-25 |
| 6219514 | Image forming apparatus and positioning of magnetic field generating devices within the same apparatus | Yoshiaki Kobayashi, Masaru Hibino, Masanori Shida | 2001-04-17 |
| 6104892 | Developing device and image forming apparatus | Yoshiaki Kobayashi, Masaru Hibino, Masanori Shida | 2000-08-15 |
| 6049687 | Developing apparatus | Masaru Hibino, Yoshiaki Kobayashi, Masanori Shida | 2000-04-11 |
| 5870656 | Image forming apparatus for effecting development and cleaning by using magnet brush | Masaru Hibino, Yoshiaki Kobayashi, Koichi Hashimoto | 1999-02-09 |