Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12209636 | Belt and system for acquiring belt state information | Shigehiko Hayashi | 2025-01-28 |
| 9152086 | Toner cartridge with differential member and image forming apparatus | — | 2015-10-06 |
| 9069233 | Mirror unit and image capturing apparatus | — | 2015-06-30 |
| 8781376 | Toner supply device and image forming apparatus | — | 2014-07-15 |
| 8649709 | Toner supplying device and image forming apparatus | — | 2014-02-11 |
| 8644739 | Toner cartridge and image forming apparatus including the same | — | 2014-02-04 |
| 8521070 | Toner cartridge and image forming apparatus including the same | — | 2013-08-27 |
| D462712 | Toner cartridge | Keiji Katou, Takahiko Kimura, Hiroshi Kubota, Yoshinori Otsuka, Yasuyuki Ishiguro | 2002-09-10 |
| D451127 | Toner cartridge | Keiji Katou, Hiroshi Kubota, Yoshinori Otsuka, Hiroshige Araki, Fumito Mizoguchi | 2001-11-27 |
| 6314262 | Toner supply system and toner cartridge | Hisashi Kunihiro, Akira Nakakuma, Fumito Mizoguchi, Kenichi Nagata | 2001-11-06 |
| 6016411 | Efficient development of an electrostatic latent image | Takahiko Kimura, Jun Yamaguchi, Masahiro Tsuji, Yoshiaki Sanada | 2000-01-18 |
| 5946530 | Developer processing apparatus provided with sealing member and sealing layer at rotary member supporting portion | Masahiro Tsuji, Takashi Miyaji, Shigeru Yamaguchi, Takahiko Kimura, Jun Yamaguchi | 1999-08-31 |
| 5619312 | Developing device with developer-supplying mechanism | Shintarou Hatano, Hiroshi Kawahito, Fumito Mizoguti, Masahiro Tsuji, Takao Hiroyasu +5 more | 1997-04-08 |
| 5166731 | Developing unit having a rotation shaft and sealing member | Toyoka Aimoto | 1992-11-24 |
| 4989539 | Developing apparatus | — | 1991-02-05 |