Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8688018 | Developing device and image forming apparatus including the same | Takafumi Wakai, Yasuyuki Tsutsumi | 2014-04-01 |
| 8090302 | Closing member for a developer containing device and method for producing such device | Kazunori Koshimori, Hirokazu Murase, Takashi Hino, Koichi Tanaka | 2012-01-03 |
| 7941073 | Toner cartridge | Seiichi Takagi, Yasushige Nakamura, Takashi Hino, Masanori Murase, Koichi Tanaka +1 more | 2011-05-10 |
| 7801469 | Toner cartridge | — | 2010-09-21 |
| 6750895 | Optical printer head with integrated drive circuitry | Tomohiko Otose, Hideki Asada, Atsushi Oda, Satoru Toguchi | 2004-06-15 |
| 6487385 | Liquid electrophotographic imaging system with a maximized solid toner ratio | Tomoyuki Yoshii, Yasuhiro Funayama, Jun Koyatsu | 2002-11-26 |
| 6472115 | Image forming apparatus and image forming method | Yasuhiro Funayama, Takeshi Hori, Tomoyuki Yoshii | 2002-10-29 |
| 6445897 | Wet-type developing apparatus and image forming apparatus using the same | Jyun Koyatsu, Ryouichi Yasuda, Tomoyuki Yoshii | 2002-09-03 |
| 6413689 | Porous photosensitive body and method of manufacturing same | Takeshi Hori, Tomoyuki Yoshii, Yasuhiro Funayama | 2002-07-02 |
| 6324366 | Sleeve rotation-feed apparatus, developing apparatus, image formation apparatus, and fixation apparatus | Yasuhiro Funayama | 2001-11-27 |
| 6275673 | Photosensitive unit, light source and image forming apparatus | Tomoyuki Yoshii, Yasuhiro Funayama, Takeshi Hori | 2001-08-14 |
| 6252620 | Image recording apparatus and image recording method | Yasuhiro Funayama, Takeshi Hori, Tomoyuki Yoshii | 2001-06-26 |
| 6093513 | Photoreceptor for electrophotography and method of manufacturing the same | Yoshinobu Takeda, Hiroyuki Endoh | 2000-07-25 |
| 6040106 | Porous photoreceptor and method for manufacturing the same | Takeshi Hori, Tomoyuki Yoshii, Yasuhiro Funayama | 2000-03-21 |
| 6022997 | Process for preparing triphenylamine compounds by using a nitrogen trihalide | Hiroyuki Endoh | 2000-02-08 |
| 5815774 | Image recording apparatus with photosensitive unit having porous insulating screen | Yasuhiro Funayama | 1998-09-29 |
| 5217835 | Two-component developer for use in dry development of electrostatic pattern | Akihiro Watanabe, Mitsushi Kuroki, Yoshihisa Kuramae, Naruo Yabe | 1993-06-08 |
| 5173388 | Developing process excellent in image reproducibility | Akihiro Watanabe, Mitsushi Kuroki, Toshio Nishino, Shoji Tomita | 1992-12-22 |