Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11815848 | Image forming apparatus | Teruyo Ryuzaki, Satoru Nishikawa, Shinji Kawashima, Shinya MITORIDA | 2023-11-14 |
| 10850535 | Drying device and image forming apparatus | Shunsuke Yamasaki, Yasunori Momomura, Masayuki Yamagishi, Yasuhisa Gonda | 2020-12-01 |
| 10471740 | Drying unit and droplet ejection device | Yasunori Momomura, Masayuki Yamagishi, Shunsuke Yamasaki, Yasuhisa Gonda | 2019-11-12 |
| 10335726 | Gas purification device and image forming apparatus | Kokichi Kasai, Tetsuya Kawatani, Satoshi Takada | 2019-07-02 |
| 10261468 | Image forming apparatus including an air discharge duct | Fuyuki KOKUBU | 2019-04-16 |
| 10114325 | Sheet material feeding apparatus and image forming apparatus | Hiroshi Tanimoto, Yasuhiro Suzuki | 2018-10-30 |
| 9696334 | Wheel speed sensor | Moriyuki Shimizu | 2017-07-04 |
| 9158236 | Image forming apparatus having reduced manufacturing costs, and image forming unit and developing unit included therein | Yasuaki Tomoda, Naoki Nonoyama | 2015-10-13 |
| 8385767 | Image forming apparatus including a transfer belt unit, image forming units, a support member, an air flow path forming member, and an exhausting unit | Masayuki Okada, Yutaka Nakayama, Kokichi Kasai, Akio Fukuyama, Tetsuya Kawatani | 2013-02-26 |
| 8180233 | Cooling device for cooling the inside of an image forming apparatus by a fan and image forming apparatus having the cooling device | Yutaka Nakayama, Masayoshi Nishida, Kokichi Kasai, Akio Fukuyama, Masayuki Okada +2 more | 2012-05-15 |
| 7835667 | Discharger, image carrier unit, and image forming apparatus | Shigeo Ohno, Tsutomu Sugimoto, Tomoya Ichikawa, Yasuo Takayama, Yoji Yamaguchi +4 more | 2010-11-16 |
| 7756462 | Image forming apparatus and cleaning device | Jin Iwasaki, Makoto Sakanobe, Kanji Shintaku, Satoshi Shigezaki | 2010-07-13 |
| 7471924 | Cleaning unit and image forming apparatus | Satoshi Shigezaki, Hiroe Okuyama, Makoto Sakanobe, Kanji Shintaku, Satoya Sugiura +2 more | 2008-12-30 |
| 5853201 | Coolant pipe connecting coupling | Ryouiti Izumi, Kenji Ogura, Soujiro Tsuchiya, Keiiti Isogai | 1998-12-29 |
| 5842081 | Method and apparatus for charging an electrographic photoreceptor | Yoichi Kaname, Akio Arai, Ryuji Katsuno, Yasutomo Ishii, Jin Iwasaki | 1998-11-24 |
| 5727411 | Method of forming grooves on metal pipe and groove-forming apparatus | Tetsuya Sakakibara | 1998-03-17 |
| 5697246 | Pressing method and pressing apparatus for the same | Keiji Sasaki | 1997-12-16 |
| 5655188 | Charging device and image forming appparatus | Yuki Nagamori, Tsutomu Sugimoto | 1997-08-05 |
| 5625948 | Method for producing a pipe and apparatus for the same | Makoto Ito, Nobuyuki Morikawa, Ryoiti Izumi, Kenji Ogura | 1997-05-06 |
| 5582027 | Modulator integrated type refrigerant condenser | Norimasa Baba, Ken Yamamoto, Michiyasu Yamamoto, Yasushi Yamanaka, Hiroki Matsuo +2 more | 1996-12-10 |
| 5509288 | Forming roller for corrugated fin | Tetuo Ohno, Hisashi Kobayashi, Yoshinobu Matuzaki | 1996-04-23 |
| 5390519 | Method for manufacturing long products by press working | Takao Ikeda, Kazutoshi Yamamoto, Tamotsu Inoue | 1995-02-21 |
| 5295303 | Method of making a corrugated fin | Yuji Ogawa, Yasuo Abe | 1994-03-22 |
| 4900636 | Metal plate laminated body | Syoishi Takenouchi, Kazuhiro Morita, Shinichi Ezaka | 1990-02-13 |