Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11618815 | Resin composition, molded body, electronic part, and electronic device | Natsuki KOIKE, Mitsuyo Matsumoto, Yoshitaka Sekiguchi | 2023-04-04 |
| 8315535 | Cleaning unit, process cartridge incorporating same, and image forming apparatus incorporating the cleaning unit | Takeshi Shintani, Nobuo Kuwabara, Satoshi Hatori, Daisuke Tomita, Akio Kosuge +3 more | 2012-11-20 |
| 8280293 | Image forming apparatus | Takeshi Shintani, Nobuo Kuwabara, Satoshi Hatori, Daisuke Tomita, Akio Kosuge +3 more | 2012-10-02 |
| 8204423 | Cleaning device with accumulation prevention, process cartridge, and image forming apparatus including same | Satoshi Hatori, Takaya Muraishi, Takeshi Shintani, Akio Kosuge, Kaoru Yoshino +4 more | 2012-06-19 |
| 8204422 | Image forming apparatus and process cartridge having a charging unit | Satoshi Hatori, Kaoru Yoshino, Takaya Muraishi, Akio Kosuge, Takeshi Shintani | 2012-06-19 |
| 8095059 | Image forming apparatus with coating mode | Takeshi Shintani, Satoshi Hatori, Kaoru Yoshino, Akio Kosuge, Takaya Muraishi | 2012-01-10 |
| 7995947 | Image forming apparatus, and charging device and process cartridge used in the image forming apparatus | Kaoru Yoshino, Takaya Muraishi, Akio Kosuge, Takeshi Shintani, Satoshi Hatori | 2011-08-09 |
| 7899383 | Lubricating device, lubricant applicator, and priming agent used therewith | Takeshi Shintani, Takaya Muraishi, Satoshi Hatori, Akio Kosuge, Kaoru Yoshino | 2011-03-01 |
| 7873291 | Image forming apparatus and process cartridge including charging bias adjustment control | Akio Kosuge, Takaya Muraishi, Takeshi Shintani, Satoshi Hatori, Kaoru Yoshino | 2011-01-18 |
| 7835683 | Cleaning unit, image carrying unit and image forming apparatus using the same | Takaya Muraishi, Takeshi Shintani, Satoshi Hatori, Akio Kosuge, Kaoru Yoshino | 2010-11-16 |
| 7756439 | Image forming apparatus and process cartridge used therein | Akio Kosuge, Takaya Muraishi, Takeshi Shintani, Satoshi Hatori, Kaoru Yoshino | 2010-07-13 |
| 7532849 | Cleaning device for removing toner from an image bearing member | Yosuke Saito | 2009-05-12 |
| 6868252 | Cleaning device and image forming apparatus using the same | — | 2005-03-15 |
| 6577842 | Image forming method and apparatus with toner recycling unit | Fumihito Itoh | 2003-06-10 |
| 6529788 | Recycling system and recycling method | Tatsuo Tani, Kiyoshi Sakai, Shohzoh Miyawaki, Teruzo Hasumi, Mitsuaki Urakawa +3 more | 2003-03-04 |
| 5983059 | Recyclable toner container for an image forming apparatus | Seiji Oka, Masumi Ikesue, Masakazu Nakada, Hiroyasu Itou | 1999-11-09 |
| 5857132 | Apparatus and method for cleaning a transfer device of an image forming apparatus | Haruji Mizuishi, Hisashi Fuzisaki, Mayumi Yoshida, Kenji Karashima | 1999-01-05 |
| 5822664 | Developing machine which uses a developing agent including a toner and magnetic particles | Seiji Oka, Hajime Oyama, Kiyonori Tsuda | 1998-10-13 |
| 5805965 | Developing device for an image forming apparatus having developer distribution features | Kiyonori Tsuda, Seiji Oka, Hajime Oyama | 1998-09-08 |
| 5771429 | Developing device capable of automatic toner content control | Hajime Oyama, Seiji Oka, Kiyonori Tsuda | 1998-06-23 |
| 5758241 | Developing device for an image forming apparatus | Hajime Oyama, Seiji Oka, Kiyonori Tsuda | 1998-05-26 |
| 5659860 | Developing device for an image forming apparatus and toner cartridge | Fumihiro Sasaki, Satoshi Mochizuki, Hidefumi Gohhara, Megumi Sakakura, Seiji Oka +2 more | 1997-08-19 |