Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10108109 | Developing device and image forming apparatus | Yasutomo Ishii, Toshiaki Suzuki, Hiroaki Okuma, Daisuke UCHIMITSU, Ryo Fukuno | 2018-10-23 |
| 8826083 | Information processing apparatus, information processing method, image forming apparatus, image forming method, and computer readable medium | Naoya Yamasaki, Matsuyuki Aoki, Toru IWANAMI, Kenjo Nagata | 2014-09-02 |
| 8725872 | Information processing apparatus, image forming apparatus, information processing method, image forming method, and computer readable medium | Toru IWANAMI, Naoya Yamasaki, Matsuyuki Aoki, Kenjo Nagata | 2014-05-13 |
| 8610982 | Image forming apparatus | Shinichi Tsunoda, Naoya Yamasaki | 2013-12-17 |
| 8311426 | Image forming apparatus | Yasunori Unagida, Naoya Yamasaki, Takeshi Yasuda, Hidefumi Tanaka | 2012-11-13 |
| 8248640 | Image forming apparatus, controlling unit, image forming method and computer readable medium | Satoshi Tanaka, Matsuyuki Aoki, Yasunori Unagida, Naoya Yamasaki | 2012-08-21 |
| 7974568 | Image forming apparatus, controller, computer readable medium and image forming condition adjustment method | Naoya Yamasaki, Matsuyuki Aoki, Yasunori Unagida, Satoshi Tanaka | 2011-07-05 |
| 7929870 | Image forming apparatus with a toner dispensing control unit | Masayuki Aratake, Naoya Yamasaki | 2011-04-19 |
| 7869724 | Image density control device and image forming apparatus | Naoya Yamasaki, Toru Yoshida | 2011-01-11 |
| 7751731 | Image forming apparatus having a toner concentration sensor | Shigeru Tsukada, Naoya Yamasaki, Masayuki Aratake | 2010-07-06 |
| 7701423 | Image display device and method | Yasufumi Suwabe, Yoshiro Yamaguchi, Yoshinori Machida, Motohiko Sakamaki, Atsushi Hirano +2 more | 2010-04-20 |
| 7623799 | Image forming apparatus | Shigeru Tsukada, Naoya Yamasaki, Masayuki Aratake | 2009-11-24 |
| 7539426 | Image forming apparatus having a toner concentration sensor | Shigeru Tsukada, Naoya Yamasaki, Masayuki Aratake | 2009-05-26 |
| 7536116 | Image forming apparatus with a plurality of development devices | Naoya Yamasaki, Masayuki Aratake, Shigeru Tsukada | 2009-05-19 |
| 7400838 | Image forming apparatus with toner concentration detection unit | Masayuki Aratake, Naoya Yamasaki, Shigeru Tsukada | 2008-07-15 |
| 7389059 | Image forming apparatus having a toner concentration sensor | Shigeru Tsukada, Naoya Yamasaki, Masayuki Aratake | 2008-06-17 |
| 7366430 | Rotary-type developing device and image forming apparatus | Shigeru Tsukada, Naoya Yamasaki, Masayuki Aratake | 2008-04-29 |