Issued Patents All Time
Showing 26–46 of 46 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9031450 | Toner collection unit and image forming apparatus incorporating same | Tetsushi Sakuma, Takeshi Sakashita, Kenji Nakamura, Yuuji Meguro, Mitsutoshi Kichise | 2015-05-12 |
| 9007409 | Optical writing head positioning mechanism, process cartridge, and image forming apparatus | Kenji Nakamura, Tamotsu Ikeda, Yasuhide Matsuno, Minoru Toyoda, Takahiro Yoshimi | 2015-04-14 |
| 8983357 | Powder transport device and image forming apparatus incorporating same | Takeshi Sakashita, Yuuji Meguro, Mitsutoshi Kichise, Tetsushi Sakuma, Masato Tsuji | 2015-03-17 |
| 8971752 | Belt device and image forming apparatus | Yuuji Meguro, Takeshi Sakashita, Tetsushi Sakuma, Mitsutoshi Kichise | 2015-03-03 |
| 8903283 | Shutter assembly, powder container, cleaning device, and image forming apparatus | Manabu Hamada, Masato Tsuji, Yoshiyuki Shimizu, Tomohiro Kubota, Shoh Tsuritani | 2014-12-02 |
| 8811859 | Developer container, development device, process unit, and image forming apparatus | Shoh Tsuritani, Yoshiyuki Shimizu, Tomohiro Kubota, Naoki Nakatake | 2014-08-19 |
| 8805214 | Image forming apparatus | Kenji Nakamura, Tomohiro Kubota, Yoshiyuki Shimizu, Masato Tsuji, Shoh Tsuritani | 2014-08-12 |
| 8792808 | Developer container, developing device, process unit, and image forming apparatus | Tomohiro Kubota, Naoki Nakatake, Yoshiyuki Shimizu, Shoh Tsuritani, Manabu Hamada +1 more | 2014-07-29 |
| 8768203 | Image forming apparatus capable of effectively utilizing interior space | Manabu Hamada, Tomofumi Yoshida, Hirobumi Ooyoshi, Yoshiyuki Shimizu, Takeru Muramatsu +6 more | 2014-07-01 |
| 8744321 | Developer container, developing device, process unit, and image forming apparatus | Tomohiro Kubota, Naoki Nakatake, Yoshiyuki Shimizu, Shoh Tsuritani, Manabu Hamada +1 more | 2014-06-03 |
| 7962055 | Image forming apparatus | Yasuo Takuma, Masaki Tsuchiya, Nobuaki Fukasawa | 2011-06-14 |
| 7796905 | Multicolor image forming apparatus | Haruyuki Honda, Masahiko Saito, Masashi Yamamoto, Yasuo Takuma | 2010-09-14 |
| 7493063 | Image-forming device comprising a contact charging unit | Yasuo Takuma, Masashi Yamamoto | 2009-02-17 |
| 7463849 | Image forming apparatus including static pre-eliminator | Yasuo Takuma, Masashi Yamamoto | 2008-12-09 |
| 7142794 | Image forming apparatus | Kazuhiro Wakamatsu, Masahiko Saito, Masashi Yamamoto, Yasuo Takuma | 2006-11-28 |
| 6300412 | Process for preparation of rubber-modified aromatic vinyl resin compositions | Yasuji Shichijo | 2001-10-09 |
| 6160052 | Rubber-modified aromatic vinyl resin composition and process for the production thereof | Masayuki Nozawa, Yasuji Shichijo | 2000-12-12 |
| 6031050 | Rubber-modified styrenic resin composition | Masayuki Nozawa, Yasuji Shichijo | 2000-02-29 |
| 5747593 | Process for producing rubber-modified styrene resin | Masayuki Nozawa, Yasuji Shichijo | 1998-05-05 |
| 5349012 | Process for preparing rubber-modified styrene resins | Toshio Fujita, Naoto Takeda, Koji Hirashima | 1994-09-20 |
| 5244977 | Process for preparing rubber-modified styrene resins | Akifumi Hayakawa, Hiroyuki Shibata, Yoshitaka Sakamaki | 1993-09-14 |