Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9915887 | Toner for development of electrostatic images | Masaya Ota | 2018-03-13 |
| 8974998 | Method of image forming with a photoreceptor and toner | Teruyuki Mitsumori, Kozo Ishio, Hiroaki Takamura, Masaya Oota, Takeshi Oowada +4 more | 2015-03-10 |
| 8871413 | Toners for electrostatic-image development, cartridge employing toner for electrostatic-image development, and image-forming apparatus | Yuzo Kaneko, Masaya Oota, Masakazu Sugihara, Teruki Senokuchi, Shiro Yasutomi +6 more | 2014-10-28 |
| 8741530 | Image forming apparatus | Teruyuki Mitsumori, Kozo Ishio, Hiroaki Takamura, Masaya Oota, Takeshi Oowada +4 more | 2014-06-03 |
| 8283097 | Process for producing toner for electrostatic charge image development toner for electrostatic charge image development | Masatoshi Maruyama, Hiroya Kodama, Masaya Oota | 2012-10-09 |
| 8221950 | Image forming apparatus | Teruyuki Mitsumori, Kozo Ishio, Hiroaki Takamura, Masaya Oota, Takeshi Oowada +4 more | 2012-07-17 |
| 8211602 | Image forming apparatus | Teruyuki Mitsumori, Kozo Ishio, Hiroaki Takamura, Masaya Oota, Takeshi Oowada +4 more | 2012-07-03 |
| 8064796 | Image forming apparatus | Teruyuki Mitsumori, Kozo Ishio, Hiroaki Takamura, Masaya Ota, Takeshi Oowada +4 more | 2011-11-22 |
| 5319045 | Copolymer and composition containing the copolymer | Takayuki Ohta, Hiroaki Yamaoka, Junichi Gotoh | 1994-06-07 |
| 5124431 | Process for producing azo group-containing polymer having azo group in main chain | Takayuki Ohta, Ryoko Aso | 1992-06-23 |