Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11194261 | Electrostatic charge image developing toner | Masaya Ota, Yuki Narukawa, Masaaki Okamoto | 2021-12-07 |
| 10725392 | Electrostatic charge image developing toner | Kumiko Kameya, Yuki Narukawa, Masaya Ota, Tetsuharu Yuge | 2020-07-28 |
| 10551755 | Electrostatic charge image developing toner | Masaya Ota, Yuki Narukawa, Masaaki Okamoto | 2020-02-04 |
| 9612544 | Electrostatic image developing toner | Akihiko Yanagibori | 2017-04-04 |
| 8273509 | Electrophotographic photoreceptor, and image forming device and electrophotographic photoreceptor cartridge using the same member cartridge | Yuka Nagao, Tadashi Mizushima, Masami Tsurumori, Hiroaki Takamura, Shunichirou Kurihara +2 more | 2012-09-25 |
| D652842 | Display screen with an icon image | Tomoko Obama, Takanori Ogawa | 2012-01-24 |
| 6785055 | Zoom lens system | Jun Nishikawa | 2004-08-31 |
| 6558007 | Illumination optical system and image projection apparatus | Shigeru Sawamura, Katsuhiro Takamoto | 2003-05-06 |