Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11988634 | Ion generation apparatus and ion mobility analysis apparatus | SHOHEI KOMARU, Katsuhiko KYUHKEN, Tadashi Iwamatsu | 2024-05-21 |
| 11551902 | Electron emitting element | Tadashi Iwamatsu, Tomohiro Kosaka, Kazuya Tsujino, Reshan Maduka Abeysinghe | 2023-01-10 |
| 11485950 | Cell stimulation device, cell culture device, and cell stimulation method | Hiroyuki Hirakawa, Haruo Yamamoto, Tadashi Iwamatsu, Yasuhiro Sakamoto, Hiroyuki Yamaji +3 more | 2022-11-01 |
| 11205555 | Electron emission element and method for manufacturing same | Tadashi Iwamatsu, Kazuya Tsujino, Reshan Maduka Abeysinghe, Tomohiro Kosaka | 2021-12-21 |
| 10763068 | Electron emission element and method for same | Hidekazu Hayashi, Tokio Taguchi, Kenichiro Nakamatsu, Tadashi Iwamatsu, Mai Takasaki +2 more | 2020-09-01 |
| 10692680 | Electron emission device and method for manufacturing the same | Kenichiro Nakamatsu, Tokio Taguchi, Mai Takasaki, Tadashi Iwamatsu | 2020-06-23 |
| 10643815 | Electron emission device, method for manufacturing same, and method for manufacturing electronic device | Kenichiro Nakamatsu, Hidekazu Hayashi, Tokio Taguchi, Tadashi Iwamatsu, Mai Takasaki +2 more | 2020-05-05 |
| 7894741 | Cleaning device which cleans a contact charging member that is disposed in contact with an image bearing member | Tohru Sakuwa | 2011-02-22 |
| 7706703 | Changing the charging applied voltage control in an image forming apparatus based on an increase in the cumulative number of times of execution of image forming | Tohru Sakuwa | 2010-04-27 |
| 7236717 | Rotatable roller, image forming apparatus employing same, and image forming apparatus cartridge employing same | Hiroshi Ishii | 2007-06-26 |
| 7010236 | Equipment unit with imperceptible information recorded thereon being used with an image forming device and an image forming device comprising the same | Hideyuki Nishimura, Takafumi Nagai, Takeshi Murata, Keiko Yutani, Hitoshi Nagahama | 2006-03-07 |
| 6957024 | Image forming device, toner and copy | Hideyuki Nishimura, Takeshi Murata, Satoshi Machino, Keiko Yutani, Hitoshi Nagahama | 2005-10-18 |