Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11633952 | Liquid discharge head and liquid discharge apparatus | — | 2023-04-25 |
| 10634247 | Piston structure for engine | Kazuo Ichikawa, Osamu Aoki, Takashi Ikai, Yoshiyuki Koga, Shinichi Fujimaki | 2020-04-28 |
| 10576742 | Liquid discharge head and liquid discharge apparatus | Takakazu Kihira, Tomoaki Murakami, Masami Iwama | 2020-03-03 |
| 10352269 | Method of producing piston for engine | Takashi Ikai, Yoshiyuki Koga | 2019-07-16 |
| 8295732 | Electrophotographic photosensitive member and method of producing the same | — | 2012-10-23 |
| 7941070 | Electrophotographic photosensitive member and image forming apparatus using same | — | 2011-05-10 |
| 7931332 | Rear-seat occupant protection apparatus | Yasuyuki Andou, Shiro Nakatani, Yukio Nakamura | 2011-04-26 |
| 7759034 | Electrophotographic photosensitive member, method of producing the same and image forming apparatus | — | 2010-07-20 |
| 7751754 | Image forming apparatus provided with an electrophotographic photosensitive member | — | 2010-07-06 |
| 6756790 | Impedance detection circuit, impedance detection device, and impedance detection method | Masami Yakabe, Toshiyuki Matsumoto, Yoshihiro Hirota | 2004-06-29 |
| D458288 | Digital camera | Tomoyuki SAKURAI | 2002-06-04 |
| 4587592 | Zinc oxide lightning protector | Seiichi Maruyama, Seizo Nakano, Masatomo Sato | 1986-05-06 |