Issued Patents 2016
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9494881 | Triarylamine derivative and electrophotographic photosensitive member | Fumio Sugai, Kensuke Kojima | 2016-11-15 |
| 9454091 | Hydrazone derivative of triphenylamine and electrophotographic photosensitive member | Kensuke Kojima, Fumio Sugai | 2016-09-27 |
| 9447022 | Triarylamine derivative and electrophotographic photosensitive member | Fumio Sugai, Kensuke Kojima | 2016-09-20 |
| 9436105 | Triarylamine derivative and electrophotographic photosensitive member | Kensuke Kojima, Fumio Sugai | 2016-09-06 |
| 9429859 | Electrophotographic photosensitive member | Jun Azuma | 2016-08-30 |
| 9404547 | Steel for high-strength spring, method for producing same, and high-strength spring | Akira Tange, Koichi Tango, Isao Sumiyoshi | 2016-08-02 |
| 9383664 | Electrophotographic photosensitive member | — | 2016-07-05 |
| 9376371 | Triphenylamine derivative, method for manufacturing the same, and electrophotographic photosensitive member | Fumio Sugai, Kensuke Kojima, Kenji KITAGUCHI | 2016-06-28 |
| 9348243 | Electrophotographic photosensitive member | — | 2016-05-24 |
| 9314870 | Friction stir spot welding device and friction stir spot welding method | Hajime Kashiki, Kazumi Fukuhara, Mitsuo Fujimoto | 2016-04-19 |
| 9302343 | Process for spot-joining stacked metal foils | Masaki Kumagai, Arinobu Mori, Kenji Hayafuji | 2016-04-05 |
| 9256144 | Electrophotographic photosensitive member and image forming apparatus | Keiji Maruo | 2016-02-09 |