Issued Patents 2017
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9783491 | Quinone derivative and electrophotographic photosensitive member | Hideki Okada, Kensuke Kojima | 2017-10-10 |
| 9783493 | Quinone derivative and electrophotographic photosensitive member | Hideki Okada, Kensuke Kojima | 2017-10-10 |
| 9690217 | Triarylamine derivative, electrophotographic photosensitive member, and image forming apparatus | Hideki Okada, Kensuke Kojima, Hiroki Tsurumi, Yohei Yamamoto, Eiichi Miyamoto | 2017-06-27 |
| 9684253 | Triphenylamine derivative, electrophotographic photosensitive member, and image forming apparatus | Hideki Okada, Kensuke Kojima, Hiroki Tsurumi, Yohei Yamamoto, Eiichi Miyamoto | 2017-06-20 |
| 9581921 | Electrophotographic photosensitive member | Hideki Okada, Kensuke Kojima | 2017-02-28 |