Issued Patents 2017
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9812652 | Cyclic azine compound having adamantyl group, production method, and organic electroluminescent device containing it as constituent component | Nobumichi Arai, Tsuyoshi Tanaka | 2017-11-07 |
| 9780310 | Heterocyclic compound for organic electroluminescent device and its application | Yuji Oka, Nobumichi Arai, Yuuichi Miyashita, Tadahiro Yotsuya, Kana Fujita +2 more | 2017-10-03 |
| 9632479 | Process cartridge and image forming apparatus | Hideki Maeshima, Masato Tanabe, Hiroki Shimizu | 2017-04-25 |
| 9625852 | Cleaning unit, process cartridge and image forming apparatus | Hiroki Shimizu, Susumu Nittani, Hideki Kakuta | 2017-04-18 |