Issued Patents 2019
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10490408 | Method for manufacturing semiconductor device | Junya Nishii, Tohru Oka | 2019-11-26 |
| 10310441 | Electrophotographic image forming apparatus, and electricity removing member used in image forming apparatus | Shingo Sakato, Kiyotaka Kobayashi, Hiroka Itani, Takuji Watanabe, Eriko Hayashi | 2019-06-04 |
| 10256323 | Method of manufacturing semiconductor device including an n type semiconductor region formed in a p type semiconductor layer | Tohru Oka | 2019-04-09 |
| 10177234 | Semiconductor device | Tohru Oka | 2019-01-08 |