Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8019258 | Developing apparatus | Shinichi Nishida, Yasushi Shimizu, Kazunari Hagiwara, Katsuhiro Sakaizawa, Rie Endo +1 more | 2011-09-13 |
| 7929009 | Electrophotographic photosensitive drum, electrophotographic image forming apparatus, and method of manufacturing electrophotographic photosensitive drum | Ryuji Yamamoto | 2011-04-19 |