Issued Patents 2021
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10915056 | Drum cartridge and method for manufacturing drum cartridge | Hiroshi Koyama, Atsushi Endo, Tomonori Kitan | 2021-02-09 |
SI
Shotaro Ishihara
Overall (2021): #263,715 of 548,734Top 50%
1
Patents 2021