Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11167556 | Ink tank and ink jet printing apparatus | Koki Shimada, Hideaki Matsumura, Masaya Shimmachi, Yukimichi Kimura, Takahiro Kiuchi +2 more | 2021-11-09 |
JK
Junichi Kubokawa
Overall (2021): #387,825 of 548,734Top 75%
1
Patents 2021