Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9983381 | Lens barrel and optical instrument | — | 2018-05-29 |
| 9878551 | Liquid container and liquid ejection system | Taku Ishizawa, Yuki Takeda, Shuichi Koganehira | 2018-01-30 |
YS
Yoshiaki Shimizu
Seiko Epson: 1 patents #596 of 1,382Top 45%
Overall (2018): #86,996 of 503,207Top 20%
2
Patents 2018