Issued Patents 2021
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11167335 | Method for producing pipe material | Hiroshi Kawamoto, Toyoaki Yasui, Yoichi Sano | 2021-11-09 |
YK
Yoshihiro Kiyota
Overall (2021): #199,481 of 548,734Top 40%
1
Patents 2021