Issued Patents 2017
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9676596 | Elevator refurbishing method | Kazuhiro Yoshikawa, Hideki Miyahara, Kazuhiro Sasaki | 2017-06-13 |
YT
Yoshinao Takahashi
Overall (2017): #184,972 of 506,227Top 40%
1
Patents 2017