Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7784219 | Door opening and closing mechanism | Takashi Yoshikawa, Toru Hasegawa | 2010-08-31 |
WN
Wataru Nakahama
Overall (All Time): #3,300,580 of 4,157,543Top 80%
1
Patents All Time