Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6568135 | Sound absorbing structure | Shinji Migita, Shinichi Okuzono, Kyoji Fujiwara, Takuya Fujimoto, Yukio Hattori | 2003-05-27 |
YY
Yoshiaki Yokoyama
Overall (All Time): #3,512,149 of 4,157,543Top 85%
1
Patents All Time