Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6517274 | Sealed joining of two parts each having joining surfaces meeting at right angles | Takaya Watanabe, Shinji Kawai | 2003-02-11 |
SH
Shinichirou Hirayama
Overall (All Time): #3,502,051 of 4,157,543Top 85%
1
Patents All Time