Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6629707 | Pipe jointing unit | Naoki Yamaguchi, Yoshiaki Kanoh | 2003-10-07 |
TY
Toshihiko Yamanaka
Overall (2003): #99,240 of 273,478Top 40%
1
Patents 2003