Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4417754 | Pipe joint for preventing separation | Tadao Yamaji, Toshi Nakajima | 1983-11-29 |
TK
Takeshi Kashi
Overall (All Time): #4,061,446 of 4,157,543Top 100%
1
Patents All Time