Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5516376 | Method of, and apparatus for manufacturing a gear with a central through hole | Kiyoshi Ohkawachi, Shinji Fushimi, Shunzo Umegaki, Takashi Matsumoto | 1996-05-14 |
TT
Tetsuo Tsukamoto
Nittan Valve Co.: 1 patents #49 of 98Top 50%
Overall (All Time): #3,742,652 of 4,157,543Top 95%
1
Patents All Time