Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6470841 | Valve operating system for internal combustion engines | Atsushi Takahashi, Takaaki Harasaki, Chikara Tanaka, Takeya Harada, Noriyuki Yamada | 2002-10-29 |
MT
Masayasu Tajima
Tanaka Seimitsu Kogyo Co.: 1 patents #7 of 34Top 25%
Overall (All Time): #3,561,710 of 4,157,543Top 90%
1
Patents All Time