Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8505510 | Sliding member and surface treatment method for the same | Keiichi Maekawa, Atsushi Murakami | 2013-08-13 |
| 6470841 | Valve operating system for internal combustion engines | Atsushi Takahashi, Masayasu Tajima, Chikara Tanaka, Takeya Harada, Noriyuki Yamada | 2002-10-29 |