Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10920301 | Aluminum alloy casting having superior high-temperature strength and thermal conductivity, method for manufacturing same, and aluminum alloy casting piston for internal combustion engine | Izumi Yamamoto, Kazuhiro Oda, Hisayasu Kojima, Naoko Sato, Ryo Wakabayashi | 2021-02-16 |
| 8640669 | Piston for an internal combustion engine | Fumikazu Nakazawa, Naoko Sato, Junya Yoshizawa | 2014-02-04 |
| 7398754 | Piston for internal combustion engine | Naoko Sato, Hisayasu Kojima, Kouji Katsumata, Takashi Shiraishi | 2008-07-15 |