Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10265762 | Cast-in structure and cast-in mold for vehicle component | Shunzo Aoyama, Masaharu Matsumoto, Sadahiro Sekine | 2019-04-23 |
| 8181654 | Condom rolled on a rigid ring sheathed with a rotor | — | 2012-05-22 |
| 8101886 | Welding article and welding method of carrying out an alternating current arc welding | Keiji Nakahara, Emi Yanagihara, Shunzo Aoyama | 2012-01-24 |
| 5035931 | Multi-layer parison, multi-layer bottle and apparatus for and method of manufacturing parison and bottle | Tsutoo Yamada, Kenichi Morizumi, Yuji Kamegai, Takemi Shibuya | 1991-07-30 |