Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10081852 | Solder preform and a process for its manufacture | Naohiko Hirano, Akira Tanahashi, Yoshitsugu Sakamoto, Kaichi Tsuruta, Takashi Ishii | 2018-09-25 |
| 7793820 | Solder preform and a process for its manufacture | Naohiko Hirano, Akira Tanahashi, Yoshitsugu Sakamoto, Kaichi Tsuruta, Takashi Ishii | 2010-09-14 |
| 6652672 | Material for bearing parts | Masao Goto | 2003-11-25 |