Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6605922 | Battery pack provided with authentication circuitry | Mikitaka Tamai | 2003-08-12 |
| 6582833 | Ti-base wire rod for forming molten metal | Makoto Chujoya, Shigeo Hanajima, Takashi Suzuki, Takashi Orii, Takao Shimizu +3 more | 2003-06-24 |
| 6538234 | Gas shielded arc welding method | Noboru Yamamoto, Shigeo Hanajima | 2003-03-25 |