Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D530352 | Bernoulli effect air nozzle for silicone wafer pickup tool | Hitoshi Iwasaka, Hideyuki Tokunaga | 2006-10-17 |
| 6506518 | Lithium secondary battery | Yoshimasa Koishikawa, Kensuke Hironaka | 2003-01-14 |