Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8071905 | Gas circuit breaker | Daisuke Yoshida, Haruhiko Kohyama | 2011-12-06 |
| 8030590 | Gas-circuit breaker | Daisuke Yoshida, Haruhiko Kohyama | 2011-10-04 |
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Yuji Yoshitomo
Overall (2011): #54,999 of 364,097Top 20%
2
Patents 2011