Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7579554 | Heat sink arrangement for electrical apparatus | Kenzo Danjo, Masao Katooka, Shuji Yokoyama | 2009-08-25 |
| 7457139 | Power supply apparatus for arc-utilizing apparatuses | Tetsuro Ikeda, Kenzo Danjo, Yuji Ikejiri | 2008-11-25 |