Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12234634 | Portable facility provided with natural energy power generation unit | Mitsuru Akagawa, Ryosuke Karasawa, Kaname Nishimura | 2025-02-25 |
| 11592004 | Vertical shaft wind power generation device and hydropower generation device accommodated in container | Ryosuke Karasawa, Mitsuru Akagawa, Kaname Nishimura | 2023-02-28 |
| 7711012 | Semiconductor device | Hiroshi Iwata, Akihide Shibata, Seizo Kakimoto | 2010-05-04 |
| 7057417 | Voltage conversion circuit and semiconductor integrated circuit device provided with it | — | 2006-06-06 |
| 6943533 | Voltage conversion circuit, semiconductor integrated circuit device, and portable terminal | — | 2005-09-13 |
| 6885229 | Voltage conversion circuit and semiconductor integrated circuit device provided therewith | Yuichi Sato | 2005-04-26 |
| 6617898 | Voltage conversion circuit and semiconductor integrated circuit device provided therewith | Yuichi Sato | 2003-09-09 |
| 6105114 | Two-dimensional array transposition circuit reading two-dimensional array in an order different from that for writing | — | 2000-08-15 |