Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9893509 | Semiconductor switch and power conversion apparatus | Hiroshi Mochikawa, Atsuhiko Kuzumaki, Yushi Koyama | 2018-02-13 |
| 9257248 | Semiconductor switch and power conversion apparatus | Hiroshi Mochikawa, Atsuhiko Kuzumaki, Yushi Koyama | 2016-02-09 |
| 8514596 | System interconnection inverter with bypass path | Yushi Koyama, Hiroshi Mochikawa | 2013-08-20 |
| 8472215 | Grid-tie inverter for interconnecting AC voltage to electric power grid | Yushi Koyama, Hiroshi Mochikawa | 2013-06-25 |
| 8089780 | Semiconductor switch and power conversion system provided with semiconductor switch | Hiroshi Mochikawa, Tateo Koyama, Atsuhiko Kuzumaki | 2012-01-03 |
| 6396723 | Rectifier and transformer thereof | Hiroshi Mochikawa | 2002-05-28 |
| 6036550 | Connector holder | Masato Naganawa, Yutaka Ushiro | 2000-03-14 |
| 5745784 | Method for changing an external storage medium in an information processing system | — | 1998-04-28 |
| 5371749 | Apparatus for preventing an error operation during part withdrawal | — | 1994-12-06 |