Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11888396 | Chopper circuit | — | 2024-01-30 |
| 10498233 | Bidirectional chopper circuit | Hirofumi Akagi | 2019-12-03 |
| 10103645 | Power converter | Hirofumi Akagi | 2018-10-16 |
| 9496805 | Single-phase power converter, three-phase two-phase power converter, and three-phase power converter | Hirofumi Akagi | 2016-11-15 |
| 9379632 | Power converter and method for controlling same | Hirofumi Akagi | 2016-06-28 |
| 5791446 | Viscous coupling having a toothed hub used as a carrier for the inner | Manfred Hofer | 1998-08-11 |
| 5662196 | Viscous coupling having a toothed hub used as carrier for the inner plates | Manfred Hofer | 1997-09-02 |
| 5616096 | Differential gear unit | — | 1997-04-01 |
| 5404978 | Viscous coupling | — | 1995-04-11 |
| 5161658 | Viscous coupling | — | 1992-11-10 |
| 5145470 | Power delivering apparatus | — | 1992-09-08 |
| 5080210 | Viscous coupling | — | 1992-01-14 |
| 4805486 | Locking differential gear assembly | Masao Teraoka | 1989-02-21 |
| 4735108 | Power transmission device | Masao Teraoka, Osamu Ishikawa | 1988-04-05 |