Issued Patents All Time
Showing 1–25 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11011612 | Semiconductor device | Keisuke Tsutsumi | 2021-05-18 |
| 10833037 | Semiconductor device | — | 2020-11-10 |
| 10483227 | Semiconductor device | — | 2019-11-19 |
| 10379564 | Constant voltage generating circuit | Genki Tsuruyama | 2019-08-13 |
| 10355589 | Switching regulator | Tetsuo Tateishi, Yuhei Yamaguchi, Shingo Hashiguchi | 2019-07-16 |
| 10281969 | Semiconductor package | — | 2019-05-07 |
| 10276533 | Semiconductor device | — | 2019-04-30 |
| 10008932 | Synchronous rectification DC/DC converter | — | 2018-06-26 |
| 9996097 | Constant voltage generating circuit | Genki Tsuruyama | 2018-06-12 |
| 9984990 | Semiconductor device | — | 2018-05-29 |
| 9607927 | Semiconductor device | — | 2017-03-28 |
| 8558529 | Control circuit for synchronous rectification type step-down switching regulator | Masaru Sakai | 2013-10-15 |
| 8111051 | Step-down switching regulator | Masaru Sakai | 2012-02-07 |
| 8072201 | Power supply apparatus | Ko Takemura | 2011-12-06 |
| 7663355 | Power supply apparatus | Ko Takemura | 2010-02-16 |
| 7612545 | DC/DC converter | Ko Takemura | 2009-11-03 |
| 7595620 | Switching regulator | Masaru Sakai, Shogo Hachiya | 2009-09-29 |
| 7486061 | Power supply apparatus | Ko Takemura | 2009-02-03 |
| 7202652 | Motor driving apparatus incorporating switch device driving apparatus | Ko Takemura | 2007-04-10 |
| 7148667 | Power supply apparatus | Ko Takemura | 2006-12-12 |
| 7095219 | Electric power supply unit having improved output voltage response | Ko Takemura, Kenichi Nakata | 2006-08-22 |
| 7061735 | Semiconductor device | — | 2006-06-13 |
| 7046533 | DC/DC converter | Ko Takemura | 2006-05-16 |
| 7045915 | Power supply unit having multiple power supply outputs | Kenji Otani | 2006-05-16 |
| 6954055 | Switching device driving apparatus and DC/DC converter incorporating the same | Ko Takemura | 2005-10-11 |