Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10567637 | Methods and apparatus for autofocus | Yoshihisa Tabuchi | 2020-02-18 |
| 10165170 | Methods and apparatus for autofocus | Yoshihisa Tabuchi | 2018-12-25 |
| 8773122 | Hall element control circuit | Hiroyuki Tsuda, Tomonori Kamiya, Hiroki Nagai | 2014-07-08 |
| 8190014 | Focus control circuit for adjusting the focus by moving a lens | Hiroyuki Tsuda | 2012-05-29 |
| 8131143 | Focus control circuit for adjusting the focus by moving a lens | Hiroki Nagai, Tomonori Kamiya | 2012-03-06 |
| 7432680 | Circuit and method for controlling motor | Tomonori Kamiya, Yukihiko Shigeoka, Naohiro Nishiwaki | 2008-10-07 |