Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11402885 | Electric power supply system | Tomonori Tsutsui | 2022-08-02 |
| 11126237 | Electric power supply system | Tomonori Tsutsui | 2021-09-21 |
| 9939849 | System with electronic device and extension device | Yutaka Horie, Akio Kanou | 2018-04-10 |
| 9785212 | Dock with battery for charging electronic device battery with voltage conversion | Yutaka Horie, Akio Kanou | 2017-10-10 |
| 9768563 | Electronic apparatus | Yutaka Horie, Akio Kanou | 2017-09-19 |
| 7221111 | Switching power supply device and method of controlling the switching device | — | 2007-05-22 |
| 6947296 | Switching power supply circuit and electronic device | — | 2005-09-20 |
| 4724478 | Cable television communication system with passive sensor signal path and a subscriber power supply source | Akinori Masuko, Akio Ogawa, Yasuhiro Muramatsu, Robert M. Rast, W. Sherwood Campbell | 1988-02-02 |
| 4613826 | Frequency synthesizer for CATV tuner | Akinori Masuko, Wataru Kuroiwa, Yasufumi Shimizu | 1986-09-23 |