Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12348254 | Detection circuit and communication system | — | 2025-07-01 |
| 12348342 | Communication device | Hiroaki Shimizu | 2025-07-01 |
| 12101137 | Magnetic coupling device and communication system | Tsuneo Suzuki, Hiroaki Ishihara | 2024-09-24 |
| 11451254 | Communication device | — | 2022-09-20 |
| 11258481 | Magnetic coupling device and communication system | Tsuneo Suzuki, Hiroaki Ishihara | 2022-02-22 |
| 10917139 | Magnetic coupling device and communication system | Tsuneo Suzuki, Hiroaki Ishihara | 2021-02-09 |
| 9859260 | Optical coupling device having a drive circuit on a ground frame to drive a light emitting element on a power frame | Yuichi Tagami, Yuta KUGIYAMA | 2018-01-02 |
| 9562808 | Light receiving circuit and light coupling device | Masayuki Sugizaki, Shigeyuki Sakura | 2017-02-07 |
| 9077352 | Clock regeneration circuit, light receiving circuit, photocoupler, and frequency synthesizer | — | 2015-07-07 |
| 8761599 | Semiconductor device, method for testing same and transmitting circuit | — | 2014-06-24 |
| 8731407 | Optically coupled insulating device | — | 2014-05-20 |
| 8704565 | Lock detection circuit, DLL circuit, and receiving circuit | — | 2014-04-22 |
| 8447185 | Optical transmitter, optical receiver, and optically coupled insulating device | — | 2013-05-21 |
| 8207879 | Analog-to-digital converter, analog-to-digital conversion method, and optically coupled insulating device | Hisami Saitou, Atsushi Iwata, Yoshitaka Murasaka, Toshifumi Imamura | 2012-06-26 |
| 8138464 | Optical receiving circuit | — | 2012-03-20 |
| 7635837 | Optical receiving circuit | Shigeyuki Sakura | 2009-12-22 |
| 7609980 | Optical receiver and discrimination-threshold generating method | Masamichi Nogami, Junichi Nakagawa, Masaki Noda | 2009-10-27 |