Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12401185 | Semiconductor device | Naoki Takahashi | 2025-08-26 |
| 12055965 | Constant voltage circuit that selects operation modes based on output voltage | — | 2024-08-06 |
| 12019462 | Constant voltage circuit | Toru Hashimoto | 2024-06-25 |
| 11726511 | Constant voltage circuit that causes different operation currents depending on operation modes | — | 2023-08-15 |
| 11533051 | Semiconductor integrated circuit | Eriko Shigesawa | 2022-12-20 |
| 11264955 | Semiconductor amplifier circuit and semiconductor circuit | — | 2022-03-01 |
| 10871794 | Voltage regulator circuitry | — | 2020-12-22 |
| 10725487 | Power circuit including ballast element | — | 2020-07-28 |
| 10345839 | Voltage regulator | — | 2019-07-09 |
| 10191503 | Linear regulator with reduced oscillation | — | 2019-01-29 |
| 10175708 | Power supply device | — | 2019-01-08 |
| 8242770 | Voltage sensing device | Toru Tanaka, Kazuya Omagari, Nariaki Ogasawara | 2012-08-14 |
| 8120209 | Voltage sensing device for an individual cell of a group of battery cells | Toru Tanaka, Kazuya Omagari, Nariaki Ogasawara | 2012-02-21 |
| 8031888 | Electronic apparatus having audio output units | Takenori Kato | 2011-10-04 |
| 7221226 | Amplifying apparatus with automatic level controller | — | 2007-05-22 |
| 7184561 | Electronic apparatus having audio output units | Takenori Kato | 2007-02-27 |
| 6188422 | Thermal printer control and computer readable medium storing thermal printing control program therein | — | 2001-02-13 |
| 5904975 | Printed circuit board | — | 1999-05-18 |