Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12207070 | Sound output control device, sound output system, sound output control method, and computer-readable storage medium | Tatsuru Kobayashi, Kazuo Nomura, Tatsuhiro Sukegawa, Shinji Kamimura, Jeong-ju Choe | 2025-01-21 |
| 11050137 | Electronic device | — | 2021-06-29 |
| 10581422 | PWM modulator | Akira Yamauchi | 2020-03-03 |
| 7075864 | Pre-pit signal generator compensating a pre-pit signal damped, semiconductor integrated circuit, recording and playback apparatus, and pre-pit signal generation method | Yasuhiro Kakitsuka | 2006-07-11 |
| 6455784 | Curable sheet for circuit transfer | Shozo Kinoshita, Masaki Yamamoto, Katsura Hayashi, Masaaki Hori | 2002-09-24 |
| 5854718 | Record amplifying circuit for respectively serially and differentially driving sets of series-connected sound and video record heads | — | 1998-12-29 |
| 5852527 | Amplifying circuit for magnetic record and playback apparatus having magnetic heads with first and second windings connected at a common point | — | 1998-12-22 |
| 5701103 | Amplifying circuit with DC voltage feedback to base terminal for magnetic record and playback apparatus | — | 1997-12-23 |
| 5159211 | Extreme level circuit | — | 1992-10-27 |
| 5099315 | Circuit for separating luminance and chrominance signals from a composite video signal | Takashi Koga | 1992-03-24 |
| 4657581 | Herbicidal amide compounds and their uses | Tetsuo Takematsu, Yasutomo Takeuchi, Kozo Hiraishi, Shoji Nishimula, Motoyuki Suzuki +2 more | 1987-04-14 |
| 4271217 | Process for producing polyurethane resins and sheet materials | Itsuya Tanaka | 1981-06-02 |