Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12191872 | R/D conversion method and R/D converter | Hirofumi Maruyama, Ryohei Ushikusa, Shinichi Arai | 2025-01-07 |
| 11253947 | Magnet wire bonding method and bonding structure | Kazuyuki Ishibashi, Hirofumi Maruyama, Shinichi Arai, Toshiki Muramatsu, Shinichi Hara +1 more | 2022-02-22 |
| 10084472 | Phase modulation-type redundant two-phase-output resolver and signal output method thereof | Kazuyuki Ishibashi, Hirofumi Maruyama, Katsutoshi Toyotake, Shinichi Arai, Toshiki Muramatsu | 2018-09-25 |
| 7388527 | Method of detecting abnormality of R/D converter | — | 2008-06-17 |
| 7123175 | Angle detection apparatus computing phase differences between first and second phase angles | Masayuki Katakura, Asako Toda, Yuichi Takagi | 2006-10-17 |
| 6891492 | Method of converting an analog signal into a digital signal | — | 2005-05-10 |
| 6774593 | Sensor system for controlling a motor | — | 2004-08-10 |
| 6707401 | Calculation processing device of resolver signal | — | 2004-03-16 |
| 6608573 | Automatic resolution changing method and circuit for use in digital conversion of two-phase sinusoidal wave signals | — | 2003-08-19 |
| 6278388 | Method of converting an analog signal to digital signal by digitalizing error deviation | — | 2001-08-21 |
| 5815424 | Digital angle conversion method | — | 1998-09-29 |
| 5796357 | Digital angle detecting method | — | 1998-08-18 |
| 5637998 | Digital system for detecting angular position | — | 1997-06-10 |