Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9915710 | Magnetic sensor, method of manufacturing magnetic sensor, and method of designing magnetic sensor | Fumihito Koike, Eiji Shinohara, Kazuhiro Shigeta, Taku Saito | 2018-03-13 |
| 7521924 | Member position detection apparatus not affected by external magnetic field | Ichiro Tokunaga | 2009-04-21 |
| 7064537 | Rotation angle detecting device | Yoshihiro Sudo | 2006-06-20 |
| 7045998 | Rotation detecting device | — | 2006-05-16 |
| 6900713 | Magnetic switch capable of instantaneous switching of an output signal and magnetic sensor | Masao Kasashima, Ichiro Tokunaga, Seiji Kikuchi | 2005-05-31 |
| 6809513 | Rotary position sensor having waterproof, explosion-protective structure | Kyuichiro Terui | 2004-10-26 |
| 6784774 | Magnetic switch capable of performing normal detection for a long period of time | — | 2004-08-31 |
| 6720762 | Rotation-angle detecting device capable of detecting absolute angle with simple configuration | — | 2004-04-13 |
| 6687647 | Rotation-angle detecting device capable of precisely detecting absolute angle | — | 2004-02-03 |
| 6603305 | Rotary encoder having code member rotating along accurate circle as shaft rotates | Hideki Uchiyama, Toshio Ogawa | 2003-08-05 |
| 6539329 | Apparatus for detecting rotational angle by employing two or more detection signals based on rotational angle and rotational direction of rotating member | Hironori Kato, Yoshio Sanpei, Toshiyuki Hoshi, Ichiro Tokunaga, Toshio Ogawa | 2003-03-25 |
| 6507270 | Linear operation type electric part | Kyuichiro Terui | 2003-01-14 |
| 6496003 | Magnetic displacement detecting device having linear changing magnetic field over the length of the service | Ichirou Tokunaga | 2002-12-17 |
| 6484119 | Input device having deflection detecting elements | Kazuo Kaneo, Toshio Ogawa, Katsuhiko Tochihara, Ryoichi Maeda | 2002-11-19 |
| 6474146 | Rotary sensor capable of high-precision detection of rotation angle transmitted from outside | — | 2002-11-05 |
| 6456065 | Device for detecting the rotational angle of a rotary member | Toshiyuki Hoshi, Hironori Kato, Yoshio Sanpei, Ichirou Tokunaga, Toshio Ogawa | 2002-09-24 |
| 6445278 | Rotary sensor capable of detecting rotation angle of shaft to be detected with high accuracy | — | 2002-09-03 |
| 6424147 | ROTATION ANGLE DETECTION APPARATUS FOR CALCULATING A ROTATION ANGLE BY ATTAINING AN ARCTANGENT ANGLE OF A DIVIDEND WHERE A SMALL AMPLITUDE ABSOLUTE VALUE OF TWO SINUSOIDAL WAVE DETECTION SIGNALS HAVING A PHASE DIFFERENCE IS DIVIDED BY A LARGE AMPLITUDE ABSOLUTE VALUE | Hironori Kato, Toshiyuki Hoshi, Yoshio Sanpei | 2002-07-23 |
| 6396386 | Angle sensor which makes it possible to prevent rattling caused by backlash between gears inside the angle sensor | — | 2002-05-28 |
| 6386020 | Rotary sensor capable of high-precision detection of rotation angle transmitted from outside | — | 2002-05-14 |
| 6359432 | Connector and turning angle sensor using same | — | 2002-03-19 |
| 6341426 | Rotation angle sensor and torque sensor | — | 2002-01-29 |
| 6246232 | Rotation sensor for generating electric signals corresponding to turning angle and turning direction of detection target | — | 2001-06-12 |
| 5345215 | Variable resistor device with reduced slider vibration | Kanji Ishibara | 1994-09-06 |
| 5315758 | Method for manufacturing slide electrical contact | Yasuichi Ono, Akito Miura | 1994-05-31 |