SA

Seiki Aoyama

DE Denso: 14 patents #767 of 11,792Top 7%
NC Nippondenso Co.: 9 patents #200 of 3,479Top 6%
Overall (All Time): #186,000 of 4,157,543Top 5%
23
Patents All Time

Issued Patents All Time

Showing 1–23 of 23 patents

Patent #TitleCo-InventorsDate
8006797 Side collision detecting apparatus for vehicle 2011-08-30
7628073 Physical quantity sensor 2009-12-08
7129798 Oscillator circuit having stable frequency Toshikazu Itakura 2006-10-31
7049883 Switched-capacitor low-pass filter and semiconductor pressure sensor apparatus incorporating the filter Takanori Makino 2006-05-23
6809580 Switched capacitor filter circuit and method of fabricating the same Toshikazu Itakura 2004-10-26
6508126 Dynamic quantity sensor having movable and fixed electrodes with high rigidity Minekazu Sakai, Hirotsugu Funato 2003-01-21
6483322 Capacitive physical quantity sensor Shigenori Yamauchi 2002-11-19
6450031 Semiconductor physical quantity sensor Minekazu Sakai, Minoru Murata, Youko Nakagawa 2002-09-17
6423563 Method for manufacturing semiconductor dynamic quantity sensor Tsuyoshi Fukada, Minekazu Sakai, Minoru Murata, Yukihiro Takeuchi 2002-07-23
6287885 Method for manufacturing semiconductor dynamic quantity sensor Hiroshi Muto, Tsuyoshi Fukada, Masakazu Terada, Hiroshige Sugito, Masakazu Kanosue +8 more 2001-09-11
6252395 Temperature-compensating amplification circuit and a position detecting apparatus using such amplification circuit Yasuaki Makino, Takeshi Shinoda 2001-06-26
6201762 EPROM circuit with error correction Shigenori Yamauchi 2001-03-13
6104186 Rotation detector using magnetoresistance element positioned in vicinity of outer peripheral edge of toothed gear Toshitaka Yamada, Hirofumi Uenoyama 2000-08-15
6020736 Magnetoresistive type position sensor having bias magnetic and magnet resistance elements in bias magnetic field thereof Yasuaki Makino, Susumu Kuroyanagi, Izuru Shoji, Ichiro Izawa 2000-02-01
5854572 Compact structure of automatic gain control circuit Yasuaki Makino 1998-12-29
5841276 Magnetic gear rotation sensor Yasuaki Makino, Toshikazu Arasuna 1998-11-24
5656936 Displacement detecting device Kenichi Ao, Yoshimi Yoshino, Yasuaki Makino 1997-08-12
5644226 Magnetic detector having a bias magnet and magnetoresistive elements shifted away from the center of the magnet Susumu Kuroyanagi, Ichirou Izawa, Yasuaki Makino 1997-07-01
5637995 Magnetic detection device having a magnet including a stepped portion for eliminating turbulence at the MR sensor Ichiro Izawa, Yasuaki Makino, Susumu Kuroyanagi, Shigehiro Kasumi, Kenji Yagi +3 more 1997-06-10
5574364 Position detector including a reference position wherein the sensor is saturating the MR sensor for preventing hysteresis and in a bridge circuit Kazuo Kajimoto, Tomoatsu Makino, Yasuaki Makino 1996-11-12
5534809 Pulse phase difference encoding circuit Takamoto Watanabe 1996-07-09
5525899 Physical quantity change detection device which detects change by detecting a phase difference between two pulses Takamoto Watanabe, Haruo Kawakita 1996-06-11
5493219 MRE sensor signal detector Yasuki Makino, Ichirou Izawa, Tomoatsu Makino, Susumu Kuroyanagi 1996-02-20