MN

Masayoshi Nakagawa

AC Alps Electric Co.: 13 patents #102 of 2,177Top 5%
TO Toyota: 7 patents #4,145 of 26,838Top 20%
Tdk: 2 patents #1,902 of 3,796Top 55%
AC Alps Alpine Co.: 1 patents #246 of 525Top 50%
NC Nkk Co.: 1 patents #579 of 1,173Top 50%
📍 Mishima, JP: #71 of 754 inventorsTop 10%
Overall (All Time): #167,725 of 4,157,543Top 5%
24
Patents All Time

Issued Patents All Time

Showing 1–24 of 24 patents

Patent #TitleCo-InventorsDate
12258927 Internal combustion engine control device Tomoya OSHIMA 2025-03-25
11333108 Cooling system for internal combustion engine 2022-05-17
11281019 Lens driving device Katsuhiko OTOMO, Hideaki Sato, Hidemitsu Sato 2022-03-22
10753317 EGR control device 2020-08-25
10221813 Control device and control method for internal combustion engine 2019-03-05
9810165 Internal combustion engine Masato Ikemoto, Takashi Matsumoto, Yoshio Yamashita 2017-11-07
8336296 Exhaust gas purification system for internal combustion engine Koichiro Nakatani, Terutoshi Tomoda, Shinobu Ishiyama, Tomoyuki Ono, Tomoyuki Kogo +2 more 2012-12-25
8201406 Control apparatus for internal combustion engine Tomoyuki Kogo, Terutoshi Tomoda, Shinobu Ishiyama, Tomoyuki Ono, Koichiro Nakatani +2 more 2012-06-19
D630666 Lens for light communication Tsuyoshi Matsumoto 2011-01-11
7499246 Magnetic head device 2009-03-03
7423846 Magnetic-head apparatus with microactuator having function of short-circuiting both electrodes of epiezoelectric elements and method of manufacturing the same 2008-09-09
7167344 Magnetic head actuator having finely movable tracking device Tohru Nakazawa, Hideki Abe, Koji Nagao 2007-01-23
6987649 Magnetic head apparatus with microactuator having function of short-circuiting both electrodes of epiezoelectric elements and method of manufacturing the same 2006-01-17
6971155 Method of manufacturing a magnetic head 2005-12-06
6791783 Magnetic head device with microactuator fine motion device having electrode section molded out of resin 2004-09-14
6707645 Microactuator-mounted magnetic head device with control conductive pattern 2004-03-16
6577464 Magnetic recording device having first actuator for coarse adjustment and second actuator for fine adjustment 2003-06-10
6469852 Disk on which servo pattern is recorded and arithmetic processing method for servo pattern read from the disk 2002-10-22
6317295 Adjustment apparatus for magnetic head device 2001-11-13
6218750 Driving device for polyphase motor 2001-04-17
6154330 Disk provided with servo patterns and method of recording servo patterns 2000-11-28
5966259 Magnetic recording medium formed in a plurality of tracks and magnetic recording-reproducing apparatus for the same Tetsuya Mitsuishi, Makoto Moriya, Takayuki Sugawara, Katsuji Suzuki 1999-10-12
5963391 Servo information writing system Makoto Moriya 1999-10-05
5411605 Soft magnetic steel material having excellent DC magnetization properties and corrosion resistance and a method of manufacturing the same Toshimichi Omori, Haruo Suzuki, Tetsuya Sampei, Takahiro Kanero, Masayoshi Kurihara 1995-05-02