KH

Koichi Hirota

SC Shin-Etsu Chemical Co.: 43 patents #74 of 2,176Top 4%
Aisin Seiki Kabushiki Kaisha: 25 patents #52 of 3,782Top 2%
TO Toyota: 6 patents #4,786 of 26,838Top 20%
NC Nippon Shokubai Co.: 5 patents #248 of 1,108Top 25%
NC Nippon Shokubai Kagaku Kogyo Co.: 4 patents #60 of 341Top 20%
LI Lintec: 1 patents #282 of 514Top 55%
AI Aisin: 1 patents #310 of 1,000Top 35%
FU Fujikura: 1 patents #788 of 1,407Top 60%
SC Sodick Co.: 1 patents #79 of 172Top 50%
TK Toyta Jidosha Kabushiki Kaisha: 1 patents #1 of 18Top 6%
Honda Motor Co.: 1 patents #12,035 of 21,052Top 60%
AC Aisin Aw Co.: 1 patents #1,133 of 2,011Top 60%
📍 Echizen, JP: #4 of 298 inventorsTop 2%
Overall (All Time): #22,586 of 4,157,543Top 1%
80
Patents All Time

Issued Patents All Time

Showing 26–50 of 80 patents

Patent #TitleCo-InventorsDate
8756793 Method for assembling rotor for use in IPM rotary machine Yuhito Doi, Takehisa Minowa, Hajime Nakamura 2014-06-24
8695210 Method of manufacturing an Nd based sintered magnet Koji Miyata, Takehisa Minowa, Hajime Nakamura, Masakatsu Honshima 2014-04-15
8638017 Rotor for permanent magnet rotating machine Koji Miyata, Takehisa Minowa, Hajime Nakamura 2014-01-28
8562034 Opening-and-closing member drive control apparatus for vehicle Nobuyasu Bessho, Takashi Tagaito, Shinichiro Noda 2013-10-22
8496219 Seat sliding apparatus for a vehicle Takashi Okada, Soichiro Hozumi, Toshiro Maeda 2013-07-30
8478491 Seat control device, method, and program Takayuki Miyajima 2013-07-02
8420010 Method for preparing rare earth permanent magnet material Hajime Nakamura, Takehisa Minowa 2013-04-16
8377233 Preparation of rare earth permanent magnet material Hajime Nakamura, Takehisa Minowa 2013-02-19
8269392 Rotor for permanent magnet rotary machine Yuhito Doi, Takehisa Minowa, Hajime Nakamura 2012-09-18
8231740 Method for preparing rare earth permanent magnet material Hajime Nakamura, Takehisa Minowa 2012-07-31
8211327 Preparation of rare earth permanent magnet material Hajime Nakamura, Takehisa Minowa 2012-07-03
8075707 Method for preparing rare earth permanent magnet material Hajime Nakamura, Takehisa Minowa 2011-12-13
8012269 Nd-Fe-B rare earth permanent magnet material Kenji Yamamoto, Takehisa Minowa 2011-09-06
7988795 R-T-B—C rare earth sintered magnet and making method Takehisa Minowa 2011-08-02
7986151 Head rest device for vehicle Koji Aoki, Manabu Tsuruta, Kiyoka Matsubayashi, Motomi Iyoda, Tatsuhiro Okawa +1 more 2011-07-26
7955443 Method for preparing rare earth permanent magnet material Hajime Nakamura, Takehisa Minowa 2011-06-07
7883587 Method for preparing rare earth permanent magnet Hajime Nakamura, Takehisa Minowa 2011-02-08
7866745 Vehicle seat Hitoshi Takayanagi 2011-01-11
7770967 Head rest device Koji Ito, Motomi Iyoda, Tatsuhiro Okawa, Fumitoshi Akaike, Seiya Nishimura 2010-08-10
7642985 Seat for vehicle Koji Ito, Hitoshi Takayanagi, Fumio Yajima, Nobumasa Misaki 2010-01-05
7568544 Occupant protection device for vehicle Koji Aoki 2009-08-04
7559996 Rare earth permanent magnet, making method, and permanent magnet rotary machine Koji Miyata, Hajime Nakamura, Takehisa Minowa 2009-07-14
7531933 Permanent magnet rotating machine Koji Miyata, Hajime Nakamura, Takehisa Minowa 2009-05-12
7520941 Functionally graded rare earth permanent magnet Hajime Nakamura, Masanobu Shimao, Takehisa Minowa 2009-04-21
7488395 Functionally graded rare earth permanent magnet Hajime Nakamura, Masanobu Shimao, Takehisa Minowa 2009-02-10