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 1–25 of 80 patents

Patent #TitleCo-InventorsDate
12325072 R—Fe—B-based sintered magnet Akihiro Yoshinari, Hiroki Iida, Mikio Yoshida 2025-06-10
12172211 Method for producing magnetic refrigeration material, and magnetic refrigeration material Junya Fukuda, Tetsuya Kume, Hajime Nakamura 2024-12-24
11911945 Injection molding machine and injection molding method Yoshikazu Kubo, Hisakazu Araki, Kenzo Akiyama 2024-02-27
11806782 Method for producing magnetic refrigeration material, and magnetic refrigeration material Junya Fukuda, Tetsuya Kume, Hajime Nakamura 2023-11-07
11798716 Rare earth sintered magnet Tetsuya Ohashi, Hiroki Iida, Hajime Nakamura, Mikio Yoshida, Kazuya Fukui +1 more 2023-10-24
11702033 Vehicle operation detection device Ayaka SHIMIZU, Takaya Aiyama, Hiroshi Shingu, Kenichiro Kagawa, Toshihiro KANEDA +2 more 2023-07-18
11613196 Ramp system for vehicle Takuya TOMIOKA, Hideki Maeda, Taiki Ishiguro, Tomoyuki Kato, Takeshi Nishikibe 2023-03-28
11600413 R—Fe—B sintered magnet and production method therefor Tetsuya Ohashi, Hajime Nakamura 2023-03-07
11410805 R-Fe-B sintered magnet Tetsuya Ohashi, Tetsuya Kume, Hajime Nakamura 2022-08-09
11315710 R-Fe-B sintered magnet and making method Tetsuya Kume, Masayuki Kamata 2022-04-26
10937578 Method for preparing R—Fe—B sintered magnet Tetsuya Ohashi, Tetsuya Kume, Hajime Nakamura 2021-03-02
10720271 R-Fe-B sintered magnet Tetsuya Ohashi, Tetsuya Kume, Hajime Nakamura 2020-07-21
10573438 R-(Fe, Co)-B sintered magnet and making method Masayuki Kamata, Takahiro Hashimoto, Hajime Nakamura 2020-02-25
10515747 R-Fe-B sintered magnet and making method Hiroaki Nagata, Tetsuya Kume, Hajime Nakamura 2019-12-24
10410775 R—Fe—B sintered magnet and making method Hiroaki Nagata, Tetsuya Kume, Masayuki Kamata, Hajime Nakamura 2019-09-10
10074477 Rare earth sintered magnet and making method Hiroaki Nagata, Yuuji Gouki, Kazuaki Sakaki, Tadao Nomura, Hajime Nakamura 2018-09-11
10073427 Operation detecting device of opening and closing body for vehicle Takaya Aiyama, Hitoshi Takayanagi 2018-09-11
9953750 Nd based sintered magnet Koji Miyata, Takehisa Minowa, Hajime Nakamura, Masakatsu Honshima 2018-04-24
9892831 R-Fe—B sintered magnet and making method Hiroaki Nagata, Tetsuya Kume, Hajime Nakamura 2018-02-13
9742248 Method for assembling rotor for use in IPM rotary machine Yuhito Doi, Takehisa Minowa, Hajime Nakamura 2017-08-22
9156439 Automatic opening and closing apparatus of opening and closing member for vehicle and structural member included in vehicle Shintaro Suzuki, Hitoshi Takayanagi 2015-10-13
8983736 Grille shutter control device Yoshimasa Asano, Hitoshi Takayanagi, Masayuki Nomura, Tatsuya Shimizu, Hironori Kanasaki 2015-03-17
8975850 Driving control device of opening and closing body for vehicle Nobuyasu Bessho, Masato Yamada, Shinichiro Noda, Tomomasa Inoue, Yoshiki Ishikawa +1 more 2015-03-10
8826592 Window regulator device Hidefumi Katayama, Ryoichi Fukumoto, Ryujiro Akizuki 2014-09-09
8823235 Rotor for axial gap-type permanent magnetic rotating machine Naoki Watanabe, Yuhito Doi, Takehisa Minowa, Hajime Nakamura 2014-09-02