HK

Hiroki Kitagawa

HC Hitachi Koki Co.: 18 patents #45 of 888Top 6%
Sumitomo Electric Industries: 18 patents #1,247 of 21,551Top 6%
YA Yazaki: 11 patents #397 of 3,427Top 15%
HI Hitachi: 10 patents #4,206 of 28,497Top 15%
PA Panasonic: 4 patents #6,180 of 21,108Top 30%
KC Koki Holdings Co.: 3 patents #64 of 215Top 30%
Honda Motor Co.: 2 patents #8,527 of 21,052Top 45%
Fujitsu Limited: 2 patents #10,930 of 24,456Top 45%
Canon: 2 patents #12,681 of 19,416Top 70%
HU Hokkaido University: 1 patents #20 of 74Top 30%
HI Hitchi: 1 patents #1 of 56Top 2%
HA Hitachi Astemo: 1 patents #649 of 1,276Top 55%
NC Nissin Kogyo Co.: 1 patents #171 of 334Top 55%
📍 Ibaraki, CA: #6 of 23 inventorsTop 30%
Overall (All Time): #27,593 of 4,157,543Top 1%
72
Patents All Time

Issued Patents All Time

Showing 1–25 of 72 patents

Patent #TitleCo-InventorsDate
12257680 Work machine Yen-ting Lee, Souki Hoshina, Keiki Nakaniwa 2025-03-25
12046258 Audio signal processing device, audio signal processing method, and recording medium Masaaki Tomoda 2024-07-23
11469540 Molding method of waterproof member Masanobu Higashitani, Madoka Ooishi, Masayuki Tamano, Yasuhiro Tanaka, Yusuke Tsutagawa +1 more 2022-10-11
11362460 Connector Yasuhiro Tanaka, Masanobu Higashitani, Yusuke Tsutagawa, Masatoshi Yamada 2022-06-14
11358574 Brake control device for motorcycle Chikashi Iizuka, Makoto Toda, Tetsuya Hasegawa, Nobuyuki Kodaira 2022-06-14
11355887 Connector with restriction member for latch structure and wire harness having same Yasuhiro Tanaka, Masanobu Higashitani, Kengo Machida, Maho Shinohara, Masatoshi Yamada 2022-06-07
11331779 Driving machine Yoshimitsu Iijima 2022-05-17
11322880 Packing mounting structure Yasuhiro Tanaka, Masanobu Higashitani, Kengo Machida, Maho Shinohara, Masatoshi Yamada +1 more 2022-05-03
11121501 Connector having structure for separating connector from connection target Yasuhiro Tanaka, Masanobu Higashitani, Kengo Machida, Maho Shinohara, Masatoshi Yamada +2 more 2021-09-14
11005208 Connector and wire harness Yasuhiro Tanaka, Masanobu Higashitani, Kengo Machida, Maho Shinohara, Masatoshi Yamada +3 more 2021-05-11
10971844 Connector including conductive voltage detection terminal branching from conduction path Takayoshi Hirakawa, Yasuhiro Tanaka, Masanobu Higashitani, Kengo Machida 2021-04-06
10791660 Connection structure of a shielded terminal supporting external conductor of electric cable Yuya Yamada, Kenta Yasuda, Ryuta Fujii 2020-09-29
10756473 Connection terminal Yasuhiro Tanaka, Kengo Machida 2020-08-25
10569402 Driving machine Yoshimitsu Iijima 2020-02-25
10069291 Terminal fitting fixing structure and wire harness Yuya Yamada, Ryuta Fujii 2018-09-04
10008784 Terminal fitting fixing structure and wire harness Yuya Yamada, Ryuta Fujii 2018-06-26
9561785 Vehicle rear wheel lift tendency judgment device Chikashi Iizuka, Makoto Toda, Tetsuya Hasegawa, Nobuyuki Kodaira, Tomoharu Tsuchiya 2017-02-07
9518587 Air compressor Tomoyoshi Yokota, Seiichi Kodato, Kenichi Matsunaga, Masahiro Miura, Yoshimi Takahashi 2016-12-13
9435329 Air compressor Tomoyoshi Yokota, Kenichi Matsunaga, Masahiro Miura, Shingo Kosugi 2016-09-06
9221162 Pneumatic driving machine Masashi Nishida, Tetsuhito Shige, Kousuke Akutsu, Masaya Nagao, Shouichi Hirai 2015-12-29
9181050 Sheet feeding apparatus, control method thereof, and document reading apparatus Takashi Machida, Hiroshi Komuro 2015-11-10
8974191 Air compressor Masahiro Miura, Seiichi Kodato, Tomoyoshi Yokota, Kenichi Matsunaga, Yoshimi Takahashi 2015-03-10
D689866 Scanner Tetsuyuki Anzai, Hiroshi Komuro, Takashi Machida, Mikio Shinohara, Satoshi Fujiwara 2013-09-17
8479963 Pneumatic driving machine Masashi Nishida, Tetsuhito Shige, Kousuke Akutsu, Masaya Nagao, Shouichi Hirai 2013-07-09
D667467 Air compressor Shingo Kosugi, Rui Akiba, Masanori Okada, Kenichi Matsunaga 2012-09-18