HS

Hiroyuki Shirakawa

Mitsubishi Electric: 4 patents #7,099 of 25,717Top 30%
MK Mitsubishi Denki K.K.: 3 patents #44 of 577Top 8%
KT Kabushiki Kaisha Toshiba: 2 patents #9,982 of 21,451Top 50%
SO Sony: 1 patents #17,262 of 25,231Top 70%
📍 Fuchu, JP: #123 of 926 inventorsTop 15%
Overall (All Time): #487,113 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
11877121 Speaker system and sound output method Kazunobu Ookuri, Kohei Asada, Masaki Kamata 2024-01-16
9275793 Current input converter Yusuke Yanagihashi, Toshio Tanaka, Hiroyuki Maehara, Noriyoshi Suga, Itsuo Shuto 2016-03-01
8861163 Protection relay Yusuke Yanagihashi, Hiroyuki Maehara, Toshio Tanaka, Noriyoshi Suga, Itsuo Shuto 2014-10-14
5216408 Inter-vehicle distance detecting device for automatic tracking of a preceding car 1993-06-01
5140210 Permanent-magnet type dynamoelectric machine rotor 1992-08-18
4982125 Brushless motor 1991-01-01
4952830 Brushless motor with hall elements 1990-08-28
4909214 Throttle valve control device 1990-03-20
4856476 Apparatus for controlling throttle valve 1989-08-15
4723754 Flow rate control valve system Koichi Torimoto, Yoichi Sumi 1988-02-09