HY

Hirokatsu Yamamoto

MA Makita: 28 patents #27 of 770Top 4%
TO Toyota: 9 patents #3,216 of 26,838Top 15%
📍 Anjo, JP: #55 of 1,609 inventorsTop 4%
Overall (All Time): #88,550 of 4,157,543Top 3%
37
Patents All Time

Issued Patents All Time

Showing 26–37 of 37 patents

Patent #TitleCo-InventorsDate
9621081 Motor- driven apparatus and method for driving the same Yuki Kawai, Yoshitaka Ichikawa, Ying-Jay Yang 2017-04-11
9425730 Apparatus for estimating quantity of state relating to motor, and electric tool Masahiko Sako, Takaaki OSADA 2016-08-23
8888566 Power tool Ryo Sunazuka, Takaaki OSADA 2014-11-18
8678106 Rotary impact tool Yutaka Matsunaga, Katsuna Hayashi, Yoshitaka Ichikawa 2014-03-25
8616300 Power tool having an illuminator Jiro Suzuki, Takuya Kusakawa 2013-12-31
8264189 Motor controller and electric power tool having the same Takashi Matsunaga, Takuya Kusakawa 2012-09-11
8193753 Motor controller and electric power tool having the same Takashi Matsunaga, Takuya Kusakawa 2012-06-05
8179069 Electric power tool, control unit and recording medium Yutaka Matsunaga, Takuya Kusakawa 2012-05-15
7053567 Power tools 2006-05-30
7007762 Power tool 2006-03-07
6933689 Power tools 2005-08-23
6819022 Brushless motor for power tool Simoru Otogao 2004-11-16