YH

Yoshihisa Hirosawa

TO Toyota: 3 patents #8,352 of 26,838Top 35%
TI Toyota Industries: 1 patents #904 of 1,610Top 60%
Overall (All Time): #1,181,888 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
9885312 Piston for internal combustion engine Hitoshi Shimamura 2018-02-06
9038384 Control apparatus for internal combustion engine equipped with supercharger Tetsuji Tomita, Taku Ibuki 2015-05-26
8522551 Apparatus for determining an abnormality of a control valve of an internal combustion engine Tetsuji Tomita, Taku Ibuki 2013-09-03
8181509 Apparatus for determining an abnormality of a control valve of an internal combustion engine Taku Ibuki, Tetsuji Tomita 2012-05-22