Makoto Yamakado

HI Hitachi: 49 patents #305 of 28,497Top 2%

HS Hitachi Automotive Systems: 21 patents #36 of 1,636Top 3%

HC Hitachi Car Engineering Co.: 12 patents #39 of 465Top 9%

Mazda Motor: 3 patents #1,256 of 4,755Top 30%

Nissan Motor Co.: 3 patents #2,303 of 8,689Top 30%

NT Ntn: 1 patents #814 of 1,364Top 60%

HH Hitachi High-Technologies: 1 patents #1,282 of 1,917Top 70%

BK Babcock-Hitachi K.K.: 1 patents #20 of 70Top 30%

Overall (All Time): #24,976 of 4,157,543Top 1%

Patents All Time

Issued Patents All Time

Showing 76–76 of 76 patents

Patent #	Title	Co-Inventors	Date
4922869	Torque controlling apparatus for internal combustion engine	Yuzo Kadomukai, Yozo Nakamura	1990-05-08