Takashi Umemoto

SC Sanyo Electric Co.: 43 patents #33 of 6,347Top 1%

Honda Motor Co.: 3 patents #6,619 of 21,052Top 35%

Canon: 2 patents #12,681 of 19,416Top 70%

OC Oji Paper Co.: 1 patents #173 of 423Top 45%

SH Shimadzu: 1 patents #1,152 of 2,007Top 60%

PA Panasonic: 1 patents #13,264 of 21,108Top 65%

Overall (All Time): #52,245 of 4,157,543Top 2%

Patents All Time

Issued Patents All Time

Showing 51–51 of 51 patents

Patent #	Title	Co-Inventors	Date
4242998	Engine exhaust gas recirculation system	Toshio Shioya, Hiroyuki Nishimura	1981-01-06