Noboru Toyama

Canon: 45 patents #884 of 19,416Top 5%

HI Hitachi: 3 patents #10,712 of 28,497Top 40%

TO Toyota: 2 patents #10,861 of 26,838Top 45%

AC All Nippon Airways Co.: 1 patents #14 of 26Top 55%

NE Nec: 1 patents #7,889 of 14,502Top 55%

NK Nippon Hoso Kyokai: 1 patents #306 of 703Top 45%

Overall (All Time): #50,977 of 4,157,543Top 2%

Patents All Time

Issued Patents All Time

Showing 51–52 of 52 patents

Patent #	Title	Co-Inventors	Date
4224909	Exhaust gas recirculation system for an internal combustion engine	Tatsuya Taifu	1980-09-30
4182293	Exhaust gas recirculation system for an internal combustion engine	—	1980-01-08