Yoshifumi Taniguchi

HH Hitachi High-Technologies: 16 patents #155 of 1,917Top 9%

HI Hitachi: 8 patents #5,191 of 28,497Top 20%

UN Unknown: 2 patents #12,644 of 83,584Top 20%

HS Hitachi Science Systems: 1 patents #30 of 77Top 40%

Overall (All Time): #154,091 of 4,157,543Top 4%

Patents All Time

Issued Patents All Time

Showing 26–26 of 26 patents

Patent #	Title	Co-Inventors	Date
4303143	Exhaust gas control system	—	1981-12-01