Hisami Tanaka

Canon: 19 patents #3,464 of 19,416Top 20%

Fujitsu Limited: 5 patents #6,029 of 24,456Top 25%

DC Dainippon Ink And Chemicals: 2 patents #241 of 1,002Top 25%

Overall (All Time): #156,639 of 4,157,543Top 4%

Patents All Time

Issued Patents All Time

Showing 26–26 of 26 patents

Patent #	Title	Co-Inventors	Date
4337459	Digital-to-analog converter	Masauki Takahasi, Masao Yamasawa, Michinobu Ohhata	1982-06-29