Norihisa Katoh

HI Hitachi: 1 patents #17,742 of 28,497Top 65%

HC Hitachi Ome Electronic Co.: 1 patents #10 of 19Top 55%

Overall (All Time): #4,071,864 of 4,157,543Top 100%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4336504	Push-pull output circuit	Kunio Seki	1982-06-22