Yorikatsu Hohokabe

SK Showa Denko K.K.: 1 patents #940 of 1,736Top 55%

SC Showa Highpolymer Co.: 1 patents #45 of 102Top 45%

Overall (All Time): #4,073,710 of 4,157,543Top 100%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4342863	Plastic lens	Eiichiro Takiyama	1982-08-03