Yoshihiko Masuda

NC Nippon Shokubai Co.: 15 patents #51 of 1,108Top 5%

TO Toyota: 8 patents #3,629 of 26,838Top 15%

NC Nippon Shokubai Kagaku Kogyo Co.: 2 patents #114 of 341Top 35%

KI Kioritz: 1 patents #109 of 197Top 60%

NC Nippon Gasket Co.: 1 patents #33 of 56Top 60%

TC Teikoku Piston Ring Co.: 1 patents #41 of 95Top 45%

📍 Suita, JP: #38 of 1,253 inventorsTop 4%

Overall (All Time): #155,331 of 4,157,543Top 4%

Patents All Time

Issued Patents All Time

Showing 26–26 of 26 patents

Patent #	Title	Co-Inventors	Date
4286082	Absorbent resin composition and process for producing same	Tsuneo Tsubakimoto, Tadao Shimomura, Yoshio Irie	1981-08-25