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Etsuo Masunaga

SC Shinko Holdings Co.: 1 patents #1 of 2Top 50%

📍 Kishiwada, JP: #1 of 6 inventorsTop 20%

Overall (2022): #161,426 of 548,613Top 30%

2

Patents 2022

Issued Patents 2022

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
11273513	Coupling device	Rikiya Nishimura	2022-03-15
11267070	Coupling device	Rikiya Nishimura	2022-03-08