RS

Ryozo Sawada

YK Yoshida Kogyo K.K.: 1 patents #252 of 468Top 55%
Overall (All Time): #3,738,572 of 4,157,543Top 90%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5500276 Slide fastener made of synthetic resin Masanori Hirasawa, Yoshiharu Yamaguchi, Shigeru Funakawa, Masaru Kanayama 1996-03-19