Yuusuke Masumoto

YC Yamamoto Kogaku Co.: 3 patents #20 of 58Top 35%

Overall (All Time): #1,613,397 of 4,157,543Top 40%

Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
6665885	Goggles	—	2003-12-23
D451942	Swimming goggles	—	2001-12-11
6076196	Goggles having strap bearing arms connected to a goggle frame between central and lateral end portions thereof	—	2000-06-20