YI

Yuuichirou Ishihara

DK Daiwa Kasei Kogyo: 3 patents #14 of 51Top 30%
Overall (All Time): #1,625,252 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6317937 Fastener structure assembly Takeshi Mizuno, Masaaki Yamakami 2001-11-20
6119316 Fastener Takeshi Mizuno, Masaaki Yamakami 2000-09-19
5966782 Fastener Takeshi Mizuno, Masaaki Yamakami 1999-10-19