YF

Yasuo Fukuwa

PE Pentax: 3 patents #145 of 396Top 40%
Overall (All Time): #1,258,957 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
7117547 Goggles 2006-10-10
7055950 Attachable spectacle accessory mounting device and an attachable spectacle accessory 2006-06-06
6742889 Attachable lens member mounting device, attachable lens member, and spectacles 2004-06-01
5440356 Spectacle frame including self-aligning temple end piece 1995-08-08