YS

Yasushi Sakai

HO Hoya: 1 patents #20 of 80Top 25%
📍 Tsukuba, JP: #101 of 299 inventorsTop 35%
Overall (2002): #88,132 of 266,432Top 35%
1
Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6340226 Spectacles accommodating interchangeable/replaceable lens Toshihisa Akaba, Kazumichi Kurihara, Hakaru Fujita, Youichi Ishiguro, Isao Iizuka +1 more 2002-01-22