KM

Kazuko Mabuchi

YC Yamamoto Kogaku Co.: 3 patents #20 of 58Top 35%
KC Kyowa Hakko Kogyo Co.: 1 patents #549 of 943Top 60%
Overall (All Time): #1,606,747 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6810536 Swimming goggles Tamenobu Yamamoto, Yoshihisa Ishiba 2004-11-02
D451531 Swimming goggles 2001-12-04
5922246 Eyeglass lens and molded material of synthetic resin having transmittance minimum no greater than 25% at 550-585 nm Shoshiro Matsushita, Ikuo Shimizu, Yoshihisa Ishiba, Oritoshi Murata 1999-07-13