Inventor
TOYOSHIMA NOBUYUKI
JP7 patents
⚠️ This page may combine multiple inventors who share the name “TOYOSHIMA NOBUYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MENICON CO LTD
4 patentsUS4954586ASep 4, 1990
Soft ocular lens material
MENICON CO LTD364 citations98
US5250583AOct 5, 1993
Ocular lens material
MENICON CO LTD18 citations82
US5391591AFeb 21, 1995
Oxygen permeable hard contact lens materials comprising a fluoroalkyl(silicon-containing alkyl) fumarate copolymer
MENICON CO LTD10 citations74
US4920180AApr 24, 1990
Highly water-absorptive ocular lens material
MENICON CO LTD9 citations73
TOYO CONTACT LENS CO LTD
3 patentsUS4451629AMay 29, 1984
Contact lens and process for preparing the same
TOYO CONTACT LENS CO LTD42 citations91
US4745158AMay 17, 1988
Highly water-absorptive optical material
TOYO CONTACT LENS CO LTD7 citations65
US4829126AMay 9, 1989
High water-absorptive soft contact lens
TOYO CONTACT LENS CO LTD5 citations59