Inventor

KAGEI KAZUNORI

JP6 patents

⚠️ This page may combine multiple inventors who share the name “KAGEI KAZUNORI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

ASAHI LITE OPTICAL CO LTD

2 patents

US6070979AJun 6, 2000

Plastic lenses for spectacles with high refractive indices

ASAHI LITE OPTICAL CO LTD18 citations91

USRE39343EOct 17, 2006

Plastic lenses for spectacles with high refractive indices

ASAHI LITE OPTICAL CO LTD0 citations51

NIPPON OILS & FATS CO LTD

1 patent

US4590248AMay 20, 1986

Method for producing a plastic lens using tertiary alkyl peroxy allyl carbonate

NIPPON OILS & FATS CO LTD35 citations91

WASHI KOSAN KK

1 patent

US6183081B1Feb 6, 2001

Kit providing independent right and left eyeglass lenses with side frames and method for assembly thereof

WASHI KOSAN KK15 citations82

HITACHI LTD

1 patent

US5709922AJan 20, 1998

Transparent article and process for producing the same

HITACHI LTD14 citations72

ASAHI OPTICAL KK

1 patent

US5137344AAug 11, 1992

Semi-finished lens

ASAHI OPTICAL KK12 citations66