Inventor
NAKAYAMA SHIN
JP15 patents
⚠️ This page may combine multiple inventors who share the name “NAKAYAMA SHIN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HOYA CORP
5 patentsUS4844724AJul 4, 1989
Method of adjusting refractive index distribution lenses
HOYA CORP61 citations95
US4805997AFeb 21, 1989
Gradient refractive index type anamorphic planar microlens and method of producing the same
HOYA CORP34 citations92
US4902330AFeb 20, 1990
Method of producing gradient-index lens
HOYA CORP21 citations81
US4844589AJul 4, 1989
Lenses having plural contiguous refractive index distribution substrates and method of manufacture
HOYA CORP16 citations73
US4767435AAug 30, 1988
Process for producing transparent glass product having refractive index gradient
HOYA CORP6 citations62
DENSO WAVE INC
3 patentsUS12367364B2Jul 22, 2025
Information code display device and information code display system
DENSO WAVE INC0 citations62
US11449699B2Sep 20, 2022
Information code reading system
DENSO WAVE INC0 citations52
US10540525B2Jan 21, 2020
Information code, information code producing method, information code reader, and system which uses information code
DENSO WAVE INC0 citations39