Inventor

BLUM RONALD D

US212 patents

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

BLUM RONALD D

E VISION LLC

System, apparatus and method for correcting vision with an adaptive optic

Stabilized electro-active contact lens

Method of manufacturing an electro-active lens

System, apparatus, and method for correcting vision using an electro-active lens

Electro-active multi-focal spectacle lens

Stabilized electro-active contact lens

Optical lens system with electro-active lens having alterably different focal lengths

Static progressive surface region in optical communication with a dynamic optic

Electro-optic lens with integrated components for varying refractive properties

Electro-active spectacle employing modal liquid crystal lenses

Electro-active multi-focal spectacle lens

Enhanced electro-active lens system

Electro-optic lens with integrated components

Electro-optic lens with integrated components

Method for refracting and dispensing electro-active spectacles

System, apparatus, and method for reducing birefringence

System, apparatus, and method for correcting vision using an electro-active lens

System, apparatus, and method for correcting vision using electro-active spectacles

Method for refracting and dispensing electro-active spectacles

Method and apparatus for correcting vision using an electro-active phoropter

INNOTECH INC

Refractive index gradient lens

Method for manufacturing photochromic lenses

Method for manufacturing lenses using thin coatings

Lens or semi-finished blank comprising photochromic resin compositions

Method of manufacturing contact lenses

Polymerizable resin for forming clear, hard plastics

Method for forming plastic optical quality spectacle lenses

Composite lenses

BLUM RONALD D

Electro-active intraocular lenses

Attachable electro-active lens systems

Electro-active opthalmic lens having an optical power blending region

Method for forming plastic optical quality spectacle lenses

Method for manufacturing lenses

Ophthalmic dynamic aperture

Flexible dynamic electro-active lens

PIXELOPTICS INC

Advanced electro-active optic device

System, apparatus, and method for correcting vision using an electro-active lens

Refractive-diffractive multifocal lens

Electro-optic lens with integrated components

HIGH PERFORMANCE OPTICS INC

High performance selective light wavelength filtering providing improved contrast sensitivity

Color balanced ophthalmic system with selective light inhibition

High performance selective light wavelength filtering providing improved contrast sensitivity

TECH MATS LLC

Floor mat

Advanced floor mat

ISHAK ANDREW W

Photochromic ophthalmic systems that selectively filter specific blue light wavelengths

High energy visible light filter systems with yellowness index values

PRISM OPTHALMICS L L C

Prismatic intraocular lenses and related methods of in situ alteration of their optical characteristics

POGOTEC INC

Wireless camera systems and methods

AKIBA ELECTRONICS INST LLC

User adjustable volume control that accommodates hearing

MITSUI CHEMICALS INC

Electronic eyeglass frame