Inventor

AKIYAMA KOICHI

JP214 patents

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

AKIYAMA KOICHI

SEIKO EPSON CORP

Light source, projector, and method of driving arc tube

Projector with electrooptical modulator

Illumination optical system and projector comprising the same

Projector with improved lens apparatus

Projector including a relay optical system

System and method for providing a substrate having micro-lenses

Light source device, and illuminating optical system and projector including the same

System and method for providing a substrate having micro-lenses

Illuminating optical system and projector

Illumination optical device and projector

Light source apparatus and projector

Wavelength conversion element, illumination device, and projector

Illumination device and projector

Lighting device and projector

Screen and projection system

Screen, projection system, and method of manufacturing the screen

Light source and projector

Supporting mechanism for solid type rod integrator

Projector having polarization conversion

Projector

Projector with anamorphic optical system

Lighting device and projector equipped with the same

Projection display device having micro-lenses

Illumination unit and projector including the same

Illumination optical device and projector

System and method for providing a substrate having micro-lenses

Illumination optical system and projector

Illumination optical system and projector comprising the same

KOWA CO

Ophthalmic disease detection apparatus

Ophthalmic measurement apparatus

Ophthalmic measurement apparatus

Particle measurement method and apparatus for determining corrected particle diameter

Ophthalmic measuring method and apparatus

AKIYAMA KOICHI

Light source device and projector

Projector with multiple different types of illumination devices

Light source device with a plurality of light sources and a collimating lens

Projector

Method of manufacturing screen and screen

TAKEDA CHEMICAL INDUSTRIES LTD

Urethane-modified epoxy vinyl ester resin

Resin composition having excellent vibration-damping properties and molded article made thereof

Unsaturated polyester resin compositions, molding materials, and molded products

Core-shell polymer and unsaturated polyester resin composition containing the same as low shrinking additive

NEC CORP

Wavelength division multiplexing optical fiber amplifier

Optical amplifier equipment for WDM optical communication

HIROSE ELECTRIC CO LTD

Floating electrical connector

TOYOTA MOTOR CO LTD

Unsaturated polyester compositions molding materials therefrom and molded products therefrom

MITSUI TAKEDA CHEMICALS INC

Material for molding thermosetting resin sheet, production process, and molded product

KONDO TAKASHI

Steering wheel structure with airbag module

MITSUBISHI ELECTRIC CORP

Semiconductor optical modulator

FURUKAWA TAISUKE

Magnetic position detecting device