Inventor

KOYAMA TADASHI

JP54 patents

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

KOYAMA TADASHI

NIPPON SHEET GLASS CO LTD

Method for machining glass substrate

Laser processing method to a class substrate and an optical diffraction element obtained thereby, and a method for manufacturing optical elements

Laser processing method to a glass substrate and an optical diffraction element obtained thereby, and a method for manufacturing optical elements

Method for stabilizing output of rain sensor and protection method therefor

Optical demultiplexer and method of assembling optical demultiplexer in optical axis alignment

Laser machining method for glass substrate, diffraction type optical device fabricated by the machining method, and method of manufacturing optical device

Liquid drop detection method and apparatus therefor

Laser-processable glass substrate and laser processing method

Laser processing method to a micro lens

Method for manufacturing a diffraction type optical element

Method of changing the surface of a glass substrate containing silver, by using a laser beam

Glass substrate having fine holes

Water drop detector on transparent substrate

Transparent substrate having rain sensor

Mother glass composition for graded index lens

Lens function-including optical fiber and method of producing the same

Method of changing the surface of a glass substrate containing silver, by using a laser beam

Water drop detector on transparent substrate and initiating method and output stabilizing method therefor

Wiper controller apparatus of water drop sensitive type

Multilayer, cushioned liquid drop detector

Water drop detector or transparent substrate and initiating method and output stabilizing method therefor

Laser processing method to an optical waveguide

Wiper control apparatus

Method of preparing ultrafine particle dispersion material

Optical element

Glass for laser processing

Graded material and method for synthesis thereof and method for processing thereof

KANEGAFUCHI CHEMICAL IND

Additive for thermpolastic resins and flame retardant resin composition

Flame-retardant resin composition

Polyethylene terephthalate resin composition

Resin composition capable of exhibiting high melt viscoelasticity, aromatic polyester resin foamed body produced therefrom and process for producing the foamed body

KOYAMA TADASHI

Communication apparatus and method for controlling the same

Portable terminal

Portable wireless device

Portable wireless apparatus

TOYODA MACHINE WORKS LTD

Robot controller

Robot teaching machine

Feed control system with a safety device

CANON KK

Electronic apparatus for use with removable storage medium, control method therefor, and program for implementing the method

Electronic apparatus and control method for the same

Electronic device and method of controlling switching elements

KANEKA CORP

Flame-retardant thermoplastic resin composition

Flame retardant plastic resin composition

KYOCERA CORP

Wireless communication terminal device

Detachable network communication device, electronic device and communication device

YACHIYO IND CO LTD

Filler pipe and method for manufacturing filler pipe

Earth structure for filler pipe

WAKU KENJI

Portable electronic device and magnetic antenna circuit

FUKUDA METAL FOIL POWDER

Porous metal powder

TANAKA TAKAHIRO

Electronic device