Inventor

TAKAGI KAZUHISA

JP52 patents

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

TAKAGI KAZUHISA

MITSUBISHI ELECTRIC CORP

Optical modulator and photonic semiconductor device

Semiconductor optical device

Light modulator and integrated semiconductor laser-light modulator

Encased semiconductor laser device in contact with a fluid and method of producing the laser device

Semiconductor optical device

Mach-Zehnder modulator

Semiconductor laser including tunnel diode for reducing contact resistance

Light Interactive semiconductor device including wire connection at internal light distribution maximum

Semiconductor laser device including heat sink with pn junction

Method of manufacturing an integrated semiconductor laser-modulator device

Semiconductor optical device

Semiconductor laser device

Optical wavelength converter

Semiconductor optical waveguide device including s-shaped waveguides

Semiconductor device

Method of producing semiconductor laser diode

Semiconductor laser device

Optical semiconductor device

Semiconductor laser

Optical module

Semiconductor optical modulator and integrated optical circuit device

Semiconductor laser

Semiconductor package

Gain-coupled distributed feedback semiconductor laser having an improved diffraction grating

Semiconductor optical element

Semiconductor laser

Semiconductor laser device

Semiconductor optical integrated circuit

Semiconductor optical modulator and semiconductor optical device

Optical semiconductor device

Semiconductor laser

Optical wavelength converter

Semiconductor optical device

Optical semiconductor device

TAKAGI KAZUHISA

Optical semiconductor device

Dielectric raw material, antenna device, portable phone and electromagnetic wave shielding body

Optical device

Method of manufacturing semiconductor optical element

Semiconductor optical element

Semiconductor optical element

Semiconductor laser

ASAHI RUBBER INC

Light-emitting diode device

Transparent coating member for light-emitting diodes and a fluorescent color light source

Method of producing a porous product

Method of molding a transparent coating member for light-emitting diodes

ISHIMURA EITARO

Semiconductor optical integrated element

Optical modulator

FINE RUBBER KENKYUUSHO KK

Portable telephone with reduced specific absorption rate and improved efficiency

ASAHI RUBBER KK

Method of reducing dimethyl polysiloxane remaining in silicone rubber products to the ultra-micro level

MORI KUNIO

Base material for adhesion and silicone rubber-adhered article using thereof