Inventor

WATANABE MASATAKA

JP49 patents

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

WATANABE MASATAKA

SUMITOMO ELECTRIC INDUSTRIES

Semiconductor optical modulator and method for manufacturing semiconductor optical modulator

Mach-Zehnder modulator

Semiconductor optical element and method for manufacturing the same

Mach-Zehnder modulator, method for fabricating Mach-Zehnder modulator

Mach-Zehnder modulator, method of making optical waveguide structure

Optical modulator

Spot size converter and manufacturing method of the same

Semiconductor device having buried region beneath electrode and method to form the same

Semiconductor device and method of manufacturing the same

Traveling-wave amplifier

Hetero-bipolar transistor and method for producing the same

Asymmetrical spot-size converter and method of manufacturing spot-size converter

SHINETSU HANDOTAI KK

Method for fabricating compound semiconductor epitaxial wafer and vapor phase growth apparatus using the same

GaAsP epitaxial wafer and a method for manufacturing it

Compound semiconductor epitaxial wafer

Compound semiconductor epitaxial wafer

Method of controlling floating zone

Method for manufacturing compound semiconductor epitaxial wafer

Method for vapor-phase growth

Monocrystal growing apparatus

Heating coil for use in growth of single crystal

Method for manufacturing compound semiconductor substrate, compound semiconductor substrate and light emitting device

SHINETSU CHEMICAL CO

Optical fiber manufacture method including elongating a preform in a vertical direction and a horizontal direction

Glass base material manufacturing apparatus with super imposed back-and-forth burner movement

Magnetron sputtering system and photomask blank production method based on the same

Method for polishing angular substrates

Method of making an optical fiber preform where a second elongation is based on a mark on a glass rod

Phase shift mask blank, phase shift mask, and methods of manufacture

Angular substrates

Optical fiber manufacture method, preform manufacture method, and preform manufacture apparatus

OVD apparatus including air-regulating structure

NEC CORP

Shared memory control system and shared memory control method

Auxiliary buffer for direct map cache

Semiconductor integrated circuit equipped with function for controlling the quantity of processing per unit time length by detecting internally arising delay

PWM Circuit

DYDEN CORP

Organic electron transport material and organic electroluminescent element using same

Organic electron transport material and organic electroluminescent element using same

SANYO ELECTRIC CO

Heat exchanging device

EUDYNA DEVICES INC

Method for fabricating a semiconductor device

SHIN ETU HANDOTAI COMPANY LIMI

Method of and apparatus for controlling floating zone of semiconductor rod

SHIN ETU HANDOTAI CO LTD

Control of the power to the heater and the speed of movement of a crystal rod by control of the crystal rod diameter

DAICEL LTD

Smoking composition

TOBISAKA YUUJI

Glass base material manufacturing apparatus and glass base material manufacturing method

YUKIGUNI MAITAKE CO LTD

Active oxygen scavenger and cancer chemopreventer from Grifola

JAPAN TOBACCO INC

Method of manufacturing wrinkled sheet tobacco

NAT INST ENVIRONMENTAL STUDIES

Apparatus for use in a axenic mass culture

PANASONIC CORP

Organic EL element and method for producing same

WATANABE MASATAKA

Grifola frondosa-derived substance having anti-influenza virus activity and method for producing the same

TAKAMIZAWA SHOICHI

Method for manufacturing nitride semiconductor self-supporting substrate and nitride semiconductor self-supporting substrate