Inventor

WATANABE HIROKI

JP115 patents

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

WATANABE HIROKI

NIPPON TELEGRAPH & TELEPHONE

Contract agreement method, agreement verification method, contract agreement system, agreement verification device, contract agreement device, contract agreement program and agreement verification program

Video distribution method, distribution device, and inspection device

Content use system

Data registration method, data decryption method, data structure, computer, and program

Data update device, data update method, data update program, and data structure

Key exchange system and key exchange method

Blockchain generation apparatus, blockchain generation method, blockchain verification apparatus, blockchain verification method, and program

CANON KK

Toner

Toner

Toner

Toner

Toner

Fine particle, external additive for toners, and toner

MURATA MANUFACTURING CO

Surface acoustic wave filter and communication apparatus

Surface acoustic wave apparatus and communication unit

Surface acoustic wave device and communication device

Surface acoustic wave element and manufacturing method of the same

Surface acoustic wave filter device

TOYODA GOSEI KK

Solid element device and method for manufacturing the same

Method of making phosphor containing glass plate, method of making light emitting device

Solid-state optical device

Solid-state optical device

NGK SPARK PLUG CO

Silicon nitride sintered material and production process thereof

Ceramic heater and glow plug having the same

Silicon nitride—tungsten carbide composite sintered material, production process therefor, and glow plug comprising the same

Silicon nitride-tungsten carbide composite sintered material, process for preparing the same and glow plug

FUJIFILM CORP

Endoscope system and operation method therefor

Thermoelectric conversion element and thermoelectric conversion module

Position deviation order detection method, image position deviation correction method, streak unevenness correction table creation method, and streak unevenness correction method

Image processing device capable of accurately determining ulcerative colitis by using a medical image and method of operating the same

WESTERN DIGITAL TECH INC

Write data protection at emergency power off

Data storage device having dual actuators and method for emergency power off retract (EPOR) of dual actuators

Write data protection at emergency power off

WATANABE HIROKI

Apparatus for crushing a calculus

Fuel injection control system for internal combustion engine

SUMITA OPTICAL GLASS

Solid-state element device and light-emitting apparatus using same

Optical system

SUEHIRO YOSHINOBU

Solid element device and method for manufacturing the same

Solid element device and method for manufacturing the same

SHARP KK

Ink jet printer having multiple ink heads

Ink jet printer having multiple ink heads

KOYO SANGYO CO

Male connecting device for medical use

Connecting structure for medical use

KANDA TSUSHIN KOGYO KK

Ultrasonic probe and ultrasonic survey instrument

AGENCY IND SCIENCE TECHN

Lithotriptor

FUJITSU LTD

Multiple overlay printing and outputting device and multiple overlay printing system

HIRATA SPINNING

Pad

YOKOGAWA ELECTRIC CORP

Flowmeter

DAIHEN CORP

Transfer apparatus

COORSTEK KK

Conductive diffuser and manufacturing method of the same