Inventor

YAMAGUCHI MASAHIKO

JP43 patents

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

YAMAGUCHI MASAHIKO

HODOGAYA CHEMICAL CO LTD

Heat sensitive record sheet

Diphenyl-1,3-benzoxazine-2-ones

Pressure-sensitive copying material

Heat sensitive record sheet

Mixture of benzoxazines and benzodioxanes which may be used as color formers

Fluoran compound

Fluoran compounds

Pentadiene amino compound

Cycloalkene compounds useful in recording materials

Heat sensitive recording material

Fluoran compounds

DENSO CORP

Abnormality diagnosing system for air/fuel ratio feedback control system

Apparatus and method of abnormality diagnosis for supercharging pressure control system

Deterioration detecting apparatus and method for engine exhaust gas purifying device

Apparatus for detecting deterioration of exhaust gas purifying catalysts

Apparatus for detecting leakage of vapor purge system

Degradation determination apparatus and degradation determination system for oxygen concentration sensor

Diagnostic device for secondary air supply system

Malfunction detection apparatus for pressure sensor

Abnormality diagnosis apparatus for secondary air supply system of engine

ALPS ELECTRIC CO LTD

Orientation film of liquid crystal having bilaterally asymmetric ridges separated by grooves

Electroluminescent device having a liquid crystal layer adjacent to the electroluminescent layer without any electrode placed therebetween

Liquid crystal display including a dye complementary to the liquid crystal&#39;s bright state color

Liquid crystal display

FUJITSU DENSO

Fingerprint identification device and method of using same

Fingerprint registering method and fingerprint checking device

Fingerprinting judging method

Fingerprint dictionary image renewing method

UBE INDUSTRIES

Hollow fiber membrane type artificial lung

Porous hollow-fiber

Apparatus for collecting plasma

HIROSE ELECTRIC CO LTD

Connector

Connector with L-shaped coaxial terminals and method of manufacture thereof

UNIDEN KK

Radar detector

NAT INST OF ADVANCED IND SCIEN

Audio information transmitting apparatus and the method thereof, and a vibrator holding structure

ALPS ELECTRONIC CO LTD

Active matrix display device with asymmetrical reflection, and insulating layer with a corrugated surface and a flat portion

KOKUSAN DENKI CO

Battery charging apparatus

CANON KK

Data processing apparatus and method for encryption or decryption of communication data

YAMAGUCHI MASAHIKO

Hair dye and hair dye composition

PANASONIC CORP

Walking control method, walking control program and biped walking robot

CHISSO CORP

β-diketone compounds β-diketone compounds coordinated to metal, method of organic synthesis with these, and catalyst

OCHIAI KAZUYUKI

Waterproof structure for electronic device

SHISEIDO CO LTD

Makeup base for skin removable with warm water

Liquid crystal display including a dye complementary to the liquid crystal's bright state color