Inventor

ANDO SEIGO

JP32 patents

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

ANDO SEIGO

NIPPON KOKAN KK

Eddy current distance signal apparatus with temperature change compensation means

Saturable core magnetometer with a parallel resonant circuit in which the W3 DC level changes with a change in an external magnetic field

Magnetic flux measuring method and apparatus for detecting high frequency components of magnetic flux with high speed orientation

Apparatus for measuring the level of the molten metal in the mold of a continuous casting machine

Method and apparatus for measuring distance

Apparatus for detecting surface flaw of pipeline by electromagnetic induction

Temperature measuring apparatus

Method and apparatus for magnetically detecting defects in an object with compensation for magnetic field shift by means of a compensating coil

Method for continuously measuring steepness of defective flatness of metal strip during rolling

Apparatus for non-contact measurement of distance from a metallic body using a detection coil in the feedback circuit of an amplifier

Apparatus for magnetic inspection using magnetic shield

Apparatus for detecting the center of a welded seam in accordance with fundamental harmonic component suppression

Apparatus for monitoring and controlling the level of the molten metal in the mold of a continuous casting machine

Method and apparatus for continuously measuring distance utilizing eddy current and having temperature difference influence elimination

Apparatus for non-contact measurement of distance from a metallic body using a detection coil in the feedback circuit of an amplifier

Method and apparatus for measuring the shape of the wavy edges of metal strips using a detection coil controlled to track the strip edge

Electromagnetic induction type detectors

Apparatus for detecting the physical properties of magnetic or electric conductive heat-responsive or deformable material using negative input impedance network

Apparatus for magnetic inspection using magnetic shield, with specific relation of distance E between magnetic sensors and distance L between each magnetic sensor and the object to be inspected, to obtain optimum S/N

Magnetic inspection apparatus for thin steel strip having magnetizer and detection coil within a hollow roller rotated by the steel strip

Eddy current flaw detector using a pair of parallel resonant circuits and a negative resistance in parallel with each circuit

ISHIBASHI TADAO

Avalanche photodiode

Semiconductor device

Avalanche photodiode

Avalanche photodiode

NTT ELECTRONICS CORP

Avalanche photodiode having doping region with monotonically increasing concentration distribution

Semiconductor optoelectronic waveguide

Semiconductor optoelectronic waveguide

NIPPON TELEGRAPH & TELEPHONE

Thin film deposition method of nitride semiconductor and nitride semiconductor light emitting device

Avalanche photodiode

PIONEER ELECTRONIC CORP

Recording medium playing apparatus

KATSUYUKI NISHIFUJI

Current measuring method and apparatus therefor