Inventor

OKA SOICHI

JP26 patents

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

OKA SOICHI

NIPPON TELEGRAPH & TELEPHONE

Ground-penetrating radar device and method for same

Method for installing probes, and method for driving transmission probe

Angle measurement device and method

Optical deflection device

Laser light scanning device and laser light scanning method

Optical deflection device

Laser processing device

Crack detection system and crack detection method

Zinc tharmal splaying material and method for manufacturing the same and tharmal splaying device

Coating material

Method for measuring acid anhydride content

Corrosion rate estimating device and method

Corrosion amount estimation device and corrosion amount estimation method

Optical computing element and multi-neural network

Parameter determining device, parameter determining method, and parameter determining program

Electro-optical device

Control method of optical deflector, and optical deflection device

Control method of optical deflector, and optical deflection device

Optical deflector parameter measurement device, method, and program

Optical deflector and method for determining control condition of optical deflector

Analysis method

Method and apparatus for accelerated corrosion testing

NTT INC

Diffraction element device

Optical deflector

Wavelength variable optical filter

Wavelength tunable optical filter