Inventor
HIROTA TETSUYA
10 patents
⚠️ This page may combine multiple inventors who share the name “HIROTA TETSUYA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUMITOMO METAL IND
5 patentsUS4602212AJul 22, 1986
Method and apparatus including a flux leakage and eddy current sensor for detecting surface flaws in metal products
SUMITOMO METAL IND65 citations95
US4217548AAug 12, 1980
Flaw detector for pipe employing magnets located outside the pipe and detector mounted inside and movable along the pipe with the magnets
SUMITOMO METAL IND24 citations81
US4247818AJan 27, 1981
Automatic sensitivity adjustment apparatus for calibration of a non-destructive inspection instrument
SUMITOMO METAL IND17 citations73
US4127813ANov 28, 1978
Method for balancing the sensitivity of two channels in a differential detection apparatus
SUMITOMO METAL IND13 citations73
US4258318AMar 24, 1981
Flaw detector for pipe employing magnets located outside the pipe and detector mounted inside and movable along the pipe with the magnets
SUMITOMO METAL IND15 citations72
MITSUBISHI CHEM IND
3 patentsUS4332623AJun 1, 1982
Adsorption separation method and apparatus thereof
MITSUBISHI CHEM IND59 citations95
US4405455ASep 20, 1983
Adsorption separation apparatus
MITSUBISHI CHEM IND29 citations91
US4106993AAug 15, 1978
Method for preservation of aqueous glucose isomerase solution
MITSUBISHI CHEM IND0 citations49