Inventor
OI TETSU
11 patents
⚠️ This page may combine multiple inventors who share the name “OI TETSU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
10 patentsUS4177372ADec 4, 1979
Method and apparatus for laser zone melting
HITACHI LTD70 citations95
US4365155ADec 21, 1982
Scintillator with ZnWO4 single crystal
HITACHI LTD33 citations92
US4367267AJan 4, 1983
Amorphous lithium fluoaluminate
HITACHI LTD22 citations81
US4390460AJun 28, 1983
Lithium oxide based amorphous material and process for preparation thereof
HITACHI LTD11 citations73
US4323418AApr 6, 1982
Method for growing a pipe-shaped single crystal
HITACHI LTD8 citations73
US3943570AMar 9, 1976
Semiconductor magnetic head
HITACHI LTD16 citations73
US4186481AFeb 5, 1980
Method for fabrication of rear chip for hall effect magnetic head
HITACHI LTD7 citations72
US4177298ADec 4, 1979
Method for producing an InSb thin film element
HITACHI LTD11 citations70
US4080478AMar 21, 1978
Method for producing an InSb thin film
HITACHI LTD5 citations62
US4305777ADec 15, 1981
Method of producing ferrite single crystals
HITACHI LTD1 citations51