Inventor
FUKAZAWA TOKUUMI
22 patents
⚠️ This page may combine multiple inventors who share the name “FUKAZAWA TOKUUMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
20 patentsUS5126315AJun 30, 1992
High tc superconducting device with weak link between two superconducting electrodes
HITACHI LTD46 citations96
US5096882AMar 17, 1992
Process for controlling oxygen content of superconductive oxide, superconductive device and process for production thereof
HITACHI LTD75 citations96
US4691983ASep 8, 1987
Optical waveguide and method for making the same
HITACHI LTD96 citations96
US6486756B2Nov 26, 2002
Superconductor signal amplifier
HITACHI LTD40 citations92
US6310488B1Oct 30, 2001
Superconductive single flux quantum logic circuit
HITACHI LTD29 citations92
US6069369AMay 30, 2000
Superconducting device
HITACHI LTD17 citations92
US5729046AMar 17, 1998
Superconducting device having pinning regions
HITACHI LTD18 citations92
US5380704AJan 10, 1995
Superconducting field effect transistor with increased channel length
HITACHI LTD20 citations92
US5326745AJul 5, 1994
Superconducting device with C-axis orientation perpendicular to current flow
HITACHI LTD25 citations92
US5077266ADec 31, 1991
Method of forming weak-link josephson junction, and superconducting device employing the junction
HITACHI LTD25 citations92
US4950642AAug 21, 1990
Method for fabricating superconducting oxide thin films by activated reactive evaporation
HITACHI LTD24 citations92
US4365155ADec 21, 1982
Scintillator with ZnWO4 single crystal
HITACHI LTD33 citations92
US5552375ASep 3, 1996
Method for forming high Tc superconducting devices
HITACHI LTD17 citations82
US5316585AMay 31, 1994
Method for fabricating superconducting materials and superconductive thin films
HITACHI LTD18 citations82
US5256897AOct 26, 1993
Oxide superconducting device
HITACHI LTD19 citations82
US4842917AJun 27, 1989
Magnetic recording medium and process for producing the same
HITACHI LTD20 citations82
US3951729AApr 20, 1976
Method for producing single crystals
HITACHI LTD23 citations81
US4921834AMay 1, 1990
Flux method of growing oxide superconductors
HITACHI LTD11 citations74
US4727287AFeb 23, 1988
Gas discharge display panel and cathode used therein
HITACHI LTD12 citations74
US5250506AOct 5, 1993
Superconductive switching element with semiconductor channel
HITACHI LTD14 citations73