Inventor · disambiguated record
Tokuumi Fukazawa
Also filed as: FUKAZAWA TOKUUMI
22 granted patents·625 citations·filing 1974–2001
97Inventor score
Top patents by PatentIndex Score
22 records- 0194US4691983AOptical waveguide and method for making the sameHITACHI LTD·Filed 1984·Granted Sep 8, 1987·96 cites·12 claims
- 0289US5096882AProcess for controlling oxygen content of superconductive oxide, superconductive device and process for production thereofHITACHI LTD·Filed 1988·Granted Mar 17, 1992·75 cites·43 claims
- 0389US4647781AGamma ray detectorHITACHI CHEMICAL CO LTD·Filed 1985·Granted Mar 3, 1987·38 cites·8 claims
- 0488US5126315AHigh tc superconducting device with weak link between two superconducting electrodesHITACHI LTD·Filed 1988·Granted Jun 30, 1992·46 cites·32 claims
- 0587US6486756B2Superconductor signal amplifierHITACHI LTD·Filed 2001·Granted Nov 26, 2002·40 cites·18 claims
- 0679US4365155AScintillator with ZnWO4 single crystalHITACHI LTD·Filed 1980·Granted Dec 21, 1982·33 cites·14 claims
- 0775US5326745ASuperconducting device with C-axis orientation perpendicular to current flowHITACHI LTD·Filed 1992·Granted Jul 5, 1994·25 cites·3 claims
- 0874US6310488B1Superconductive single flux quantum logic circuitHITACHI LTD·Filed 1999·Granted Oct 30, 2001·29 cites·3 claims
- 0972US4950642AMethod for fabricating superconducting oxide thin films by activated reactive evaporationHITACHI LTD·Filed 1988·Granted Aug 21, 1990·24 cites·4 claims
- 1069US3951729AMethod for producing single crystalsHITACHI LTD·Filed 1974·Granted Apr 20, 1976·23 cites·16 claims
- 1168US5077266AMethod of forming weak-link josephson junction, and superconducting device employing the junctionHITACHI LTD·Filed 1989·Granted Dec 31, 1991·25 cites·16 claims
- 1266US5552375AMethod for forming high Tc superconducting devicesHITACHI LTD·Filed 1994·Granted Sep 3, 1996·17 cites·14 claims
- 1365US5256897AOxide superconducting deviceHITACHI LTD·Filed 1991·Granted Oct 26, 1993·19 cites·28 claims
- 1465US4727287AGas discharge display panel and cathode used thereinHITACHI LTD·Filed 1986·Granted Feb 23, 1988·12 cites·13 claims
- 1562US6069369ASuperconducting deviceHITACHI LTD·Filed 1997·Granted May 30, 2000·17 cites·11 claims
- 1662US5729046ASuperconducting device having pinning regionsHITACHI LTD·Filed 1995·Granted Mar 17, 1998·18 cites·10 claims
- 1761US5316585AMethod for fabricating superconducting materials and superconductive thin filmsHITACHI LTD·Filed 1990·Granted May 31, 1994·18 cites·15 claims
- 1861US4842917AMagnetic recording medium and process for producing the sameHITACHI LTD·Filed 1987·Granted Jun 27, 1989·20 cites·30 claims
- 1960US5380704ASuperconducting field effect transistor with increased channel lengthHITACHI LTD·Filed 1993·Granted Jan 10, 1995·20 cites·24 claims
- 2056US5250506ASuperconductive switching element with semiconductor channelHITACHI LTD·Filed 1991·Granted Oct 5, 1993·14 cites·13 claims
- 2147US4921834AFlux method of growing oxide superconductorsHITACHI LTD·Filed 1988·Granted May 1, 1990·11 cites·11 claims
- 2241US4279772ACrystal for scintillatorHITACHI CHEMICAL CO LTD·Filed 1980·Granted Jul 21, 1981·5 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →