Inventor · disambiguated record
Hisanao Ogata
Also filed as: OGATA HISANAO
13 granted patents·356 citations·filing 1980–1994
94Inventor score
Top patents by PatentIndex Score
13 records- 0190US4625519ARotary magnetic refrigeratorHITACHI LTD·Filed 1985·Granted Dec 2, 1986·85 cites·2 claims
- 0282US4892862AProcess for producing superconducting materialHITACHI LTD·Filed 1988·Granted Jan 9, 1990·46 cites·11 claims
- 0378US4502296ACryostatHITACHI LTD·Filed 1984·Granted Mar 5, 1985·30 cites·2 claims
- 0477US4532770AMagnetic refrigeratorHITACHI LTD·Filed 1984·Granted Aug 6, 1985·30 cites·4 claims
- 0573US4593835ACryogenic liquefied pump systemHITACHI LTD·Filed 1984·Granted Jun 10, 1986·33 cites·10 claims
- 0669US4457135AMagnetic refrigerating apparatusHITACHI LTD·Filed 1983·Granted Jul 3, 1984·24 cites·6 claims
- 0764US5426949AVacuum vessel having a cooled memberHITACHI LTD·Filed 1994·Granted Jun 27, 1995·23 cites·17 claims
- 0861US5152147AGas swing type refrigeratorHITACHI LTD·Filed 1990·Granted Oct 6, 1992·25 cites·23 claims
- 0961US4959964ACryostat with refrigerator containing superconductive magnetHITACHI LTD·Filed 1989·Granted Oct 2, 1990·18 cites·15 claims
- 1054US5083445ACryopumpHITACHI LTD·Filed 1990·Granted Jan 28, 1992·19 cites·24 claims
- 1153US5183799ASuperconducting materials including La-Sr-Nb-O, Y-Ba-Nb-O, La-Sr-Nb-Cu-O, and Y-Ba-Nb-Cu-OHITACHI LTD·Filed 1991·Granted Feb 2, 1993·13 cites·5 claims
- 1237US4334123AInternal cooling type superconductorHITACHI LTD·Filed 1980·Granted Jun 8, 1982·5 cites·9 claims
- 1334US4371741AComposite superconductorsJAPAN ATOMIC ENERGY RES INST·Filed 1981·Granted Feb 1, 1983·5 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →