Inventor · disambiguated record
Heihatiro Midorikawa
Also filed as: MIDORIKAWA HEIHATIRO
13 granted patents·177 citations·filing 1979–2004
93Inventor score
Files withHITACHI LTD13
Top patents by PatentIndex Score
13 records- 0187US4311024AHermetically circulating, absorption type refrigeratorHITACHI LTD·Filed 1979·Granted Jan 19, 1982·43 cites·15 claims
- 0273US4912934AHermetically closed circulation type, vapor absorption refrigeratorHITACHI LTD·Filed 1988·Granted Apr 3, 1990·26 cites·17 claims
- 0368US6813901B2Absorption refrigerator and production method thereofHITACHI LTD·Filed 2001·Granted Nov 9, 2004·5 cites·2 claims
- 0467US7165418B2Absorption refrigerator and production method thereofHITACHI LTD·Filed 2004·Granted Jan 23, 2007·6 cites·20 claims
- 0564US4994157AMethod and apparatus for descaling stainless steelHITACHI LTD·Filed 1989·Granted Feb 19, 1991·13 cites·16 claims
- 0656US5806337AAbsorption refrigerator and production method thereofHITACHI LTD·Filed 1996·Granted Sep 15, 1998·14 cites·35 claims
- 0756US4487036AHermetically circulating, absorption type refrigeratorHITACHI LTD·Filed 1983·Granted Dec 11, 1984·17 cites·5 claims
- 0854US4857222AAbsorption type refrigerator and absorbing solution thereforHITACHI LTD·Filed 1988·Granted Aug 15, 1989·12 cites·9 claims
- 0952US4470272AHermetically circulating, absorption type refrigeratorHITACHI LTD·Filed 1982·Granted Sep 11, 1984·15 cites·5 claims
- 1044US5964103AAbsorption refrigerator and production method thereofHITACHI LTD·Filed 1998·Granted Oct 12, 1999·8 cites·3 claims
- 1144US4398399AHermetically circulating, absorption type refrigeratorHITACHI LTD·Filed 1981·Granted Aug 16, 1983·11 cites·8 claims
- 1238US6279342B1Absorption refrigerator and production method thereofHITACHI LTD·Filed 1999·Granted Aug 28, 2001·5 cites·18 claims
- 1328US4505760AProcess for partial hot dipping of steel stripsHITACHI LTD·Filed 1982·Granted Mar 19, 1985·2 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →