Inventor · disambiguated record
Keiko Okuma
Also filed as: OKUMA KEIKO
3 granted patents·130 citations·filing 1985–1992
76Inventor score
Top patents by PatentIndex Score
3 records- 0190US4592206ARoom-warming/cooling and hot-water supplying heat-pump apparatusMITSUBISHI ELECTRIC CORP·Filed 1985·Granted Jun 3, 1986·78 cites·16 claims
- 0285US5364195ASheet conveying apparatus with displaceable guide between cassette and feed rollerCANON KK·Filed 1992·Granted Nov 15, 1994·33 cites·12 claims
- 0345US5086624ACooling and heating concurrent operation type of multiple refrigeration cycleMITSUBISHI ELECTRIC CORP·Filed 1990·Granted Feb 11, 1992·19 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →