Inventor · disambiguated record
Hitoshi Iijima
Also filed as: IIJIMA HITOSHI
32 granted patents·859 citations·filing 1982–2013
98Inventor score
Files withMITSUBISHI ELECTRIC CORP17SHOWA DENKO KK4CABOT SUPERMETALS K K2CANON KK2AGENCY IND SCIENCE TECHN1
Top patents by PatentIndex Score
32 records- 0195US4499739AControl device for refrigeration cycleMITSUBISHI ELECTRIC CORP·Filed 1983·Granted Feb 19, 1985·109 cites·5 claims
- 0293US7679885B2Tantalum powder and methods of manufacturing sameCABOT CORP·Filed 2008·Granted Mar 16, 2010·37 cites·27 claims
- 0389US8430944B2Fine particle recovery methods for valve metal powdersIIJIMA HITOSHI·Filed 2009·Granted Apr 30, 2013·10 cites·11 claims
- 0488US5987907ARefrigerant circulating systemMITSUBISHI ELECTRIC CORP·Filed 1996·Granted Nov 23, 1999·65 cites·14 claims
- 0588US4771610AMultiroom air conditionerMITSUBISHI ELECTRIC CORP·Filed 1987·Granted Sep 20, 1988·78 cites·10 claims
- 0685US6563695B1Powdered tantalum, niobium, production process thereof, and porous sintered body and solid electrolytic capacitor using the powdered tantalum or niobiumCABOT SUPERMETALS K K·Filed 2000·Granted May 13, 2003·38 cites·26 claims
- 0783US4842863AGranular agent for ruminant and production method thereofSHOWA DENKO KK·Filed 1988·Granted Jun 27, 1989·68 cites·5 claims
- 0882US8657915B2Metal powder and manufacturing methods thereofMIZUSAKI YUJIRO·Filed 2006·Granted Feb 25, 2014·11 cites·24 claims
- 0979US5647431AAir conditioner and heat exchanger used thereforMITSUBISHI ELECTRIC CORP·Filed 1995·Granted Jul 15, 1997·32 cites·17 claims
- 1078US4948589AGranular composition for ruminantSHOWA DENKO KK·Filed 1989·Granted Aug 14, 1990·59 cites·7 claims
- 1177US4987747AAir conditioning deviceMITSUBISHI ELECTRIC CORP·Filed 1989·Granted Jan 29, 1991·42 cites·7 claims
- 1276US4740469AEnzyme-granulating method and granular composition containing enzymeSHOWA DENKO KK·Filed 1985·Granted Apr 26, 1988·51 cites·16 claims
- 1374US5996372AAccumulatorMITSUBISHI ELECTRIC CORP·Filed 1998·Granted Dec 7, 1999·38 cites·10 claims
- 1473US6032473ARefrigerant circulating systemMITSUBISHI ELECTRIC CORP·Filed 1997·Granted Mar 7, 2000·33 cites·7 claims
- 1570US9163865B2Refrigeration cycle device and method of controlling the sameWAKAMOTO SHINICHI·Filed 2008·Granted Oct 20, 2015·4 cites·21 claims
- 1668US6972850B2Method and apparatus for measuring the shape of an optical surface using an interferometerCANON KK·Filed 2003·Granted Dec 6, 2005·14 cites·27 claims
- 1768US6829747B1Editing apparatus and editing methodSONY CORP·Filed 2000·Granted Dec 7, 2004·7 cites·4 claims
- 1866US4765149ARefrigeration cycle apparatusMITSUBISHI ELECTRIC CORP·Filed 1987·Granted Aug 23, 1988·31 cites·8 claims
- 1960US4862705AAir conditionerMITSUBISHI ELECTRIC CORP·Filed 1988·Granted Sep 5, 1989·25 cites·1 claims
- 2058US4446704AAir conditioning apparatus with temperature regulated coolingMITSUBISHI ELECTRIC CORP·Filed 1982·Granted May 8, 1984·19 cites·12 claims
- 2157US6788525B2Powdered tantalum, niobium, production process thereof and porous sintered body and solid electrolytic capacitor using the powdered tantalum or niobiumCABOT SUPERMETALS K K·Filed 2003·Granted Sep 7, 2004·4 cites·21 claims
- 2256US4672822ARefrigerating cycle apparatusMITSUBISHI ELECTRIC CORP·Filed 1985·Granted Jun 16, 1987·23 cites·5 claims
- 2346US4940665AMethod for granulation of enzymeSHOWA DENKO KK·Filed 1986·Granted Jul 10, 1990·13 cites·5 claims
- 2445US9091534B2Measuring apparatus, measuring method, and method of manufacturing an optical componentCANON KK·Filed 2013·Granted Jul 28, 2015·0 cites·6 claims
- 2545US5887444AAccumlatorMITSUBISHI ELECTRIC CORP·Filed 1997·Granted Mar 30, 1999·12 cites·16 claims
- 2641US4568699AProcess for producing oxygen-containing hydrocarbon compoundsAGENCY IND SCIENCE TECHN·Filed 1985·Granted Feb 4, 1986·2 cites·7 claims
- 2740US4709554AAir conditioning apparatusMITSUBISHI ELECTRIC CORP·Filed 1986·Granted Dec 1, 1987·12 cites·7 claims
- 2838US8034198B2Austenitic stainless steel tube for boiler with excellent resistance to high temperature steam oxidationNKK TUBES·Filed 2006·Granted Oct 11, 2011·0 cites·4 claims
- 2934US5706887AAir conditioner and heat exchanger used thereforMITSUBISHI ELECTRIC CORP·Filed 1996·Granted Jan 13, 1998·5 cites·1 claims
- 3034US5704421AAir conditioner and heat exchanger used thereforMITSUBISHI ELECTRIC CORP·Filed 1996·Granted Jan 6, 1998·5 cites·8 claims
- 3133US5799503AAccumulatorMITSUBISHI ELECTRIC CORP·Filed 1997·Granted Sep 1, 1998·5 cites·15 claims
- 3233US4671075AHeat pump systemMITSUBISHI ELECTRIC CORP·Filed 1986·Granted Jun 9, 1987·7 cites·15 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →