Inventor · disambiguated record
Masao Tamura
Also filed as: TAMURA MASAO
24 granted patents·978 citations·filing 1980–2000
97Inventor score
Files withHITACHI LTD16ASAHI GLASS CO LTD2MITSUBISHI CHEM CORP1MITSUBISHI KASEI ENG1MITUSBISHI KASEI TECHNOENGINEE1
Top patents by PatentIndex Score
24 records- 0194US4983540AMethod of manufacturing devices having superlattice structuresHITACHI LTD·Filed 1988·Granted Jan 8, 1991·123 cites·27 claims
- 0289US4565584AMethod of producing single crystal film utilizing a two-step heat treatmentHITACHI LTD·Filed 1983·Granted Jan 21, 1986·76 cites·8 claims
- 0388US4970002AMethod of chromatographic separationMITUSBISHI KASEI TECHNOENGINEE·Filed 1989·Granted Nov 13, 1990·78 cites·12 claims
- 0488US4599133AMethod of producing single-crystal silicon filmHITACHI LTD·Filed 1983·Granted Jul 8, 1986·67 cites·17 claims
- 0586US5064539AMethod of chromatographic separationRYOKA TECHNO ENGINEERING & CON·Filed 1990·Granted Nov 12, 1991·74 cites·4 claims
- 0684US4655875AIon implantation processHITACHI LTD·Filed 1986·Granted Apr 7, 1987·64 cites·10 claims
- 0782US6548662B1Method for purification of saccharideSANWA KOSAN KK·Filed 2000·Granted Apr 15, 2003·33 cites·16 claims
- 0879US4751557ADram with FET stacked over capacitorHITACHI LTD·Filed 1986·Granted Jun 14, 1988·45 cites·11 claims
- 0976US4729964AMethod of forming twin doped regions of the same depth by high energy implantHITACHI LTD·Filed 1986·Granted Mar 8, 1988·51 cites·19 claims
- 1074US4498951AMethod of manufacturing single-crystal filmHITACHI LTD·Filed 1982·Granted Feb 12, 1985·39 cites·18 claims
- 1173US5113072ADevice having superlattice structure, and method of and apparatus for manufacturing the sameHITACHI LTD·Filed 1990·Granted May 12, 1992·48 cites·33 claims
- 1270US4808546ASOI process for forming a thin film transistor using solid phase epitaxyHITACHI LTD·Filed 1987·Granted Feb 28, 1989·37 cites·24 claims
- 1370US4394191AStacked polycrystalline silicon film of high and low conductivity layersHITACHI LTD·Filed 1980·Granted Jul 19, 1983·33 cites·10 claims
- 1468US5785727AGlass forming machineASAHI GLASS CO LTD·Filed 1997·Granted Jul 28, 1998·17 cites·4 claims
- 1568US5556546AMethod of separation into three components using a simulated moving bedMITSUBISHI KASEI ENG·Filed 1994·Granted Sep 17, 1996·34 cites·9 claims
- 1665US4716127AMethod of implanting spatially controlled P-N junctions by focused ion beams containing at least two speciesHITACHI LTD·Filed 1986·Granted Dec 29, 1987·29 cites·15 claims
- 1765US4377421AMethod of making a stacked emitter in a bipolar transistor by selective laser irradiationHITACHI LTD·Filed 1980·Granted Mar 22, 1983·26 cites·12 claims
- 1862US5357131ASemiconductor memory with trench capacitorHITACHI LTD·Filed 1993·Granted Oct 18, 1994·32 cites·5 claims
- 1956US5817238AProcess for producing purified L-ascorbic acidNIPPON RENSUI KK·Filed 1997·Granted Oct 6, 1998·20 cites·12 claims
- 2047US5938806AGlass forming machine and glass forming methodASAHI GLASS CO LTD·Filed 1998·Granted Aug 17, 1999·12 cites·7 claims
- 2147US4984030AVertical MOSFET DRAMHITACHI LTD·Filed 1988·Granted Jan 8, 1991·13 cites·18 claims
- 2247US4351674AMethod of producing a semiconductor deviceHITACHI LTD·Filed 1980·Granted Sep 28, 1982·13 cites·11 claims
- 2345US4551742ASolid-state imaging deviceHITACHI LTD·Filed 1984·Granted Nov 5, 1985·10 cites·13 claims
- 2442US5672482AMethod for purifying cyclic inulooligosaccharideMITSUBISHI CHEM CORP·Filed 1995·Granted Sep 30, 1997·4 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →