Inventor · disambiguated record
Masaaki Hama
Also filed as: HAMA MASAAKI
16 granted patents·2 pending applications·529 citations·filing 1977–2010
94Inventor score
Files withSUMITOMO CHEMICAL CO4MATSUSHITA ELECTRIC INDUSTRIAL CO LTD3HITACHI LTD2KUBOTA KK2PANASONIC CORP2
Top patents by PatentIndex Score
18 records- 0196US4818559AMethod for producing endosseous implantsSUMITOMO CHEMICAL CO·Filed 1986·Granted Apr 4, 1989·308 cites·8 claims
- 0290USD497107SContainer for wrapping purposeTAOKA CHEMICAL CO LTD·Filed 2002·Granted Oct 12, 2004·44 cites·1 claims
- 0382US4649003AMethod for producing an inorganic sintered bodySUMITOMO CHEMICAL CO·Filed 1985·Granted Mar 10, 1987·34 cites·2 claims
- 0477USD496279SEnclosure for a containerTAOKA CHEMICAL COMPANY LTD·Filed 2002·Granted Sep 21, 2004·23 cites·1 claims
- 0561US6446521B1Tractor transmissionKUBOTA KK·Filed 2000·Granted Sep 10, 2002·14 cites·8 claims
- 0660US6947130B2Method of evaluating whiteness, method of evaluating comparative whiteness, light source and luminaireMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Sep 20, 2005·6 cites·7 claims
- 0760US4590053AMethod for producing α-form silicon nitride fine powdersSUMITOMO CHEMICAL CO·Filed 1985·Granted May 20, 1986·16 cites·4 claims
- 0852US5423000AOperation control technique for computer system by driving a command procedure with reference to events recorded on a logging storage computer operation control by automatic decision making based on events on a logging storageHITACHI LTD·Filed 1993·Granted Jun 6, 1995·26 cites·13 claims
- 0951US5293618AMethod for controlling access to a shared file and apparatus thereforHITACHI LTD·Filed 1990·Granted Mar 8, 1994·28 cites·4 claims
- 1050US2005285537A1Fluorescent lampINAGAKI FUMIHIRO·Filed 2005·Application pending·0 cites
- 1149US7986082B2Fluorescent lamp with glass tube and protective layer, method for producing the same, and lighting systemPANASONIC CORP·Filed 2006·Granted Jul 26, 2011·0 cites·12 claims
- 1248USD537731SContainer for glue with standTAOKA CHEMICAL CO LTD·Filed 2005·Granted Mar 6, 2007·7 cites·1 claims
- 1348US2010277057A1Fluorescent lampPANASONIC CORP·Filed 2010·Application pending·0 cites
- 1445US7098586B2Method of evaluating whiteness, method of evaluating comparative whiteness, light source and luminaireMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Aug 29, 2006·1 cites·18 claims
- 1543US7129629B2Method of evaluating whiteness, method of evaluating comparative whiteness, light source and luminaireMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2005·Granted Oct 31, 2006·0 cites·26 claims
- 1641US4144113AAdhesive compositionSUMITOMO CHEMICAL CO·Filed 1977·Granted Mar 13, 1979·7 cites·7 claims
- 1738US5072814AHydraulically operable transmissionKUBOTA KK·Filed 1990·Granted Dec 17, 1991·9 cites·5 claims
- 1833US5135691ALow temperature sintering of ceramic materialsWASHINGTON TECHNOLOGY CENTRE·Filed 1987·Granted Aug 4, 1992·6 cites·32 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →