Inventor · disambiguated record
Kazuhiko Hamada
Also filed as: HAMADA KAZUHIKO
17 granted patents·1 pending application·508 citations·filing 1977–2020
94Inventor score
Top patents by PatentIndex Score
18 records- 0194US4154744AProcess for producing a furan derivativeSUMITOMO CHEMICAL CO·Filed 1977·Granted May 15, 1979·39 cites·9 claims
- 0293US6529875B1Voice recognizer, voice recognizing method and game machine using themSEGA ENTERPRISES KK·Filed 1997·Granted Mar 4, 2003·323 cites·20 claims
- 0392US4424390AProcess for producing 5-halomethylfurfuralSUMITOMO CHEMICAL CO·Filed 1982·Granted Jan 3, 1984·31 cites·8 claims
- 0489US4335049AProcess for producing 5-methylfurfuralSUMITOMO CHEMICAL CO·Filed 1981·Granted Jun 15, 1982·30 cites·6 claims
- 0572US4760149AAsymmetrically modified boron hydride type compound, a production method thereof, and a method for producing an optically active alcohol derivative by the use thereofSUMITOMO CHEMICAL CO·Filed 1985·Granted Jul 26, 1988·10 cites·23 claims
- 0671US4749809AOptically active borane complex and a method for producing an optically active alcohol derivative by the use thereofSUMITOMO CHEMICAL CO·Filed 1985·Granted Jun 7, 1988·8 cites·6 claims
- 0763US10999662B2Speaker deviceONKYO KK·Filed 2018·Granted May 4, 2021·2 cites·5 claims
- 0860US10764662B2Speaker system and enclosure structure of speaker systemDENSO TEN LTD·Filed 2019·Granted Sep 1, 2020·1 cites·15 claims
- 0960US4429163APreparation of p-hydroxybenzaldehyde derivativesSUMITOMO CHEMICAL CO·Filed 1981·Granted Jan 31, 1984·7 cites·9 claims
- 1056US5732276AMachine translation deviceNEC CORP·Filed 1995·Granted Mar 24, 1998·40 cites·5 claims
- 1155US7292706B2Support structure of loudspeaker unit and loudspeaker systemFUJITSU TEN LTD·Filed 2004·Granted Nov 6, 2007·6 cites·20 claims
- 1254US4542235AMethod for producing an optically active 2,2-dimethylcyclopropanecarboxylic acidSUMITOMO CHEMICAL CO·Filed 1983·Granted Sep 17, 1985·4 cites·7 claims
- 1353US4923999AOptically active borane complex and a method for producing an optically active alcohol derivative by the use thereofSUMITOMO CHEMICAL CO·Filed 1988·Granted May 8, 1990·3 cites·4 claims
- 1450US4584410AProcess for the preparation of hydroxybenzaldehydesSUMITOMO CHEMICAL CO·Filed 1984·Granted Apr 22, 1986·3 cites·6 claims
- 1539US5041651AAsymmetrically modified boron hydride type compound and a method for producing an optically active alcohol derivative by the use thereofSUMITOMO CHEMICAL CO·Filed 1988·Granted Aug 20, 1991·1 cites·36 claims
- 1638US2021243520A1Speaker unitDENSO TEN LTD·Filed 2020·Application pending·0 cites
- 1732US8456563B2Solid-state imaging device with on chip lenses with adjust characteristics to render pixel output sensitivities more uniformHAMADA KAZUHIKO·Filed 2010·Granted Jun 4, 2013·0 cites·8 claims
- 1830US4469894AProcess for preparation of hydroxybenzaldehydesSUMITOMO CHEMICAL CO·Filed 1982·Granted Sep 4, 1984·0 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →