Inventor · disambiguated record
Kenji Tamada
Also filed as: TAMADA KENJI
23 granted patents·2 pending applications·173 citations·filing 1982–2016
95Inventor score
Top patents by PatentIndex Score
25 records- 0195US9541137B2Cooling structure for bearing deviceNTN TOYO BEARING CO LTD·Filed 2013·Granted Jan 10, 2017·15 cites·14 claims
- 0293US6843605B2Roller thrust bearingNTN TOYO BEARING CO LTD·Filed 2002·Granted Jan 18, 2005·28 cites·20 claims
- 0386US10280980B2Cooling structure for bearing deviceNTN TOYO BEARING CO LTD·Filed 2016·Granted May 7, 2019·3 cites·5 claims
- 0479US7707723B2Method of producing a roller thrust bearing having a plurality of rows of rollersNTN TOYO BEARING CO LTD·Filed 2005·Granted May 4, 2010·5 cites·2 claims
- 0573US5150974AGrease-sealed bearing with oxide layersNTN TOYO BEARING CO LTD·Filed 1990·Granted Sep 29, 1992·29 cites·2 claims
- 0669US7273319B2Roller thrust bearingNTN TOYO BEARING CO LTD·Filed 2004·Granted Sep 25, 2007·8 cites·8 claims
- 0769USD305775SCopying machineSILVER SEIKO·Filed 1986·Granted Jan 30, 1990·12 cites·1 claims
- 0869USD273117STypewriter for European languagesSILVER SEIKO·Filed 1982·Granted Mar 20, 1984·11 cites·1 claims
- 0961USD284771SMenu printerSILVER SEIKO·Filed 1984·Granted Jul 22, 1986·9 cites·1 claims
- 1060US9217471B2Lubricant composition and bearing using sameKOHARA MIKA·Filed 2012·Granted Dec 22, 2015·0 cites·10 claims
- 1160USD286057SRibbon cassette for typewriterSILVER SEIKO·Filed 1984·Granted Oct 7, 1986·8 cites·1 claims
- 1257US8188016B2Lubricant composition and bearing using sameKOHARA MIKA·Filed 2004·Granted May 29, 2012·3 cites·8 claims
- 1351USD299249STypewriterSILVER SEIKO·Filed 1986·Granted Jan 3, 1989·6 cites·1 claims
- 1450US7942586B2Thrust needle bearingNTN TOYO BEARING CO LTD·Filed 2004·Granted May 17, 2011·3 cites·9 claims
- 1550USD306249SCombined paper folder and envelope opener or similar articleSILVER SEIKO·Filed 1987·Granted Feb 27, 1990·6 cites·1 claims
- 1650USD300434STypewriterSILVER SEIKO·Filed 1986·Granted Mar 28, 1989·5 cites·1 claims
- 1750USD297714SScore collector for base-ball gameSILVER SEIKO·Filed 1985·Granted Sep 20, 1988·7 cites·1 claims
- 1847US2011000394A1Railway vehicle drive unitMIKI DAISUKE·Filed 2009·Application pending·0 cites
- 1946USD299248STypewriterSILVER SEIKO·Filed 1986·Granted Jan 3, 1989·5 cites·1 claims
- 2046US2010319569A1Railway vehicle drive unitMIKI DAISUKE·Filed 2009·Application pending·0 cites
- 2144USD291323STypewriterSILVER SEIKO·Filed 1985·Granted Aug 11, 1987·4 cites·1 claims
- 2234US5623847AMethod of and apparatus for deep drawingTOYOTA MOTOR CO LTD·Filed 1996·Granted Apr 29, 1997·4 cites·3 claims
- 2331USD291208SPrint wheel cartridge for typewriterSILVER SEIKO·Filed 1985·Granted Aug 4, 1987·2 cites·1 claims
- 2429USD290616STypewriterSILVER SEIKO·Filed 1985·Granted Jun 30, 1987·0 cites·1 claims
- 2528USD313239STypewriterSILVER SEIKO·Filed 1987·Granted Dec 25, 1990·0 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →