Inventor · disambiguated record
Kunio Niwa
Also filed as: NIWA KUNIO
25 granted patents·5 pending applications·588 citations·filing 1990–2023
96Inventor score
Top patents by PatentIndex Score
30 records- 0193US5400072AVideo camera unit having an airtight mounting arrangement for an image sensor chipHITACHI LTD·Filed 1990·Granted Mar 21, 1995·153 cites·20 claims
- 0292US5673083ASemiconductor device and video camera unit having the same and method for manufacturing the sameHITACHI LTD·Filed 1995·Granted Sep 30, 1997·119 cites·4 claims
- 0388US11492463B2Rubber composition for tennis ball and tennis ballSUMITOMO RUBBER IND·Filed 2018·Granted Nov 8, 2022·2 cites·8 claims
- 0487US7712231B2ShoeSRI SPORTS LTD·Filed 2006·Granted May 11, 2010·42 cites·16 claims
- 0587US5274456ASemiconductor device and video camera unit using it and their manufacturing methodHITACHI LTD·Filed 1992·Granted Dec 28, 1993·99 cites·26 claims
- 0683US6335100B1Structural material and process for its productionSUMITOMO RUBBER IND·Filed 1992·Granted Jan 1, 2002·42 cites·20 claims
- 0773US7273430B2Tennis racket frameSRI SPORTS LTD·Filed 2006·Granted Sep 25, 2007·10 cites·9 claims
- 0870US12319845B2Aqueous adhesive for rubber and aqueous adhesive for ballSUMITOMO RUBBER IND·Filed 2020·Granted Jun 3, 2025·0 cites·10 claims
- 0969US11078348B2Rubber composition for tennis ballSUMITOMO RUBBER IND·Filed 2019·Granted Aug 3, 2021·2 cites·12 claims
- 1069US7137912B2Tennis racketSRI SPORTS LTD·Filed 2005·Granted Nov 21, 2006·7 cites·7 claims
- 1168US7431673B2RacketSRI SPORTS LTD·Filed 2006·Granted Oct 7, 2008·7 cites·10 claims
- 1265US5424021AMethod of making a shock resistant tool comprising a fiber reinforced cyclopentadiene resin matrixSUMITOMO RUBBER IND·Filed 1993·Granted Jun 13, 1995·27 cites·3 claims
- 1364US6688997B2Racket with reduced yoke rigiditySUMITOMO RUBBER IND·Filed 2002·Granted Feb 10, 2004·12 cites·11 claims
- 1464US6663514B2Racket with vibration damping yokeSUMITOMO RUBBER IND·Filed 2002·Granted Dec 16, 2003·12 cites·16 claims
- 1557US7059981B2Racket frameSRI SPORTS LTD·Filed 2004·Granted Jun 13, 2006·7 cites·13 claims
- 1656US2020109318A1Adhesive for tennis ballSUMITOMO RUBBER IND·Filed 2019·Application pending·0 cites
- 1755US11618813B2Rubber composition for hollow ball and hollow ballSUMITOMO RUBBER IND·Filed 2018·Granted Apr 4, 2023·0 cites·20 claims
- 1855US7912368B2Eyepiece lens system, finder optical system, and electronic viewfinder of imaging apparatus and imaging apparatusPANASONIC CORP·Filed 2009·Granted Mar 22, 2011·1 cites·26 claims
- 1955US7074142B2Racket frameSRI SPORTS LTD·Filed 2004·Granted Jul 11, 2006·4 cites·8 claims
- 2052US2024140672A1Tennis ball containerSUMITOMO RUBBER IND·Filed 2023·Application pending·0 cites
- 2151US2008015063A1Racket frame and racketSRI SPORTS LTD·Filed 2007·Application pending·0 cites
- 2250US10940369B2Rubber composition for hollow ball and hollow ballSUMITOMO RUBBER IND·Filed 2018·Granted Mar 9, 2021·0 cites·17 claims
- 2344US5102729ASpeaker diaphragmSUMITOMO RUBBER IND·Filed 1991·Granted Apr 7, 1992·16 cites·13 claims
- 2444US2021346769A1String for use in racketSUMITOMO RUBBER IND·Filed 2021·Application pending·0 cites
- 2542US2008082704A1Data processing apparatus for data transmission and reception and data transfer method for data transfer system including the data processing apparatusNEC ELETRONICS CORP·Filed 2007·Application pending·0 cites
- 2637US5082437AReaction injection machine utilizing a plurality of reactant liquidsSUMITOMO RUBBER IND·Filed 1990·Granted Jan 21, 1992·9 cites·13 claims
- 2735US6310334B1Surface current heating apparatus having spaced-apart hollow heat generating members with conductor extending therethroughNA CORP·Filed 1998·Granted Oct 30, 2001·8 cites·30 claims
- 2832USD1096402SLid for a containerSUMITOMO RUBBER IND·Filed 2023·Granted Oct 7, 2025·0 cites·1 claims
- 2931US6185700B1Method and device for evaluating a programNEC CORP·Filed 1996·Granted Feb 6, 2001·4 cites·5 claims
- 3031US5114145ATennis racket frameSUMITOMO RUBBER IND·Filed 1990·Granted May 19, 1992·5 cites·11 claims
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