Inventor · disambiguated record
Satoshi Hirokawa
Also filed as: HIROKAWA SATOSHI
10 granted patents·1 pending application·254 citations·filing 1999–2011
92Inventor score
Files withRICHELL U S A INC4RICHELL USA INC3HIROKAWA SATOSHI1HITACHI ELECTRONICS1HITACHI INT ELECTRIC INC1
Top patents by PatentIndex Score
11 records- 0195US7954456B2Freestanding pet barrierRICHELL U S A INC·Filed 2010·Granted Jun 7, 2011·25 cites·20 claims
- 0295US7568449B2Freestanding pet barrierRICHELL U S A INC·Filed 2005·Granted Aug 4, 2009·45 cites·36 claims
- 0394US7739983B2Freestanding pet barrierRICHELL U S A INC·Filed 2009·Granted Jun 22, 2010·25 cites·20 claims
- 0493US8230816B2Freestanding pet barrierHIROKAWA SATOSHI·Filed 2011·Granted Jul 31, 2012·24 cites·13 claims
- 0588US7395784B2Pet toiletRICHELL USA INC·Filed 2005·Granted Jul 8, 2008·21 cites·32 claims
- 0687USD579609SFreestanding pet barrierRICHELL U S A INC·Filed 2006·Granted Oct 28, 2008·43 cites·1 claims
- 0781US6647632B2Position measuring apparatusHITACHI INT ELECTRIC INC·Filed 2002·Granted Nov 18, 2003·28 cites·12 claims
- 0861USD533974SPet toiletRICHELL USA INC·Filed 2004·Granted Dec 19, 2006·12 cites·1 claims
- 0960US6111649AThickness measuring apparatus using light from slitHITACHI ELECTRONICS·Filed 1999·Granted Aug 29, 2000·24 cites·15 claims
- 1048USD536841SPet toilet seatRICHELL USA INC·Filed 2004·Granted Feb 13, 2007·7 cites·1 claims
- 1133US2004008352A1Precision size measuring apparatusFiled 2003·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →