Inventor · disambiguated record
Yoshikazu Ishitsuka
Also filed as: ISHITSUKA YOSHIKAZU
8 granted patents·5 pending applications·421 citations·filing 1990–2009
89Inventor score
Top patents by PatentIndex Score
13 records- 0194US7939706B2Automatic urine disposal device and urine receptacle used thereforHITACHI LTD·Filed 2007·Granted May 10, 2011·98 cites·9 claims
- 0294USD625407SAutomatic urine accumulatorHITACHI LTD·Filed 2009·Granted Oct 12, 2010·70 cites·1 claims
- 0394US7220250B2Urine receiver and urine collection processing system implementing urine receiverHITACHI LTD·Filed 2005·Granted May 22, 2007·129 cites·14 claims
- 0493US7722584B2Automatic urine collection apparatusHITACHI LTD·Filed 2007·Granted May 25, 2010·103 cites·11 claims
- 0554US8529534B2Excrement treating apparatusTANAKA TETSUYA·Filed 2009·Granted Sep 10, 2013·1 cites·3 claims
- 0651US2011060299A1Automatic urine disposal apparatusWADA ICHIRO·Filed 2009·Application pending·0 cites
- 0750USD536782SAutomatic urine accumulatorHITACHI LTD·Filed 2005·Granted Feb 13, 2007·8 cites·1 claims
- 0850US2011265889A1Automatic Urine Collecting DeviceHITACHI LTD·Filed 2009·Application pending·0 cites
- 0947US2005070861A1Automatic urine disposal device and urine receptacle used thereforFiled 2004·Application pending·0 cites
- 1045USD564655SAutomatic urine accumulatorHITACHI LTD·Filed 2006·Granted Mar 18, 2008·6 cites·1 claims
- 1142US2005070862A1Automatic urine disposal deviceFiled 2004·Application pending·0 cites
- 1241US5061092AMulticolor thermal printer recording medium transmission mechanismHITACHI LTD·Filed 1990·Granted Oct 29, 1991·6 cites·14 claims
- 1338US2006159567A1Hand-held vacuum pump and automated urinary drainage system using pump thereofTAZOE WATARU·Filed 2005·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →