Inventor · disambiguated record
Katsuhito Kuwahara
Also filed as: KUWAHARA KATSUHITO
20 granted patents·217 citations·filing 1996–2020
95Inventor score
Top patents by PatentIndex Score
20 records- 0197US10717567B2Discharge containerYOSHINO KOGYOSHO CO LTD·Filed 2017·Granted Jul 21, 2020·20 cites·5 claims
- 0292US9669973B2Double-walled containerHOSHINO SHINYA·Filed 2014·Granted Jun 6, 2017·24 cites·17 claims
- 0376US7048155B2Depression head for pump mechanismYOSHINO KOGYOSHO CO LTD·Filed 2002·Granted May 23, 2006·25 cites·9 claims
- 0473US6119902ALiquid jet pumpYOSHINO KOGYOSHO CO LTD·Filed 1999·Granted Sep 19, 2000·26 cites·3 claims
- 0570US8333290B2Variable discharge cap for a bottle-like container bodyKUWAHARA KATSUHITO·Filed 2008·Granted Dec 18, 2012·4 cites·15 claims
- 0669US9968743B2Quantitative syringe-type ejectorKUWAHARA KATSUHITO·Filed 2013·Granted May 15, 2018·5 cites·12 claims
- 0769US6502722B1Synthetic resin tube containerYOSHINO KOGYOSHO CO LTD·Filed 2000·Granted Jan 7, 2003·16 cites·10 claims
- 0867US7410079B2Accumulator-type liquid sprayerYOSHINO KOGYOSHO CO LTD·Filed 2002·Granted Aug 12, 2008·15 cites·9 claims
- 0965US9827577B2Ejection head and container provided with the sameKUWAHARA KATSUHITO·Filed 2012·Granted Nov 28, 2017·2 cites·6 claims
- 1065US8474656B2Viscous material extruding dispenserKUNISHI HIDETO·Filed 2007·Granted Jul 2, 2013·4 cites·9 claims
- 1160US6006950APump dispenser with rotatable nozzle trigger lockYOSHINO KOGYOSHO CO LTD·Filed 1997·Granted Dec 28, 1999·27 cites·5 claims
- 1256US6702156B2Non-leaking non-dripping liquid jet pumpYOSHINO KOGYOSHO CO LTD·Filed 2001·Granted Mar 9, 2004·5 cites·18 claims
- 1354US6938803B2Non-leaking non-dripping liquid jet pumpYOSHINO KOGYOSHO CO LTD·Filed 2004·Granted Sep 6, 2005·4 cites·7 claims
- 1451US7472809B2Non-leaking non-dripping liquid jet pumpYOSHINO KOGYOSHO CO LTD·Filed 2005·Granted Jan 6, 2009·0 cites·2 claims
- 1547US5924604ALiquid jetting pump with passageways for dispensing liquidsYOSHINO KOGYOSHO CO LTD·Filed 1996·Granted Jul 20, 1999·10 cites·4 claims
- 1645US11273459B2DischargerYOSHINO KOGYOSHO CO LTD·Filed 2018·Granted Mar 15, 2022·0 cites·12 claims
- 1744US6206303B1Manually operated spray device for liquidYOSHINO KOGYOSHO CO LTD·Filed 1998·Granted Mar 27, 2001·17 cites·12 claims
- 1842US11807427B2Double container pouring cap and double containerYOSHINO KOGYOSHO CO LTD·Filed 2020·Granted Nov 7, 2023·0 cites·13 claims
- 1941US9044771B2PumpKUWAHARA KATSUHITO·Filed 2011·Granted Jun 2, 2015·0 cites·8 claims
- 2039US6290145B1Spray unit that atomizes liquid at the start of the spray operationYOSHINO KOGYOSHO CO LTD·Filed 1999·Granted Sep 18, 2001·13 cites·8 claims
Join the waitlist — get patent alerts
Get an alert when Katsuhito Kuwahara files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →