Inventor · disambiguated record
Kunihiro Hayakawa
Also filed as: HAYAKAWA KUNIHIRO
9 granted patents·5 pending applications·16 citations·filing 2005–2022
79Inventor score
Top patents by PatentIndex Score
14 records- 0190US10046280B2Method for improving rejection rate of reverse osmosis membraneKURITA WATER IND LTD·Filed 2013·Granted Aug 14, 2018·10 cites·13 claims
- 0272US10307713B2Agent and method for cleaning permeable membranesKURITA WATER IND LTD·Filed 2013·Granted Jun 4, 2019·1 cites·12 claims
- 0371US8025159B2Agent for increasing rejection with a permeable membrane, process for increasing the rejection, permeable membrane and process for water treatmentKURITA WATER IND LTD·Filed 2005·Granted Sep 27, 2011·5 cites·12 claims
- 0466US12497307B2Method for operating demineralization apparatusKURITA WATER IND LTD·Filed 2021·Granted Dec 16, 2025·0 cites·5 claims
- 0558US2025099916A1Silica fouling inhibition method and silica fouling inhibitor for reverse osmosis membrane systemKURITA WATER IND LTD·Filed 2022·Application pending·0 cites
- 0657US10252219B2Method for operating reverse osmosis membrane device, and reverse osmosis membrane deviceKURITA WATER IND LTD·Filed 2014·Granted Apr 9, 2019·0 cites·3 claims
- 0756US2025051203A1Microorganism contamination prevention method for water systemKURITA WATER IND LTD·Filed 2022·Application pending·0 cites
- 0852US10239019B2Reverse-osmosis-membrane device and method for operating the sameKURITA WATER IND LTD·Filed 2014·Granted Mar 26, 2019·0 cites·7 claims
- 0951US2015376034A1Multi-stage reverse osmosis membrane system and operation method thereofKURITA WATER IND LTD·Filed 2014·Application pending·0 cites
- 1049US9156001B2Method and apparatus for further purifying ultrapure waterKOBAYASHI HIDEKI·Filed 2007·Granted Oct 13, 2015·0 cites·13 claims
- 1146US2010136238A1Method of enhancing rejection of permeation membrane, rejection-enhanced membrane, method and apparatus for treatment by permeation membraneHAYAKAWA KUNIHIRO·Filed 2008·Application pending·0 cites
- 1244US2022097007A1Chemical dosing control methodKURITA WATER IND LTD·Filed 2020·Application pending·0 cites
- 1343US11130694B2Recovery method for discharged cooling waterKURITA WATER IND LTD·Filed 2016·Granted Sep 28, 2021·0 cites·10 claims
- 1440US9498754B2Method for improving rejection of reverse osmosis membrane, treatment agent for improving rejection, and reverse osmosis membraneKAWAKATSU TAKAHIRO·Filed 2012·Granted Nov 22, 2016·0 cites·20 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →