HAYAKAWA; Kunihiro

Patent Applications and Registrations

Patent applications and USPTO patent grants for HAYAKAWA; Kunihiro.The latest application filed is for "chemical dosing control method".

Company Profile

3.10.12

HAYAKAWA; Kunihiro - Tokyo JP
HAYAKAWA; Kunihiro - Nakano-ku Tokyo
Hayakawa; Kunihiro - Hasuda JP
Hayakawa; Kunihiro - Hasuda-shi JP

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Chemical Dosing Control Method App 20220097007 - OHTSUKA; Yuta ; et al.	2022-03-31
Recovery method for discharged cooling water Grant 11,130,694 - Hayakawa , et al. September 28, 2	2021-09-28
Agent and method for cleaning permeable membranes Grant 10,307,713 - Aoki , et al.	2019-06-04
Method for operating reverse osmosis membrane device, and reverse osmosis membrane device Grant 10,252,219 - Hayakawa , et al.	2019-04-09
Reverse-osmosis-membrane device and method for operating the same Grant 10,239,019 - Hayakawa , et al.	2019-03-26
Method for improving rejection rate of reverse osmosis membrane Grant 10,046,280 - Hayakawa , et al. August 14, 2	2018-08-14
Recovery Method And Recovery Device For Discharged Cooling Water App 20180194659 - HAYAKAWA; Kunihiro ; et al.	2018-07-12
Reverse-osmosis-membrane Device And Method For Operating The Same App 20170232389 - HAYAKAWA; Kunihiro ; et al.	2017-08-17
Method for improving rejection of reverse osmosis membrane, treatment agent for improving rejection, and reverse osmosis membrane Grant 9,498,754 - Kawakatsu , et al. November 22, 2	2016-11-22
Method For Operating Reverse Osmosis Membrane Device, And Reverse Osmosis Membrane Device App 20160016122 - HAYAKAWA; Kunihiro ; et al.	2016-01-21
Multi-stage Reverse Osmosis Membrane System And Operation Method Thereof App 20150376034 - HAYAKAWA; Kunihiro ; et al.	2015-12-31
Method For Improving Rejection Rate Of Reverse Osmosis Membrane, Rejection Rate Improving Agent, And Reverse Osmosis Membrane App 20150306545 - HAYAKAWA; Kunihiro ; et al.	2015-10-29
Method and apparatus for further purifying ultrapure water Grant 9,156,001 - Kobayashi , et al. October 13, 2	2015-10-13
Agent And Method For Cleaning Permeable Membranes App 20150045276 - Aoki; Tetsuya ; et al.	2015-02-12
Method For Improving Rejection Of Reverse Osmosis Membrane, Treatment Agent For Improving Rejection, And Reverse Osmosis Membrane App 20130324664 - Kawakatsu; Takahiro ; et al.	2013-12-05
Agent for increasing rejection with a permeable membrane, process for increasing the rejection, permeable membrane and process for water treatment Grant 8,025,159 - Kawakatsu , et al. September 27, 2	2011-09-27
Method Of Enhancing Rejection Of Permeation Membrane, Rejection-enhanced Membrane, Method And Apparatus For Treatment By Permeation Membrane App 20100136238 - Hayakawa; Kunihiro ; et al.	2010-06-03
Method And Apparatus For Further Purifying Ultrapure Water App 20100044311 - Kobayashi; Hideki ; et al.	2010-02-25
Agent for Increasing Rejection with a Permeable Membrane, Process for Increasing the Rejection, Permeable Membrane and Process for Water Treatment App 20090032466 - Kawakatsu; Takahiro ; et al.	2009-02-05

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