P

Inventor

HIROSE MASAHIKO

JP47 patents
⚠️ This page may combine multiple inventors who share the name “HIROSE MASAHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NITTO DENKO CORP

22 patents
US5614099AMar 25, 1997

Highly permeable composite reverse osmosis membrane, method of producing the same, and method of using the same

NITTO DENKO CORP170 citations99
US6024873AFeb 15, 2000

Highly permeable composite reverse osmosis membrane and a reverse osmosis membrane module using the same

NITTO DENKO CORP98 citations98
US5733602AMar 31, 1998

Method for producing highly permeable composite reverse osmosis membrane

NITTO DENKO CORP125 citations98
US5576057ANov 19, 1996

Method of producing high permeable composite reverse osmosis membrane

NITTO DENKO CORP105 citations98
US5989426ANov 23, 1999

Osmosis membrane

NITTO DENKO CORP78 citations96
US5843351ADec 1, 1998

Highly permeable composite reverse osmosis membrane, method of producing the same

NITTO DENKO CORP93 citations96
US6709590B1Mar 23, 2004

Composite reverse osmosis membrane and method for producing the same

NITTO DENKO CORP22 citations93
US6723422B1Apr 20, 2004

Composite reverse osmosis membrane and process for preparing the same

NITTO DENKO CORP38 citations92
US6454942B1Sep 24, 2002

Liquid separation membrane module

NITTO DENKO CORP50 citations92
US6171497B1Jan 9, 2001

Highly permeable composite reverse osmosis membrane

NITTO DENKO CORP46 citations92
US5744039AApr 28, 1998

Composite semipermeable membrane and production method thereof

NITTO DENKO CORP37 citations92
US5674398AOct 7, 1997

Composite reverse osmosis membrane

NITTO DENKO CORP43 citations92
US6805796B2Oct 19, 2004

Water treatment apparatus

NITTO DENKO CORP42 citations91
US5510527AApr 23, 1996

Acid chloride

NITTO DENKO CORP22 citations91
US5336409AAug 9, 1994

Composite reverse osmosis membrane and novel acid chloride

NITTO DENKO CORP39 citations91
US6821430B2Nov 23, 2004

Method of treating reverse osmosis membrane element, and reverse osmosis membrane module

NITTO DENKO CORP43 citations89
US7081202B2Jul 25, 2006

Composite semipermeable membrane, production method thereof, and water treatment method using the same

NITTO DENKO CORP15 citations84
US6837381B2Jan 4, 2005

Highly permeable composite reverse osmosis membrane and method of producing the same

NITTO DENKO CORP11 citations74
US10996174B2May 4, 2021

Gas sensing element

NITTO DENKO CORP2 citations70
US10442709B2Oct 15, 2019

Selectively permeable graphene oxide membrane

NITTO DENKO CORP4 citations69
US12012493B2Jun 18, 2024

Composite semipermeable membrane and method for manufacturing same

NITTO DENKO CORP0 citations58
US11590458B2Feb 28, 2023

Composite semipermeable membrane and method for manufacturing same

NITTO DENKO CORP0 citations58

TOKYO SHIBAURA ELECTRIC CO

9 patents

JTEKT CORP

5 patents

TOSHIBA KK

3 patents

TEIJIN LTD

2 patents

HYDRANAUTICS

1 patent

HIROSE MASAHIKO

1 patent

OILES INDUSTRY CO LTD

1 patent

KYOCERA CORP

1 patent

KOYO SEIKO CO

1 patent

MAETANI MARAKI

1 patent