Inventor
OI KAZUMI
JP12 patents
Patents
12 patentsUS6158721ADec 12, 2000
Apparatus and method for adding carbon dioxide gas to ultra pure water
DAINIPPON INK & CHEMICALS102 citations95
US6884359B2Apr 26, 2005
Apparatus and method for controlling resistivity of ultra pure water
DAINIPPON INK & CHEMICALS10 citations71
US11542185B2Jan 3, 2023
Resistivity adjustment device and resistivity adjustment method
DAINIPPON INK & CHEMICALS1 citations61
US11478753B2Oct 25, 2022
Hollow fiber membrane module and production method therefor, and epoxy resin used in hollow fiber membrane and production method
DAINIPPON INK & CHEMICALS0 citations56
US12115505B2Oct 15, 2024
Resistivity value regulating device and resistivity value regulating method
DAINIPPON INK & CHEMICALS0 citations55
US11524267B2Dec 13, 2022
Resistivity value regulating device and resistivity value regulating method
DAINIPPON INK & CHEMICALS0 citations55
US12090445B2Sep 17, 2024
Tube unit and degassing module
DAINIPPON INK & CHEMICALS0 citations49
US12409418B2Sep 9, 2025
Hollow fiber degassing module, inkjet printer, and method for degassing liquid
DAINIPPON INK & CHEMICALS0 citations47
US10328390B2Jun 25, 2019
Hollow-fiber degassing module and inkjet printer
DAINIPPON INK & CHEMICALS0 citations47
US11602703B2Mar 14, 2023
Degasification system, liquid degasification method, degasification module, method for manufacturing degasification system, and method for producing natural resources
DAINIPPON INK & CHEMICALS0 citations46
US10792623B2Oct 6, 2020
Device for adjusting specific resistance value and method for adjusting specific resistance value
DAINIPPON INK & CHEMICALS0 citations40
US10821378B2Nov 3, 2020
Hollow fiber degassing module, and method of degassing liquid using said hollow fiber degassing module
DAINIPPON INK & CHEMICALS0 citations33