Inventor · disambiguated record
Kazumi Oi
Also filed as: OI KAZUMI
12 granted patents·13 pending applications·113 citations·filing 1998–2025
85Inventor score
Files withDAINIPPON INK & CHEMICALS25
Top patents by PatentIndex Score
25 records- 0185US6158721AApparatus and method for adding carbon dioxide gas to ultra pure waterDAINIPPON INK & CHEMICALS·Filed 1998·Granted Dec 12, 2000·102 cites·17 claims
- 0275US2025288959A1Hollow fiber degassing module, inkjet printer, and method for degassing liquidDAINIPPON INK & CHEMICALS·Filed 2025·Application pending·0 cites
- 0372US11542185B2Resistivity adjustment device and resistivity adjustment methodDAINIPPON INK & CHEMICALS·Filed 2017·Granted Jan 3, 2023·1 cites·11 claims
- 0467US12115505B2Resistivity value regulating device and resistivity value regulating methodDAINIPPON INK & CHEMICALS·Filed 2022·Granted Oct 15, 2024·0 cites·13 claims
- 0565US2023201745A1Tube unit, degassing module, and method of manufacturing tube unitDAINIPPON INK & CHEMICALS·Filed 2021·Application pending·0 cites
- 0664US2025352997A1Chemical analysis deviceDAINIPPON INK & CHEMICALS·Filed 2023·Application pending·0 cites
- 0764US2025352998A1Chemical analysis deviceDAINIPPON INK & CHEMICALS·Filed 2023·Application pending·0 cites
- 0862US6884359B2Apparatus and method for controlling resistivity of ultra pure waterDAINIPPON INK & CHEMICALS·Filed 2001·Granted Apr 26, 2005·10 cites·19 claims
- 0961US12409418B2Hollow fiber degassing module, inkjet printer, and method for degassing liquidDAINIPPON INK & CHEMICALS·Filed 2020·Granted Sep 9, 2025·0 cites·15 claims
- 1061US2025340456A1Chemical analysis deviceDAINIPPON INK & CHEMICALS·Filed 2023·Application pending·0 cites
- 1160US2025121302A1System for measuring fine particles in liquid, method for measuring fine particles in liquid, and hollow fiber deaeration moduleDAINIPPON INK & CHEMICALS·Filed 2022·Application pending·0 cites
- 1260US2025355007A1Chemical analysis deviceDAINIPPON INK & CHEMICALS·Filed 2023·Application pending·0 cites
- 1357US2025050242A1Degassing module and method for degassing liquidDAINIPPON INK & CHEMICALS·Filed 2022·Application pending·0 cites
- 1455US2025375719A1DeaeratorDAINIPPON INK & CHEMICALS·Filed 2023·Application pending·0 cites
- 1554US11524267B2Resistivity value regulating device and resistivity value regulating methodDAINIPPON INK & CHEMICALS·Filed 2017·Granted Dec 13, 2022·0 cites·13 claims
- 1653US2024286098A1Resistivity adjustment device and resistivity adjustment methodDAINIPPON INK & CHEMICALS·Filed 2022·Application pending·0 cites
- 1753US2024075411A1Degassing apparatusDAINIPPON INK & CHEMICALS·Filed 2021·Application pending·0 cites
- 1852US12090445B2Tube unit and degassing moduleDAINIPPON INK & CHEMICALS·Filed 2020·Granted Sep 17, 2024·0 cites·5 claims
- 1951US11478753B2Hollow fiber membrane module and production method therefor, and epoxy resin used in hollow fiber membrane and production methodDAINIPPON INK & CHEMICALS·Filed 2017·Granted Oct 25, 2022·0 cites·10 claims
- 2049US11602703B2Degasification system, liquid degasification method, degasification module, method for manufacturing degasification system, and method for producing natural resourcesDAINIPPON INK & CHEMICALS·Filed 2019·Granted Mar 14, 2023·0 cites·25 claims
- 2146US2022062794A1Degassing system, method for degassing liquids, degassing unit, degassing module, and degassing-system manufacturing method and method of production from natural resourcesDAINIPPON INK & CHEMICALS·Filed 2019·Application pending·0 cites
- 2245US10792623B2Device for adjusting specific resistance value and method for adjusting specific resistance valueDAINIPPON INK & CHEMICALS·Filed 2016·Granted Oct 6, 2020·0 cites·18 claims
- 2345US10328390B2Hollow-fiber degassing module and inkjet printerDAINIPPON INK & CHEMICALS·Filed 2015·Granted Jun 25, 2019·0 cites·10 claims
- 2443US10821378B2Hollow fiber degassing module, and method of degassing liquid using said hollow fiber degassing moduleDAINIPPON INK & CHEMICALS·Filed 2017·Granted Nov 3, 2020·0 cites·11 claims
- 2536US2018056665A1Hollow-fiber degassing module and inkjet printerDAINIPPON INK & CHEMICALS·Filed 2015·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →