Inventor · disambiguated record
Hirofumi Il
Also filed as: IL HIROFUMI
4 granted patents·0 citations·filing 2013–2015
52Inventor score
Files withUBE INDUSTRIES4
Top patents by PatentIndex Score
4 records- 0142US9499473B2Method for producing nitrous acid ester, and method for producing dialkyl oxalate and dialkyl carbonateUBE INDUSTRIES·Filed 2013·Granted Nov 22, 2016·0 cites·10 claims
- 0237US10351508B2Carbonate ester purification method, carbonate ester solution production method, and carbonate ester purification apparatusUBE INDUSTRIES·Filed 2015·Granted Jul 16, 2019·0 cites·4 claims
- 0337US9835551B2Infrared gas analysis device, and method for using sameUBE INDUSTRIES·Filed 2015·Granted Dec 5, 2017·0 cites·11 claims
- 0433US9776950B2Ester production method and ester production deviceUBE INDUSTRIES·Filed 2015·Granted Oct 3, 2017·0 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →