Inventor · disambiguated record
Takahisa Utaki
Also filed as: UTAKI TAKAHISA
5 granted patents·7 citations·filing 2011–2014
68Inventor score
Technology areasB01D
Top patents by PatentIndex Score
5 records- 0170US9944575B2Methane gas concentration methodOSAKA GAS CO LTD·Filed 2014·Granted Apr 17, 2018·3 cites·4 claims
- 0261US8974575B2Method of enriching combustible gasUTAKI TAKAHISA·Filed 2011·Granted Mar 10, 2015·2 cites·2 claims
- 0359US8940081B2Combustible gas enrichment apparatusUTAKI TAKAHISA·Filed 2011·Granted Jan 27, 2015·2 cites·6 claims
- 0442US9732297B2Gas purification methodOSAKA GAS CO LTD·Filed 2014·Granted Aug 15, 2017·0 cites·4 claims
- 0527US8932387B2Enrichment system for combustible gasMORIOKA HAJIME·Filed 2011·Granted Jan 13, 2015·0 cites·5 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →