Inventor

UTAKI TAKAHISA

JP5 patents

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

OSAKA GAS CO LTD

2 patents

US9944575B2Apr 17, 2018

Methane gas concentration method

OSAKA GAS CO LTD3 citations67

US9732297B2Aug 15, 2017

Gas purification method

OSAKA GAS CO LTD0 citations33

UTAKI TAKAHISA

2 patents

US8974575B2Mar 10, 2015

Method of enriching combustible gas

UTAKI TAKAHISA2 citations54

US8940081B2Jan 27, 2015

Combustible gas enrichment apparatus

UTAKI TAKAHISA2 citations51

MORIOKA HAJIME

1 patent

US8932387B2Jan 13, 2015

Enrichment system for combustible gas

MORIOKA HAJIME0 citations24