Kazuya MAYUMI

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Production method for indan and hydrindane
- Patent number 12,331,013
- Issue date Jun 17, 2025
- ENEOS Corporation
- Yasuhiro Araki
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Method for producing xylene
- Patent number 11,459,283
- Issue date Oct 4, 2022
- ENEOS Corporation
- Kazuya Mayumi
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Indene composition
- Patent number 11,377,405
- Issue date Jul 5, 2022
- ENEOS Corporation
- Atsushi Segawa
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
HYDROCARBON PRODUCTION APPARATUS AND HYDROCARBON PRODUCTION METHOD
- Publication number 20240271045
- Publication date Aug 15, 2024
- ENEOS Corporation
- Atsushi KOBAYASHI
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
PRODUCTION METHOD FOR INDAN AND HYDRINDANE
- Publication number 20240051899
- Publication date Feb 15, 2024
- ENEOS Corporation
- Yasuhiro ARAKI
- C07 - ORGANIC CHEMISTRY
Information Patent Application
INDENE COMPOSITION
- Publication number 20210395172
- Publication date Dec 23, 2021
- ENEOS Corporation
- Atsushi SEGAWA
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METHOD FOR PRODUCING XYLENE
- Publication number 20210347713
- Publication date Nov 11, 2021
- ENEOS Corporation
- Kazuya MAYUMI
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL