Seiji Aoki

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for preparing dimethyl ether and process for preparing a mi...
- Patent number 8,536,385
- Issue date Sep 17, 2013
- Inpex Corporation
- Keiichi Okuyama
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Medium oil for slurry-bed reaction process and process of producing...
- Patent number 7,015,255
- Issue date Mar 21, 2006
- JFE Holdings, Inc.
- Keiji Tomura
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Separation and purification method of xylenol isomer
- Patent number 6,150,566
- Issue date Nov 21, 2000
- Adchemco Corporation
- Tetsuo Hachiya
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method of removing alkyltetralins from an alkylbenzene mixture
- Patent number 5,414,191
- Issue date May 9, 1995
- NKK Corporation
- Seiji Aoki
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method and an apparatus for sealing a nose of a packaging flat tube...
- Patent number 4,622,801
- Issue date Nov 18, 1986
- Taiyo Shokai Co., Ltd.
- Seiji Aoki
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL

Patents Applicationslast 30 patents

Information Patent Application
Medium oil used for a synthesis reaction, process for preparing dim...
- Publication number 20100317747
- Publication date Dec 16, 2010
- Inpex Corporation
- Keiichi Okuyama
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Method for preparing synthesis gas, method for preparing dimethyl e...
- Publication number 20060120953
- Publication date Jun 8, 2006
- Keiichi Okuyama
- C07 - ORGANIC CHEMISTRY