Kazuyuki Akita

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Patents Grantslast 30 patents

Information Patent Grant
Sample supply apparatus for simulated moving bed chromatographic de...
- Patent number 6,896,797
- Issue date May 24, 2005
- Daicel Chemical Industries, Ltd.
- Kazuyuki Akita
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Concentrator
- Patent number 6,849,155
- Issue date Feb 1, 2005
- Daicel Chemical Industries, Ltd.
- Kazuyuki Akita
- C13 - SUGAR INDUSTRY
Information Patent Grant
Process for producing highly purified acetic acid
- Patent number 5,756,836
- Issue date May 26, 1998
- Daicel Chemical Industries, Ltd.
- Masahiko Shimizu
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing acetic anhydride alone or acetic anhydride an...
- Patent number 5,648,531
- Issue date Jul 15, 1997
- Daicel Chemical Industries, Ltd.
- Yoshiaki Morimoto
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Purification of acetic anhydride or acetic anhydride and acetic aci...
- Patent number 5,362,365
- Issue date Nov 8, 1994
- Daicel Chemical Industries, Ltd.
- Hiroyuki Niijima
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
Concentrator
- Publication number 20030094245
- Publication date May 22, 2003
- Kazuyuki Akita
- C13 - SUGAR INDUSTRY
Information Patent Application
Sample supply apparatus for simulated moving bed chromatographic de...
- Publication number 20030089649
- Publication date May 15, 2003
- Kazuyuki Akita
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL