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Kazuyoshi Tokunaga
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Hitachinaka, JP
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last 30 patents
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Patent Grant
Centrifugal separator and administration of user and actual operati...
Patent number
6,679,821
Issue date
Jan 20, 2004
Hitachi Koko Co., Ltd.
Satoshi Numata
B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...
Information
Patent Grant
Simulation program for centrifugation using a fixed-angle rotor
Patent number
5,762,598
Issue date
Jun 9, 1998
Hitachi Koki Co., Ltd.
Peter Spragg
B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...
Information
Patent Grant
Apparatus and method for controlling centrifugal separator and cent...
Patent number
5,675,519
Issue date
Oct 7, 1997
Hitachi Koki Co., Ltd.
Mitsutoshi Yotsuyanagi
B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...
Information
Patent Grant
System for management of body rotation of centrifuge
Patent number
5,342,280
Issue date
Aug 30, 1994
Hitachi Koki Company Limited
Yoshitaka Niinai
B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...
Information
Patent Grant
Ink droplet expelling apparatus
Patent number
4,672,398
Issue date
Jun 9, 1987
Hitachi Ltd.
Tadashi Kuwabara
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS