Yasushi Ishihama

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Tsukuba, JP

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Patents Grantslast 30 patents

Information Patent Grant
Absolute quantitation of protein contents based on exponentially mo...
- Patent number 7,910,372
- Issue date Mar 22, 2011
- Eisai R&D Management Co., Ltd.
- Yasushi Ishihama
- G01 - MEASURING TESTING
Information Patent Grant
Mass spectrometric quantitation method for biomolecules based on me...
- Patent number 7,759,130
- Issue date Jul 20, 2010
- Eisai R&D Management Co., Ltd.
- Yoshiya Oda
- G01 - MEASURING TESTING
Information Patent Grant
Column packaging for chromatography
- Patent number 6,929,741
- Issue date Aug 16, 2005
- Eisai Co., Ltd.
- Eiichi Yamamoto
- G01 - MEASURING TESTING
Information Patent Grant
Capillary having coated inner wall
- Patent number 6,586,065
- Issue date Jul 1, 2003
- Eisai Co., Ltd.
- Hiroyuki Katayama
- G01 - MEASURING TESTING
Information Patent Grant
Splitted tubing apparatus for gradient high performance liquid chro...
- Patent number 6,581,442
- Issue date Jun 24, 2003
- Eisai Co., Ltd.
- Kaoru Murata
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
Quantitation Method Using Isotope Labeled Internal Standard Substan...
- Publication number 20110022326
- Publication date Jan 27, 2011
- Eisai R&B Managament Co., Ltd.
- Yoshiya ODA
- G01 - MEASURING TESTING
Information Patent Application
Quantitation method using isotope labeled internal standard substan...
- Publication number 20070134806
- Publication date Jun 14, 2007
- Yoshiya Oda
- G01 - MEASURING TESTING
Information Patent Application
System and method of manufacturing tip device
- Publication number 20060048367
- Publication date Mar 9, 2006
- Eisai Co., Ltd.
- Yasushi Ishihama
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Column packaging for chromatography
- Publication number 20030003311
- Publication date Jan 2, 2003
- Eiichi Yamamoto
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL