Katsuyama; Harumi

Patent Applications and Registrations

Patent applications and USPTO patent grants for Katsuyama; Harumi.The latest application filed is for "integral multilayer analytical element for analysis of ammonia-forming substrate".

Company Profile

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Katsuyama; Harumi - Asaka JP
Katsuyama; Harumi - Asaki JP
Katsuyama; Harumi - Saitama JP
Katsuyama; Harumi - Minamiashigarashi JP

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Integral multilayer analytical element for analysis of ammonia-forming substrate Grant 5,198,335 - Sekikawa , et al. March 30, 1	1993-03-30
Dry analysis element for the analysis of iron ions Grant 5,186,894 - Katsuyama February 16, 1	1993-02-16
Integral multilayer element for glucose analysis Grant 5,183,741 - Arai , et al. February 2, 1	1993-02-02
Dry analytical element containing self-developing substrate for use in analysis of liquid Grant 5,077,011 - Amano , et al. December 31, 1	1991-12-31
Analytical element having a polyacrylamide or derivative to minimize background for assaying enzyme activity Grant 5,006,458 - Kato , et al. * April 9, 1	1991-04-09
Dry analytical element having a spread control area for assaying enzyme activity Grant 4,889,797 - Amano , et al. December 26, 1	1989-12-26
Analytical element for measuring activity of creatine kinase Grant H622 - Kageyama , et al. April 4, 1	1989-04-04
Analytical element for analysis of an analyte Grant 4,786,595 - Arai , et al. November 22, 1	1988-11-22
Multilayer chemical analytical element Grant 4,781,890 - Arai , et al. November 1, 1	1988-11-01
Analytical reagent, analytical method, and multilayer chemical-analytical element Grant 4,721,670 - Osada , et al. January 26, 1	1988-01-26
Multilayer analytical element Grant 4,671,937 - Katsuyama , et al. June 9, 1	1987-06-09
Analytical element for dry analysis Grant 4,604,347 - Arai , et al. August 5, 1	1986-08-05
Quantitative analysis film and a method for colorimetric analysis using the same Grant 4,478,942 - Katsuyama , et al. October 23, 1	1984-10-23
Integral multi-layered element containing glucose oxidase for determining glucose Grant 4,452,887 - Kitajima , et al. June 5, 1	1984-06-05
Integral multilayer analytical element for the assay of total protein Grant 4,435,362 - Katsuyama , et al. March 6, 1	1984-03-06
Color indicator composition and film for detecting hydrogen peroxide Grant 4,418,037 - Katsuyama , et al. November 29, 1	1983-11-29

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