Inventor

Yoshihiro Ashihara

Inventor

Tokyo, JP

Overview

28→

Patents

1981–2012

Patent span

Physics

Primary field (CPC G)

Patents· 28 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G01Nprimary

G01NInvestigating or analysing materials by determining their chemical or physical properties41%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests29%

C12QMeasuring or testing processes involving enzymes, nucleic acids or microorganisms12%

Y10TTechnical subjects covered by former us classification6%

B03CMagnetic or electrostatic separation of solid materials from solid materials or fluids4%

C07KPeptides4%

B01LChemical or physical laboratory apparatus for general use2%

C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium2%

PatentTitleYear

8,252,531'Nonspecific hybridization inhibitors, clinical examination reagents and clinical examination method'2012 7,771,928'Immunoassay device and immunoassay method using the same'2010 7,276,343'Chemiluminescence enhancer'2007 6,589,754'Immunoassay element and process for immunoassay'2003 6,472,160'Immunoassay device and immunoassay method using the same'2002 6,251,618'Color developing method, enzyme immunoassay using the color developing method, and immunochromatography incorporating the enzyme immunoassay'2001 6,221,625'Enzyme-labeled immunoassay and device therefor'2001 6,017,494'Liquid supply device and analytical test device'2000 5,998,156'Color developing method, enzyme immunoassay using the color developing method, and immunochromatography incorporating the enzyme immunoassay'1999 5,736,349'Magnetic particle and immunoassay using the same'1998 5,603,898'Dry-type analytical element for immunoassay'1997 5,569,589'Immunoassay element and process and immunoassay'1996 5,482,839'Automatic immunological measuring system'1996 5,320,944'Immunoassay using magnetic particle'1994 5,290,708'Method of immunoassay measurement'1994 D0342575'Receptacle for blood sample analyzing'1993 5,158,895'Automatic immunological measuring system'1992 5,094,939'Chemiluminescence assays using stabilized dioxetane derivatives'1992 5,093,081'Dry-type analytical element for immunoassay'1992 4,757,001'Method of measuring biological ligand by utilizing amylase'1988 4,692,404'Method of measuring biological ligand by the use of enzymes'1987 4,649,105'Method of measuring biological ligand'1987 4,621,048'Reagents containing an anti-ligand bound to an anti-enzyme and methods for employing said reagents in an immunoassy'1986 4,582,792'Immunoassay method using two immobilized biologically active substances'1986 4,432,896'Derivatives of hippuryl-L-phenylalanine'1984 4,419,445'Method for determining the activity of cholinesterases'1983 4,407,944'Method for determining the activity of the angiotensin-converting enzyme'1983 4,292,404'Method for determining the activity of the angiotensin-converting enzyme'1981

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1981–1983Patents assigned to FUJIZOKI SEIYAKU KK (3)· patent assignee history

1981–1996Based in Fuchu, JP· patent location history

1984–2010Patents assigned to FUJIREBIO KK (21)· patent assignee history

1986–2010Based in Tokyo, JP· patent location history

1992–2003Patents assigned to FUJI PHOTO FILM CO LTD (4)· patent assignee history

1994–1998Patents assigned to NIPPON PAINT CO LTD (2)· patent assignee history

2000–2001Based in Saitama, JP· patent location history

2012Patents assigned to ASHIHARA YOSHIHIRO (1)· patent assignee history

2012Based in Hannou, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
FUJIREBIO KK	21	1984–2010
FUJI PHOTO FILM CO LTD	4	1992–2003
FUJIZOKI SEIYAKU KK	3	1981–1983
NIPPON PAINT CO LTD	2	1994–1998
ASHIHARA YOSHIHIROself	1	2012

Locations

Location	Patents	Span
Tokyo, JP	19	1986–2010
Fuchu, JP	6	1981–1996
Saitama, JP	2	2000–2001
Hannou, JP	1	2012