Inventor

Keiichi Nagai

Inventor

Higashiyamato, JP

Overview

32→

Patents

1986–2014

Patent span

Physics

Primary field (CPC G)

Patents· 32 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 properties38%

C12QMeasuring or testing processes involving enzymes, nucleic acids or microorganisms16%

C07KPeptides14%

A61KPreparations for medical, dental or toiletry purposes6%

A61PSpecific therapeutic activity of chemical compounds or medicinal preparations6%

C12NMicroorganisms or enzymes6%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%

A61BDiagnosis2%

G01RMeasuring electric variables2%

G16BBioinformatics, i.e. information and communication technology [ict] specially adapted for genetic or protein-related data processing in computational molecular biology2%

PatentTitleYear

8,828,662'Method and kit for detection of microsatellite instability-positive cell'2014 8,110,662'Antibody directed to protein involved in maintaining differentiation of smooth muscle cells'2012 7,560,541'Heart20049410 full-length cDNA and polypeptides'2009 7,279,558'Genes associated with the maintenance of differentiation of smooth muscle cells'2007 7,193,069'Full-length cDNA'2007 7,049,104'Genetic analysis method'2006 7,029,562'Capillary array electrophoresis apparatus'2006 6,979,557'Full-length cDNA'2005 6,943,241'Full-length cDNA'2005 6,908,748'Genes associated with the maintenance of differentiation of smooth muscle cells'2005 6,821,734'Method for testing nucleic acid sequence'2004 6,662,115'Method for comparison of DNA base sequences'2003 6,531,044'Capillary array electrophoresis apparatus'2003 6,132,578'Method and apparatus for electrophoresis separation and detection'2000 5,824,481'DNA analyzing method'1998 5,650,274'DNA analyzing method'1997 5,356,776'DNA measuring method'1994 5,314,602'DNA detector and DNA detection method'1994 5,307,148'Fluorescence detection type electrophoresis apparatus'1994 5,290,419'Fluorescence detection type electrophoresis apparatus'1994 5,268,080'DNA detector and DNA detection method'1993 5,239,185'Method and equipment for measuring absorptance of light scattering materials using plural wavelengths of light'1993 5,194,372'Method and apparatus for detecting disorders in genomic substances'1993 5,192,412'Electrophoretic apparatus having arrayed electrophoresis lanes'1993 5,190,039'Apparatus and method for monitoring body organs'1993 5,062,942'Fluorescence detection type electrophoresis apparatus'1991 5,057,438'Electrophoretic antigen-antibody determination with laminate of multiple membranes'1991 5,051,162'Fluorescence detection type electrophoresis apparatus and its supporting vessel'1991 4,904,366'Instrument for determination of the base sequence of nucleic acid'1990 4,892,638'Instrument for determination of the base sequence of DNA'1990 4,824,778'Immunoassay for measuring the concentration of antigen in a sample'1989 4,624,769'Electrophoresis apparatus for nucleic acid fragments'1986

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1986–2014Patents assigned to HITACHI LTD (24)· patent assignee history

1986–2012Based in Tokyo, JP· patent location history

1990–2014Based in Higashiyamato, JP· patent location history

1994–2000Patents assigned to HITACHI ELECTR ENG (2)· patent assignee history

2005–2012Patents assigned to CHUGAI PHARMACEUTICAL CO LTD (3)· patent assignee history

2005–2007Patents assigned to RES ASS FOR BIOTECHNOLOGY (3)· patent assignee history

2012–2014Patents assigned to NAGAI KEIICHI (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
HITACHI LTD	24	1986–2014
CHUGAI PHARMACEUTICAL CO LTD	3	2005–2012
RES ASS FOR BIOTECHNOLOGY	3	2005–2007
HITACHI ELECTR ENG	2	1994–2000
NAGAI KEIICHIself	2	2012–2014

Locations

Location	Patents	Span
Higashiyamato, JP	22	1990–2014
Tokyo, JP	10	1986–2012