Inventor

Kenji Yasuda

Inventor

Tokyo, JP

Overview

1978–2020

Patent span

Performing operations

Primary field (CPC B)

Patents· 90 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 properties13%

B01LChemical or physical laboratory apparatus for general use9%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%

Y10TTechnical subjects covered by former us classification8%

B01JChemical or physical processes, e.g. catalysis or colloid chemistry6%

C12MApparatus for enzymology or microbiology5%

C12QMeasuring or testing processes involving enzymes, nucleic acids or microorganisms5%

B41MPrinting, duplicating, marking, or copying processes5%

C40BCombinatorial chemistry4%

B01DSeparation3%

PatentTitleYear

10,591,330Flow rate measurement device2020 10,113,891Flow rate measurement device2018 D0832123Flow meter2018 9,494,565'Hatching egg inspection apparatus with vibration isolation'2016 9,453,748'Flow meter device'2016 9,447,447'Method and apparatus for testing cardiotoxicity and evaluating cardiomyocytes'2016 9,435,783'Hatching egg inspection apparatus and hatching egg inspecting method using a central and outer light emitter'2016 9,109,197'Device for concentrating and separating cells'2015 9,023,294'Cell analyzer'2015 8,900,854'Liquid reflux high-speed gene amplification device'2014 8,877,457'Device for examining myocardial toxicity, chip for examining myocardial toxicity and method for examining myocardial toxicity'2014 8,703,457'Cell separation apparatus'2014 8,642,306'Flow cytometer having cell-sorting function and method of separating living cells'2014 8,361,784'Method of inspecting a DNA chip and apparatus thereof'2013 8,361,412'Cell measuring and sorting chip'2013 8,247,222'Micro-chamber processing apparatus for cell culture and method'2012 8,202,720'Model cell chip, apparatus for evaluating drug effect using the model cell chip and method of evaluating drug effect'2012 8,008,069'Apparatus and method for machining microchamber for cell culture'2011 7,846,717'Cell-cultivation microchamber'2010 7,678,777'Composition for promoting the proliferation of Lactobacillus casei subsp. casei '2010 7,597,850'Droplet operation device'2009 7,569,354'Cellomics system'2009 7,400,753'Biological sample optical measuring method and biological sample optical measuring apparatus'2008 7,309,568'Method in inspecting DNA and apparatus therefor'2007 7,217,573'Method of inspecting a DNA chip'2007 7,145,659'Light interference measurement method using computer-generated hologram, and interferometer using this method'2006 7,092,154'Apparatus for microscopic observation of long-term culture of single cell'2006 7,067,287'Method for recovery of nucleic acids'2006 7,064,813'Apparatus and method for measuring micro area in specimen'2006 6,893,823'Polynucleotide separation method and apparatus therefor'2005 6,787,314'Polynucleotide separation method and apparatus therefor'2004 6,771,420'Optical device with barrier layer, optical system, and projector apparatus'2004 6,760,105'Method and apparatus for inspecting DNA and method for detecting fluorescence'2004 6,733,648'Electrophoresis chip'2004 6,730,620'Substrate processing method and substrate processing apparatus'2004 6,716,584'Polynucleotide separation method and apparatus therefor'2004 6,514,702'Polynucleotide chip probe and polynucleotide detection method'2003 6,492,162'Apparatus for the recovery of nucleic acids'2002 6,413,317'Substrate processing method and substrate processing apparatus'2002 6,387,632'Polynucleotide separation method and apparatus therefor'2002 6,361,953'Cell component recovery method'2002 6,273,262'Particle concentration device'2001 6,251,659'Biological sample treating apparatus'2001 6,245,207'Cell separation device using ultrasound and electrophoresis'2001 6,244,738'Stirrer having ultrasonic vibrators for mixing a sample solution'2001 6,218,126'Polynucleotide separation method and apparatus therefor'2001 6,216,538'Particle handling apparatus for handling particles in fluid by acoustic radiation pressure'2001 6,183,970'Polynucleotide probe chip and polynucleotide detection method'2001 6,171,805'DNA and host cells encoding a cell surface protein of Porphyromonas gingivalis'2001 6,168,669'Substrate holding apparatus and substrate process system'2001 6,162,356'Chip for use in nucleic acid separation, structural element and process for forming the structural element'2000 6,153,704'Thermoplastic elastomer composition'2000 6,140,017'Water-developable photosensitive resin composition'2000 6,093,370'Polynucleotide separation method and apparatus therefor'2000 5,948,636'DNA and host cells encoding a cell surface protein of porphyromonas gingivalis'1999 5,902,489'Particle handling method by acoustic radiation force and apparatus therefore'1999 5,861,232'Water-developing photosensitive resin composition'1999 5,837,421'Water-developable photosensitive resin composition'1998 5,707,875'170-Labeled phosphoric acid compound and method and apparatus for selective observation of nuclear magnetic resonance signals using the compound'1998 5,597,451'Apparatus for thermally decomposing plastics and process for converting plastics into oil by thermal decomposition'1997 5,584,969'Apparatus for thermally decomposing plastics and process for converting plastics into oil by thermal decomposition'1996 5,523,058'Ultrasonic irradiation apparatus and processing apparatus based thereon'1996 5,523,842'Method of interference fringe analysis for determining aspect of surface geometry'1996 5,468,712'Thermal transfer dye image-receiving sheet'1995 5,468,379'Solution for suppressing deterioration of a separation column for analyzing hemoglobins'1995 5,407,568'Separation column containing S-carboxyalkylcysteine'1995 5,378,635'Method of measuring a catecholamine and its metabolite'1995 5,377,007'Interferometric surface inspection machine designed to support an element on the side to be inspected'1994 5,358,639'Method of analyzing hemoglobins'1994 5,256,621'Thermal transfer image-receiving sheet'1993 5,252,533'Thermal transfer dye image-receiving sheet'1993 5,252,531'Thermal transfer image-receiving sheet'1993 5,235,013'Process for producing oxygen-permeable polymer'1993 5,213,873'Aqueous ink-jet recording sheet'1993 5,177,053'Thermal transfer image-receiving sheet'1993 5,143,904'Thermal transfer dye image-receiving sheet'1992 5,126,010'Ink-jet recording sheet'1992 5,057,438'Electrophoretic antigen-antibody determination with laminate of multiple membranes'1991 4,971,950'Support sheet for thermal transfer image-receiving sheet and method of producing same'1990 4,944,988'Ink jet recording sheet and process for producing same'1990 4,900,620'Ink jet recording sheet'1990 4,824,778'Immunoassay for measuring the concentration of antigen in a sample'1989 4,616,692'Method of recovering heat of reaction'1986 4,597,569'Attraction holding device'1986 4,541,717'Attraction holding device'1985 4,525,276'Apparatus for separation of immiscible liquids'1985 4,525,265'Electrochemical sensor capable of determining hydrogen peroxide concentration and analyzer using the same'1985 4,474,944'Epoxidized polyether and process for producing the same'1984 4,371,713'Process for the preparation of polyether glycol'1983 4,125,025'Instrument for measuring the amplitude of vibration of a vibrating object'1978

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978–2004Patents assigned to FUJI PHOTO OPTICAL CO LTD (6)· patent assignee history

1984–2020Based in Kyoto, JP· patent location history

1985–2013Patents assigned to HITACHI LTD (32)· patent assignee history

1985–2016Based in Tokyo, JP· patent location history

1985–2006Based in Saitama, JP· patent location history

1990–1995Patents assigned to OJI PAPER CO (11)· patent assignee history

1990–1995Based in Yachiyo, JP· patent location history

1993–2016Patents assigned to YASUDA KENJI (13)· patent assignee history

1996–2005Based in Hiki-gun, JP· patent location history

2012–2015Patents assigned to NAT UNIV CORP TOKYO MED & DENT (5)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
HITACHI LTD	32	1985–2013
YASUDA KENJIself	13	1993–2016
OJI PAPER CO	11	1990–1995
FUJI PHOTO OPTICAL CO LTD	6	1978–2004
NAT UNIV CORP TOKYO MED & DENT	5	2012–2015

Locations

Location	Patents	Span
Tokyo, JP	34	1985–2016
Hiki-gun, JP	13	1996–2005
Yachiyo, JP	8	1990–1995
Kyoto, JP	7	1984–2020
Saitama, JP	5	1985–2006