Inventor

Akira Matsumura

Inventor

Hirakata, JP

Overview

47→

Patents

1978–2020

Patent span

Electricity

Primary field (CPC H)

Patents· 47 as inventor

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

A61Pprimary

A61PSpecific therapeutic activity of chemical compounds or medicinal preparations7%

C07DHeterocyclic compounds6%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein6%

A61KPreparations for medical, dental or toiletry purposes5%

H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h105%

G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices4%

H10BElectronic memory devices4%

H10DInorganic electric semiconductor devices4%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests4%

C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds4%

PatentTitleYear

10,870,661Nitrogen-containing tricyclic derivatives having HIV replication inhibitory activity2020 10,600,803Semiconductor memory device2020 10,494,380Nitrogen-containing tricyclic derivatives having HIV replication inhibitory activity2019 10,224,240Distortion reduction of memory openings in a multi-tier memory device through thermal cycle control2019 9,468,688'Boron cluster-modified PEG lipid derivative, and molecular assembly using same'2016 9,278,967'Substituted-quinoxaline-type piperidine compounds and the uses thereof'2016 8,980,241'Polymerized cyclic nitroxide radical compound and use thereof'2015 8,937,181'Benzenesulfonamide compounds and the use thereof'2015 8,895,551'Acrylamide compounds and the use thereof'2014 8,659,122'Semiconductor device and manufacturing method thereof'2014 7,935,706'Nitrogen-containing heterocycle derivatives substituted with cyclic group'2011 6,815,318'Manufacturing method of semiconductor device'2004 6,784,546'Electrode structure and method of fabricating the same'2004 6,730,563'Method of manufacturing semiconductor device'2004 6,570,233'Method of fabricating an integrated circuit'2003 6,511,878'Manufacturing method for semiconductor device with a larger contact hole opening'2003 6,406,374'Outer ring of a constant velocity universal joint and manufacturing method for the same'2002 6,250,121'Method for molding metal using high fluid pressure'2001 5,881,211'Data conversion table changing'1999 5,663,019'Process for producing multicolor display'1997 5,587,274'Resist composition'1996 5,531,881'Method for correcting defect in color filter'1996 5,439,582'Process for producing multicolor display'1995 5,315,409'Method of and apparatus for obtaining binary image'1994 5,227,044'Process for producing multicolor display'1993 5,213,850'Process for plating a metallic deposit between functional pattern lines on a substrate'1993 5,186,801'Production of color filter'1993 5,181,984'Production of solder masked electric circuit boards'1993 4,981,939'Binder for a toner comprising a polyester from rosin or hydrogenated rosin'1991 4,968,575'A toner composition comprising a rosin-containing polyester'1990 4,902,592'Production of color display'1990 4,853,092'Production of multicolor display'1989 4,769,485'Preparation of alkenoyl isocyanates'1988 4,745,141'Unsaturated polyester resin coating composition'1988 4,463,111'Cathode-depositing electrocoating composition, and production thereof'1984 4,408,179'Communications system for automotive vehicles'1983 4,373,074'Acetylene-conjugated diene polymerization'1983 4,373,161'Doppler radar mounting structure for motor vehicles'1983 4,361,904'Method of testing transceiver and transceiver including testing apparatus'1982 4,359,712'Communications system for automotive vehicles'1982 4,354,191'Ground-speed Doppler radar for vehicles'1982 4,332,993'Built-in type microwave oven'1982 4,316,173'Doppler radar vehicle speed sensing system including means for checking system operation based on the detection of low frequency Doppler frequency components'1982 4,311,876'Route guidance system for roadway vehicles'1982 4,224,609'Driving assurance system for wheeled vehicles'1980 4,168,499'Anti-collision radar system provided with circuitry for monitoring driver\'s'1979 4,104,621'Steering-wheel reversal driver alertness monitor'1978

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978–1983Patents assigned to NISSAN MOTOR (9)· patent assignee history

1979–1983Based in Yokosuka, JP· patent location history

1983–1997Patents assigned to NIPPON PAINT CO LTD (13)· patent assignee history

1984–1997Based in Hirakata, JP· patent location history

1988–1991Patents assigned to NIPPON SYNTHETIC CHEM IND (3)· patent assignee history

1988–1991Based in Suita, JP· patent location history

2003–2004Based in Hyogo, JP· patent location history

2011–2020Patents assigned to SHIONOGI & CO (5)· patent assignee history

2011–2016Based in Osaka, JP· patent location history

2014–2015Patents assigned to MATSUMURA AKIRA (4)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
NIPPON PAINT CO LTD	13	1983–1997
NISSAN MOTOR	9	1978–1983
SHIONOGI & CO	5	2011–2020
MATSUMURA AKIRAself	4	2014–2015
NIPPON SYNTHETIC CHEM IND	3	1988–1991

Locations

Location	Patents	Span
Hirakata, JP	12	1984–1997
Yokosuka, JP	8	1979–1983
Osaka, JP	4	2011–2016
Hyogo, JP	4	2003–2004
Suita, JP	3	1988–1991