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Inventor

Yasuo Matsui

Inventor
Tokyo, JP

Overview

8→
Patents
1978–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 8 as inventor

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

C08Lprimary
C08LCompositions of macromolecular compounds11%
H01HElectric switches11%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1011%
B29CShaping or joining of plastics6%
B29KIndexing scheme associated with subclasses b29b, b29c or b29d, relating to moulding materials or to materials for moulds, reinforcements, fillers or preformed parts, e.g. inserts6%
B62DMotor vehicles6%
C23CCoating metallic material6%
C25DProcesses for the electrolytic or electrophoretic production of coatings6%
F16CShafts6%
F16FSprings6%
PatentTitleYear
10,908,126Ultrasonic flaw detection device, ultrasonic flaw detection method, method of manufacturing welded steel pipe, and welded steel pipe quality control method20217,922,918'Method of manufacturing circuit board used for switch device'20117,799,852'Composition of biphenyl epoxy resin, phenolbiphenylaralkyl resin and filler'20107,098,276'Flame-retardant epoxy resin composition and semiconductor device made using the same'20065,575,501'Shaft for collapsible steering apparatus'19964,484,042'Snap action push button switch'19844,435,826'Frame synchronizer'19844,091,064'Process for producing electric cable insulated with cured polyolefin'1978

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978Patents assigned to DAINICHI NIPPON CABLES LTD (1)· patent assignee history
1984–2011Patents assigned to ALPS ELECTRIC CO LTD (2)· patent assignee history
1984Patents assigned to HITACHI LTD (1)· patent assignee history
1984Based in Iwaki, JP· patent location history
1984Based in Yokosuka, JP· patent location history
1996Based in Maebashi, JP· patent location history
2006–2010Patents assigned to SUMITOMO BAKELITE CO (2)· patent assignee history
2006–2021Based in Tokyo, JP· patent location history
2011Based in Miyagi, JP· patent location history
2021Patents assigned to JFE STEEL CORP (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ALPS ELECTRIC CO LTD21984–2011
SUMITOMO BAKELITE CO22006–2010
DAINICHI NIPPON CABLES LTD11978
HITACHI LTD11984
JFE STEEL CORP12021
Locations
LocationPatentsSpan
Tokyo, JP32006–2021
Miyagi, JP12011
Maebashi, JP11996
Iwaki, JP11984
Yokosuka, JP11984