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Inventor

Keiichi Sekiguchi

Inventor
Kanagawa, JP

Overview

17→
Patents
2007–2020
Patent span
Electricity
Primary field (CPC H)

Patents· 17 as inventor

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

H10Dprimary
H10DInorganic electric semiconductor devices21%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1017%
H01LSemiconductor devices12%
F28DHeat-exchange apparatus, not provided for in another subclass, in which the heat-exchange media do not come into direct contact10%
F28FDetails of heat-exchange and heat-transfer apparatus, of general application10%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1010%
F02NStarting of combustion engines2%
F02PIgnition, other than compression ignition, for internal-combustion engines2%
G01RMeasuring electric variables2%
H01JElectric discharge tubes or discharge lamps2%
PatentTitleYear
10,697,707Heat exchange member and heat exchanger202010,627,173Flow path member, and heat exchanger and semiconductor manufacturing apparatus using same202010,103,047Flow path member, heat exchanger including the flow path member, and semiconductor manufacturing apparatus including the flow path member20189,953,898Flow channel member, and heat exchanger and semiconductor module each using same20189,820,379'Circuit board and electronic device including same'20178,936,999'Manufacturing method of SOI substrate'20158,445,338'Semiconductor device and method for manufacturing the same'20138,445,358'Method for manufacturing semiconductor substrate and method for manufacturing semiconductor device'20138,236,633'Semiconductor device and method for manufacturing the same'20128,166,946'Diesel engine start-up assisting device'20127,990,674'Load drive apparatus'20117,776,681'Semiconductor device and method for manufacturing the same'20107,705,358'Semiconductor device and method of manufacturing the same'20107,675,120'Integrated circuit having a multipurpose resistor for suppression of a parasitic transistor or other purposes'20107,638,372'Semiconductor device and method for manufacturing the same'20097,365,361'Semiconductor device and method for manufacturing the same'20087,271,579'AC signal level detection circuit'2007

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2007–2012Patents assigned to SANKEN ELECTRIC CO LTD (4)· patent assignee history
2007–2011Based in Saitama, JP· patent location history
2008–2015Patents assigned to SEMICONDUCTOR ENERGY LAB (8)· patent assignee history
2008–2013Based in Kanagawa, JP· patent location history
2010–2012Based in Niiza, JP· patent location history
2012–2017Patents assigned to SEKIGUCHI KEIICHI (6)· patent assignee history
2012–2013Patents assigned to ARAI YASUYUKI (2)· patent assignee history
2013–2015Based in Isehara, JP· patent location history
2017–2020Patents assigned to KYOCERA CORP (5)· patent assignee history
2017–2020Based in Satsumasendai-shi, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SEMICONDUCTOR ENERGY LAB82008–2015
SEKIGUCHI KEIICHIself62012–2017
KYOCERA CORP52017–2020
SANKEN ELECTRIC CO LTD42007–2012
ARAI YASUYUKI22012–2013
Locations
LocationPatentsSpan
Kanagawa, JP62008–2013
Satsumasendai-shi, JP32017–2020
Isehara, JP22013–2015
Niiza, JP22010–2012
Saitama, JP22007–2011