Inventor

Kazuaki Ohshima

Inventor
Kanagawa, JP

Overview

32→
Patents
1990–2020
Patent span
Electricity
Primary field (CPC H)

Patents· 32 as inventor

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

H10Dprimary
H10DInorganic electric semiconductor devices19%
G11CStatic stores15%
H01LSemiconductor devices14%
H10BElectronic memory devices8%
H03KPulse technique7%
B41MPrinting, duplicating, marking, or copying processes6%
G06FElectric digital data processing4%
Y10TTechnical subjects covered by former us classification4%
B01DSeparation2%
B60CVehicle tyres2%
PatentTitleYear
10,559,667Semiconductor device and method for measuring current of semiconductor device202010,500,908Semiconductor device, method for manufacturing semiconductor device, tire, and moving object201910,109,371Test method of semiconductor device201810,061,558Data processing device, data processing method, and computer program201810,035,386Semiconductor device, method for manufacturing semiconductor device, tire, and moving object20189,960,116Semiconductor device and manufacturing method thereof20189,875,381Communication method and communication system20189,818,750'Semiconductor device'20179,741,400'Semiconductor device, memory device, electronic device, and method for operating the semiconductor device'20179,735,179'Semiconductor circuit, method for driving the same, storage device, register circuit, display device, and electronic device'20179,647,132'Semiconductor device and memory device'20179,612,795'Data processing device, data processing method, and computer program'20179,570,445'Semiconductor device'20179,536,627'Test method of semiconductor device'20179,489,830'Communication method and communication system'20169,336,845'Register circuit including a volatile memory and a nonvolatile memory'20169,059,704'Programmable logic device'20159,024,317'Semiconductor circuit, method for driving the same, storage device, register circuit, display device, and electronic device'20158,861,288'Level-shift circuit and semiconductor integrated circuit'20148,791,516'Semiconductor device'20148,570,065'Programmable LSI'20138,403,231'Semiconductor device and driving method thereof'20137,905,397'Data management method and data management system'20117,529,125'Semiconductor device and operating method thereof'20096,713,160'Ink jet recording material'20046,689,432'Ink jet recording material'20046,620,469'Ink jet recording sheet comprising a water repellent underlayer'20036,436,513'Ink jet recording material'20025,952,104'Ink jet recording material'19995,248,325'Gas separating system and gas recovery system'19935,213,873'Aqueous ink-jet recording sheet'19934,948,401'Gas mixture separator utilizing pressure modulation'1990

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990–1993Based in Tokyo, JP· patent location history
1993–2004Patents assigned to OJI PAPER CO (6)· patent assignee history
1999–2004Based in Yokohama, JP· patent location history
2009–2020Patents assigned to SEMICONDUCTOR ENERGY LAB (24)· patent assignee history
2009–2011Based in Atsugi, JP· patent location history
2013–2018Patents assigned to OHSHIMA KAZUAKI (8)· patent assignee history
2013–2016Patents assigned to KOBAYASHI HIDETOMO (4)· patent assignee history
2013–2015Patents assigned to ENDO MASAMI (3)· patent assignee history
2013–2020Based in Kanagawa, JP· patent location history
2013–2017Based in Isehara, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SEMICONDUCTOR ENERGY LAB242009–2020
OHSHIMA KAZUAKIself82013–2018
OJI PAPER CO61993–2004
KOBAYASHI HIDETOMO42013–2016
ENDO MASAMI32013–2015
Locations
LocationPatentsSpan
Kanagawa, JP162013–2020
Isehara, JP62013–2017
Yokohama, JP51999–2004
Atsugi, JP22009–2011
Tokyo, JP21990–1993