Inventor

Keisuke Matsubara

Inventor

Tokyo, JP

Overview

6→

Patents

2009–2021

Patent span

Physics

Primary field (CPC G)

Patents· 6 as inventor

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

G06Fprimary

G06FElectric digital data processing56%

G02BOptical elements, systems or apparatus11%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein11%

H05KPrinted circuits11%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests11%

PatentTitleYear

11,054,570Liquid crystal display device having a joint portion of a wiring substrate extending from an inside to an outside of the case2021 10,282,239Monitoring method2019 9,471,779'Information processing system, information processing device, monitoring device, monitoring method'2016 9,218,275'Memory management control system, memory management control method, and storage medium storing memory management control program'2015 8,041,917'Managing server, pool adding method and computer system'2011 7,536,422'Method for process substitution on a database management system'2009

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2009–2011Patents assigned to HITACHI LTD (2)· patent assignee history

2009Based in Yokohama, JP· patent location history

2011Based in Fujisawa, JP· patent location history

2015–2019Patents assigned to NEC CORP (3)· patent assignee history

2015–2021Based in Tokyo, JP· patent location history

2021Patents assigned to JAPAN DISPLAY INC (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
NEC CORP	3	2015–2019
HITACHI LTD	2	2009–2011
JAPAN DISPLAY INC	1	2021

Locations

Location	Patents	Span
Tokyo, JP	4	2015–2021
Fujisawa, JP	1	2011
Yokohama, JP	1	2009