Inventor

Takao Sumida

Inventor

Aichi, JP

Overview

6→

Patents

2003–2021

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.

G02Bprimary

G02BOptical elements, systems or apparatus27%

G09FDisplaying13%

H01JElectric discharge tubes or discharge lamps13%

A61BDiagnosis7%

A61MDevices for introducing media into, or onto, the body7%

C03CChemical composition of glasses, glazes or vitreous enamels7%

F04CRotary-piston, or oscillating-piston, positive-displacement machines for liquids7%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein7%

G03BApparatus or arrangements for taking photographs or for projecting or viewing them7%

H04NPictorial communication, e.g. television7%

PatentTitleYear

10,926,072Operation tool for fluid injector using multi microneedle device2021 10,816,837Display device2020 10,502,891Display device and illumination device2019 7,554,729'Rear projection display apparatus and transmission type screen'2009 6,784,608'Light-absorptive antireflection filter, with pigment containing light-absorptive film and electroconducting thin film, and device using same'2004 6,628,065'Anti-reflection member and cathode ray tube'2003

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2003–2020Patents assigned to SONY CORP (5)· patent assignee history

2003–2020Based in Aichi, JP· patent location history

2009Based in Kanagawa, JP· patent location history

2020Patents assigned to SATURN LICENSING LLC (1)· patent assignee history

2021Patents assigned to TOPPAN PRINTING CO LTD (1)· patent assignee history

2021Based in Taito-ku, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SONY CORP	5	2003–2020
SATURN LICENSING LLC	1	2020
TOPPAN PRINTING CO LTD	1	2021

Locations

Location	Patents	Span
Aichi, JP	4	2003–2020
Taito-ku, JP	1	2021
Kanagawa, JP	1	2009