Inventor

Harumasa Tomizuka

Inventor

Osaka, JP

Overview

3→

Patents

2017–2020

Patent span

Physics

Primary field (CPC G)

Patents· 3 as inventor

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

G02Fprimary

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein38%

G02BOptical elements, systems or apparatus25%

F21VFunctional features or details of lighting devices or systems thereof13%

G09FDisplaying13%

H04NPictorial communication, e.g. television13%

PatentTitleYear

10,816,748Display apparatus having holding member between optical sheet and diffusion plate2020 10,345,646Display apparatus2019 9,817,179'Light source unit, display apparatus and lighting apparatus'2017

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2017–2020Patents assigned to SAKAI DISPLAY PRODUCTS CORP (3)· patent assignee history

2017Based in Sakai, JP· patent location history

2019–2020Based in Osaka, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SAKAI DISPLAY PRODUCTS CORP	3	2017–2020

Locations

Location	Patents	Span
Osaka, JP	2	2019–2020
Sakai, JP	1	2017