Inventor

Osamu Umamine

Inventor

Fussa, JP

Overview

9→

Patents

2012–2021

Patent span

Physics

Primary field (CPC G)

Patents· 9 as inventor

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

G03Bprimary

G03BApparatus or arrangements for taking photographs or for projecting or viewing them35%

H04NPictorial communication, e.g. television35%

G02BOptical elements, systems or apparatus22%

F21VFunctional features or details of lighting devices or systems thereof4%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein4%

PatentTitleYear

11,112,686Light source unit and projector2021 11,019,312Light source device, projection device, and light source control method2021 10,012,894Light source unit and projector2018 9,823,463'Light source unit emitting the three primary colors of light and projector including the light source unit'2017 9,207,522'Light source unit and projector'2015 8,746,896'Light source unit and projector'2014 8,733,945'Light source unit and projector'2014 8,348,435'Light source unit and projector'2013 8,136,950'Optical system unit and projector having two-planed light absorbing plate'2012

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2012–2021Patents assigned to CASIO COMPUTER CO LTD (9)· patent assignee history

2012–2014Patents assigned to UMAMINE OSAMU (4)· patent assignee history

2012–2014Patents assigned to OHTA MASANORI (3)· patent assignee history

2012–2021Based in Fussa, JP· patent location history

2013–2014Patents assigned to MASUDA HIROKI (3)· patent assignee history

2013–2014Patents assigned to OGURA NAOTSUGU (3)· patent assignee history

2015Based in Fuss, JP· patent location history

2018Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
CASIO COMPUTER CO LTD	9	2012–2021
UMAMINE OSAMUself	4	2012–2014
MASUDA HIROKI	3	2013–2014
OGURA NAOTSUGU	3	2013–2014
OHTA MASANORI	3	2012–2014

Locations

Location	Patents	Span
Fussa, JP	7	2012–2021
Tokyo, JP	1	2018
Fuss, JP	1	2015