LexDanaLexDanabeta
Inventor

Toshifumi Yasui

Inventor
Kanagawa, JP

Overview

13→
Patents
2011–2020
Patent span
Physics
Primary field (CPC G)

Patents· 13 as inventor

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

G02Bprimary
G02BOptical elements, systems or apparatus27%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them23%
G11BInformation storage based on relative movement between record carrier and transducer20%
H04NPictorial communication, e.g. television17%
G06FElectric digital data processing7%
F21VFunctional features or details of lighting devices or systems thereof3%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein3%
PatentTitleYear
10,659,669Projection display unit202010,459,575Irradiation optical system and projector20199,523,908'Image projection apparatus and image projection method'20169,335,558'Illumination device and display device'20169,239,463'Illumination device and display unit for suppressing luminance unevenness and interference pattern'20169,176,367'Illumination device and display unit including a light source section, first and second uniformization optical members, an optical device, and a drive section'20158,864,317'Projection display'20148,233,370'Objective lens, optical pickup and optical disc apparatus'20128,139,463'Objective lens, optical pickup, and optical disc apparatus'20128,116,188'Objective lens, optical pickup and optical disk apparatus'20128,102,749'Object lens, optical pickup, and optical disc device'20128,064,315'Condensing optical device, optical pickup, and optical disc apparatus'20117,924,684'Object lens, optical pickup, and optical disc device'2011

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2011–2020Patents assigned to SONY CORP (13)· patent assignee history
2011–2016Patents assigned to YASUI TOSHIFUMI (8)· patent assignee history
2011–2012Based in Saitama, JP· patent location history
2012–2016Patents assigned to TAKAHASHI KAZUYUKI (2)· patent assignee history
2012Patents assigned to ASOMA YOSHITO (1)· patent assignee history
2012Based in Tokyo, JP· patent location history
2014–2020Based in Kanagawa, JP· patent location history
2016Patents assigned to ISOBE HIROSHI (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SONY CORP132011–2020
YASUI TOSHIFUMIself82011–2016
TAKAHASHI KAZUYUKI22012–2016
ASOMA YOSHITO12012
ISOBE HIROSHI12016
Locations
LocationPatentsSpan
Kanagawa, JP72014–2020
Tokyo, JP32012
Saitama, JP32011–2012