Inventor

Motoaki Okitsu

Inventor
Osaka, JP

Overview

17→
Patents
1991–2020
Patent span
Physics
Primary field (CPC G)

Patents· 17 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 therein30%
B65HHandling thin or filamentary material, e.g. sheets, webs, cables13%
G02BOptical elements, systems or apparatus10%
G03GElectrography10%
F21VFunctional features or details of lighting devices or systems thereof7%
G09FDisplaying7%
LOC147%
F21KNon-electric light sources using luminescence3%
F21YIndexing scheme associated with subclasses f21k, f21l, f21s and f21v, relating to the form or the kind of the light sources or of the colour of the light emitted3%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them3%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991–2015Patents assigned to SHARP KK (10)· patent assignee history
1992–1994Based in Yamatokoriyama, JP· patent location history
2002–2006Based in Nara, JP· patent location history
2008Based in Tsu, JP· patent location history
2012–2015Patents assigned to OKITSU MOTOAKI (4)· patent assignee history
2012–2020Based in Osaka, JP· patent location history
2013Patents assigned to KAWABATA RYOTA (1)· patent assignee history
2015Patents assigned to HORIGUCHI YUKI (1)· patent assignee history
2017–2020Patents assigned to SAKAI DISPLAY PRODUCTS CORP (6)· patent assignee history
2017–2018Based in Sakai, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SHARP KK101991–2015
SAKAI DISPLAY PRODUCTS CORP62017–2020
OKITSU MOTOAKIself42012–2015
HORIGUCHI YUKI12015
KAWABATA RYOTA12013
Locations
LocationPatentsSpan
Osaka, JP62012–2020
Sakai, JP42017–2018
Nara, JP32002–2006
Yamatokoriyama, JP21992–1994
Tsu, JP12008