Inventor

Toshihiro Sakamoto

Inventor
Itami, JP

Overview

14→
Patents
1990–2014
Patent span
Electricity
Primary field (CPC H)

Patents· 14 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 therein19%
C04BLime, magnesia10%
H10DInorganic electric semiconductor devices10%
A45DHairdressing or shaving equipment5%
A61HPhysical therapy apparatus, e.g. devices for locating or stimulating reflex points in the body5%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations5%
B22FWorking metallic powder5%
C07DHeterocyclic compounds5%
C22CAlloys5%
C25DProcesses for the electrolytic or electrophoretic production of coatings5%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990–2002Patents assigned to MATSUSHITA ELECTRIC WORKS LTD (2)· patent assignee history
1996–2012Patents assigned to SUMITOMO ELECTRIC INDUSTRIES (4)· patent assignee history
1996–2012Based in Itami, JP· patent location history
2001–2014Patents assigned to TOSHIBA KK (2)· patent assignee history
2004–2007Patents assigned to SUMITOMO OSAKA CEMENT CO LTD (3)· patent assignee history
2005–2007Based in Tokyo, JP· patent location history
2007Based in Osaka, JP· patent location history
2012–2014Patents assigned to SAKAMOTO TOSHIHIRO (3)· patent assignee history
2012Based in Moriya, JP· patent location history
2014Based in Kanagawa, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SUMITOMO ELECTRIC INDUSTRIES41996–2012
SAKAMOTO TOSHIHIROself32012–2014
SUMITOMO OSAKA CEMENT CO LTD32004–2007
MATSUSHITA ELECTRIC WORKS LTD21990–2002
TOSHIBA KK22001–2014
Locations
LocationPatentsSpan
Itami, JP21996–2012
Tokyo, JP22005–2007
Kanagawa, JP12014
Moriya, JP12012
Osaka, JP12007