Inventor

Yoshiaki Ogawara

Inventor
Tokyo, JP

Overview

6→
Patents
1976–2008
Patent span
Electricity
Primary field (CPC H)

Patents· 6 as inventor

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

H03Kprimary
H03KPulse technique20%
H04NPictorial communication, e.g. television20%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them10%
G05DSystems for controlling or regulating non-electric variables10%
G11BInformation storage based on relative movement between record carrier and transducer10%
G21KHandling of particles or ionising radiation not otherwise provided for10%
H01KElectric incandescent lamps10%
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems10%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–2008Patents assigned to SONY CORP (5)· patent assignee history
1976Based in Inagi, JP· patent location history
1995–2008Based in Tokyo, JP· patent location history
1997Patents assigned to RIKAGAKU KENKYUSHO (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SONY CORP51976–2008
RIKAGAKU KENKYUSHO11997
Locations
LocationPatentsSpan
Tokyo, JP31995–2008
Inagi, JP31976