Inventor

Masataka Otsuka

Inventor

Tokyo, JP

Overview

2009–2021

Patent span

Electricity

Primary field (CPC H)

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

H01Qprimary

H01QAntennas, i.e. radio aerials36%

H04BTransmission12%

G01SRadio direction-finding8%

G06KGraphical data reading8%

H01PWaveguides8%

H02JElectric power networks8%

F24FAir-conditioning4%

F28DHeat-exchange apparatus, not provided for in another subclass, in which the heat-exchange media do not come into direct contact4%

F28FDetails of heat-exchange and heat-transfer apparatus, of general application4%

H03HImpedance networks, e.g. resonant circuits4%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

2009Patents assigned to HITACHI LTD (1)· patent assignee history

2009Based in Mito, JP· patent location history

2010–2021Patents assigned to MITSUBISHI ELECTRIC CORP (12)· patent assignee history

2010–2021Based in Tokyo, JP· patent location history

2013Patents assigned to OTSUKA MASATAKA (2)· patent assignee history

2013Patents assigned to HAYASHI RYOJI (1)· patent assignee history

2013Patents assigned to KAMEMARU TOSHIHISA (1)· patent assignee history

2019Based in Chiyoda-ku, JP· patent location history

Assignee and location history derived from the patent record.

Assignees

Locations