Inventor

Seiji Okubo

Inventor
Tokyo, JP

Overview

13→
Patents
1986–2011
Patent span
Electricity
Primary field (CPC H)

Patents· 13 as inventor

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

H04Bprimary
H04BTransmission33%
H04LTransmission of digital information, e.g. telegraphic communication29%
H04JMultiplex communication10%
A01BSoil working in agriculture or forestry5%
B60DVehicle connections5%
H03DDemodulation or transference of modulation from one carrier to another5%
H03HImpedance networks, e.g. resonant circuits5%
H03JTuning resonant circuits5%
H03LAutomatic control, starting, synchronisation or stabilisation of generators of electronic oscillations or pulses5%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1986Patents assigned to TOSHIBA KK (1)· patent assignee history
1986Based in Yokohama, JP· patent location history
2000–2006Patents assigned to MITSUBISHI ELECTRIC CORP (10)· patent assignee history
2000–2011Based in Tokyo, JP· patent location history
2007Patents assigned to DELICA KK (1)· patent assignee history
2007Based in Matsumoto, JP· patent location history
2011Patents assigned to Mitsubishi Electric Corporaiton (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MITSUBISHI ELECTRIC CORP102000–2006
DELICA KK12007
Mitsubishi Electric Corporaiton12011
TOSHIBA KK11986
Locations
LocationPatentsSpan
Tokyo, JP112000–2011
Matsumoto, JP12007
Yokohama, JP11986