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Inventor

Gontaro Kitazumi

Inventor
Tokyo, JP

Overview

3→
Patents
2005–2012
Patent span
Electricity
Primary field (CPC H)

Patents· 3 as inventor

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

H04Bprimary
H04BTransmission33%
H04MTelephonic communication33%
G06FElectric digital data processing17%
H01HElectric switches17%
PatentTitleYear
8,315,379'Single transducer full duplex talking circuit'20127,218,953'Infrared communication adapter'20076,876,354'Keyboard type input device and portable information processor'2005

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2005Patents assigned to LINK EVOLUTION CO LTD (1)· patent assignee history
2005–2012Based in Tokyo, JP· patent location history
2007Patents assigned to ITX E GLOBALEDGE CORP (1)· patent assignee history
2012Patents assigned to KITAZUMI GONTARO (1)· patent assignee history
2012Patents assigned to MASUDA MASAHISA (1)· patent assignee history
2012Patents assigned to MATECH INC (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ITX E GLOBALEDGE CORP12007
KITAZUMI GONTAROself12012
LINK EVOLUTION CO LTD12005
MASUDA MASAHISA12012
MATECH INC12012
Locations
LocationPatentsSpan
Tokyo, JP32005–2012