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Inventor

Ken'ichi Sakamoto

Inventor
Tokyo, JP

Overview

7→
Patents
1999–2011
Patent span
Electricity
Primary field (CPC H)

Patents· 7 as inventor

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

H04Lprimary
H04LTransmission of digital information, e.g. telegraphic communication50%
H04QSelecting43%
H04WWireless communication networks7%
PatentTitleYear
8,077,719'Packet switching apparatus'20117,502,380'Packet handler'20097,016,373'Packet switching apparatus'20066,850,485'Packet handler'20056,327,244'Packet handler'20016,075,767'Asynchronous transmission mode (ATM) handler'20005,903,544'Packet handler'1999

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1999–2011Patents assigned to HITACHI LTD (6)· patent assignee history
1999–2011Based in Tokyo, JP· patent location history
2006Based in Kokubunji, JP· patent location history
2011Patents assigned to HIRATA TETSUHIKO (1)· patent assignee history
2011Patents assigned to MIKI KAZUHO (1)· patent assignee history
2011Patents assigned to MIYATA HIROAKI (1)· patent assignee history
2011Patents assigned to SAKAMOTO KEN ICHI (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LTD61999–2011
HIRATA TETSUHIKO12011
MIKI KAZUHO12011
MIYATA HIROAKI12011
SAKAMOTO KEN ICHIself12011
Locations
LocationPatentsSpan
Tokyo, JP61999–2011
Kokubunji, JP12006