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Inventor

Kazuhiko Yamaoka

Inventor
Tokyo, JP

Overview

13→
Patents
2000–2006
Patent span
LOC
Primary field

Patents· 13 as inventor

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

LOC14primary
LOC14100%
PatentTitleYear
D0532767'Portable wireless telephone'2006D0510345'Portable wireless telephone'2005D0509500'Portable wireless telephone'2005D0507555'Portable wireless telephone'2005D0507556'Portable wireless telephone'2005D0502692'Portable wireless telephone'2005D0501850'Cover panel for portable wireless telephone'2005D0491155'Portable wireless telephone'2004D0491156'Portable wireless telephone'2004D0490433'Image reader'2004D0478067'Headphone'2003D0476635'Portable wireless telephone'2003D0432519'Loudspeaker with amplifier'2000

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2000–2006Patents assigned to NEC CORP (12)· patent assignee history
2000Based in Osaka, JP· patent location history
2003–2006Based in Tokyo, JP· patent location history
2004Patents assigned to NEC VIEWTECHNOLOGY LTD (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NEC CORP122000–2006
NEC VIEWTECHNOLOGY LTD12004
Locations
LocationPatentsSpan
Tokyo, JP122003–2006
Osaka, JP12000