Inventor

Wataru Negishi

Inventor
Tokyo, JP

Overview

3→
Patents
1999–2011
Patent span
Physics
Primary field (CPC G)

Patents· 3 as inventor

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

G11Bprimary
G11BInformation storage based on relative movement between record carrier and transducer40%
H04NPictorial communication, e.g. television40%
G06FElectric digital data processing20%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1999–2002Patents assigned to PIONEER ELECTRONIC CORP (2)· patent assignee history
1999–2011Based in Tokyo, JP· patent location history
2011Patents assigned to PIONEER CORP (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
PIONEER ELECTRONIC CORP21999–2002
PIONEER CORP12011
Locations
LocationPatentsSpan
Tokyo, JP31999–2011