Inventor

Kazuhiko Onuma

Inventor
Chiba, JP

Overview

2→
Patents
1999–2008
Patent span
Human necessities
Primary field (CPC A)

Patents· 2 as inventor

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

A61Bprimary
A61BDiagnosis50%
H04NPictorial communication, e.g. television50%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1999Patents assigned to CANON KK (1)· patent assignee history
1999–2008Based in Chiba, JP· patent location history
2008Patents assigned to TOPCON CORP (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CANON KK11999
TOPCON CORP12008
Locations
LocationPatentsSpan
Chiba, JP21999–2008