Inventor
Koichiro Haga
Inventor
Tochigi, JP
Overview
Patents· 1 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Mprimary
H04MTelephonic communication100%
PatentTitleYear
6,216,018'Telephone hand-free apparatus'2001Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2001Patents assigned to CALSONIC KANSEI CORP (1)· patent assignee history
2001Based in Tochigi, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CALSONIC KANSEI CORP | 1 | 2001 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tochigi, JP | 1 | 2001 |