Inventor
Ryu Watanabe
Inventor
Tokyo, JP
Overview
Patents· 3 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Nprimary
H04NPictorial communication, e.g. television67%
H04JMultiplex communication33%
PatentTitleYear
5,815,600'Image data signal compression/transmission method and image data signal compression/transmission system'19985,668,652'Optical WDM (wavelength division multiplexing) transmission system and method for configuring the same'19975,500,676'Method of encoding and multiplexing picture signals and apparatus utilizing the same'1996Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1996–1998Patents assigned to HITACHI ELECTRONICS (2)· patent assignee history
1996Patents assigned to JAPAN BROADCASTING CORP (1)· patent assignee history
1996–1998Based in Tokyo, JP· patent location history
1997Patents assigned to NIPPON TELEGRAPH & TELEPHONE (1)· patent assignee history
1997Based in Zushi, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI ELECTRONICS | 2 | 1996–1998 |
| JAPAN BROADCASTING CORP | 1 | 1996 |
| NIPPON TELEGRAPH & TELEPHONE | 1 | 1997 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 2 | 1996–1998 |
| Zushi, JP | 1 | 1997 |