Inventor
Yasuhiko Hatae
Inventor
Tokyo, JP
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Nprimary
H04NPictorial communication, e.g. television38%
G08GTraffic control systems25%
G02BOptical elements, systems or apparatus13%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them13%
G08BSignalling systems, e.g. personal calling systems13%
PatentTitleYear
7,133,661'Emergency information notifying system, and apparatus, method and moving object utilizing the emergency information notifying system'20066,674,474'Method of controlling transmission light amount and television camera apparatus using the method'20046,466,260'Traffic surveillance system'20024,594,608'TV-photography system for surgical microscope'1986Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1986Patents assigned to HITACHI DENSHI SYSTEM SERVICE (1)· patent assignee history
1986–2006Based in Tokyo, JP· patent location history
2002Patents assigned to HITACHI ELECTRONICS (1)· patent assignee history
2004–2006Patents assigned to HITACHI INT ELECTRIC INC (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI INT ELECTRIC INC | 2 | 2004–2006 |
| HITACHI DENSHI SYSTEM SERVICE | 1 | 1986 |
| HITACHI ELECTRONICS | 1 | 2002 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 4 | 1986–2006 |