Inventor
Takazo Hirano
Inventor
Hitachi, JP
Overview
Patents· 1 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G05Dprimary
G05DSystems for controlling or regulating non-electric variables50%
Y10TTechnical subjects covered by former us classification50%
PatentTitleYear
4,332,507'Water level control system for a reservoir'1982Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1982Patents assigned to HITACHI LTD (1)· patent assignee history
1982Based in Hitachi, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI LTD | 1 | 1982 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hitachi, JP | 1 | 1982 |