Inventor
Yasuhiro Tennichi
Inventor
Hitachi, JP
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F01Dprimary
F01DNon-positive displacement machines or engines, e.g. steam turbines36%
F01KSteam engine plants27%
G05BControl or regulating systems in general18%
G06FElectric digital data processing9%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests9%
PatentTitleYear
5,410,470'Process control method and system with employment of fuzzy inference'19954,825,352'Process control system and method thereof'19894,658,590'Steam turbine governor system and method of controlling the same'19874,461,152'Control apparatus for steam turbine'19844,228,359'Rotor-stress preestimating turbine control system'19804,153,198'Electro-hydraulic governor employing duplex digital controller system'1979Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1979–1995Patents assigned to HITACHI LTD (6)· patent assignee history
1979–1995Based in Hitachi, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI LTD | 6 | 1979–1995 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hitachi, JP | 6 | 1979–1995 |