Inventor · disambiguated record
Eiji Toyama
Also filed as: TOYAMA EIJI
4 granted patents·178 citations·filing 1982–1996
78Inventor score
Files withHITACHI LTD4
Top patents by PatentIndex Score
4 records- 0192US5268835AProcess controller for controlling a process to a target stateHITACHI LTD·Filed 1991·Granted Dec 7, 1993·122 cites·13 claims
- 0286US4592293AMethod of controlling an air heater of a coal-fired boilerHITACHI LTD·Filed 1984·Granted Jun 3, 1986·46 cites·8 claims
- 0338US5850740AFluidized bed power plant, and control apparatus and method thereofHITACHI LTD·Filed 1996·Granted Dec 22, 1998·8 cites·6 claims
- 0429US4794512ADigital controlling deviceHITACHI LTD·Filed 1982·Granted Dec 27, 1988·2 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →