Takekazu Maruyama

Inventor

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Work History

Patent OwnerApplications FiledYear
HITACHI, LTD.
1
2
1
1991
1995
1997

Inventor Addresses

AddressDuration
Hitachi, JPNov 29, 94 - Nov 29, 94
Mito, JPJan 28, 97 - Sep 28, 99

Technology Profile

Technology Matters
G05B: CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS 1
G06F: ELECTRIC DIGITAL DATA PROCESSING 2
G07C: TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS, OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE 1

Patents / Publication

Patents / Publication #Year of Publication / IssuedTitleCitations
59598591999Plant monitoring/controlling apparatus7
57904241998Plant monitoring apparatus and monitoring method9
55985721997Information terminal system getting information based on a location and a direction of a portable terminal device191
53697561994Fault tree displaying method and process diagnosis support system26

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