Inventor

Masatsugu Kametani

Inventor
Tsuchiura, JP

Overview

31→
Patents
1989–2003
Patent span
Physics
Primary field (CPC G)

Patents· 31 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G06Fprimary
G06FElectric digital data processing46%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1015%
H10DInorganic electric semiconductor devices10%
G05BControl or regulating systems in general6%
G11CStatic stores6%
H01JElectric discharge tubes or discharge lamps6%
G01MTesting static or dynamic balance of machines or structures4%
H05KPrinted circuits4%
B65GTransport or storage devices, e.g. conveyors for loading or tipping, shop conveyor systems or pneumatic tube conveyors2%
PatentTitleYear
6,647,465'Realtime parallel processor system for transferring common information among parallel processors to a cache memory system'20036,580,075'Charged particle beam scanning type automatic inspecting apparatus'20036,538,248'Charged particle beam scanning type automatic inspecting apparatus'20036,486,472'Inspecting system using electron beam and inspecting method using same'20026,379,998'Semiconductor device and method for fabricating the same'20026,161,168'Shared memory system'20005,968,150'Processor element having a plurality of CPUs for use in a multiple processor system'19995,960,458'Shared memory system'19995,909,052'Semiconductor device having plural chips with the sides of the chips in face-to-face contact with each other in the same crystal plane'19995,724,540'Memory system having a column address counter and a page address counter'19985,655,082'Communication control apparatus between processor systems'19975,590,030'Circuit board capable of efficiently conducting heat through an inside thereof using thermal lands surrounding through-hole connections'19965,568,617'Processor element having a plurality of processors which communicate with each other and selectively use a common bus'19965,537,602'Process system for controlling bus system to communicate data between resource and processor'19965,530,889'Hierarchical structure processor having at least one sub-sequencer for executing basic instructions of a macro instruction'19965,481,747'Synchronous method and apparatus for processors'19965,479,635'Memory device including DRAMs for high-speed accessing'19955,452,461'Program parallelizing apparatus capable of optimizing processing time'19955,422,834'Simulation method and system for simulating drive mechanism'19955,388,056'Method and system for vibration test'19955,371,653'Circuit board, electronic circuit chip-mounted circuit board and circuit board apparatus'19945,367,662'Distributed machine state controlled processor system with a CPU clocked with a reference signal delayed from a system clock'19945,361,369'Synchronous method of, and apparatus for, allowing a processor to process a next task before synchronization between a predetermined group of processors'19945,335,336'Memory device having refresh mode returning previous page address for resumed page mode'19945,297,260'Processor having a plurality of CPUS with one CPU being normally connected to common bus'19945,289,586'Digital information transmission apparatus and method of driving information transmission bus system thereof'19945,107,420'Synchronous apparatus for processors'19924,956,800'Arithmetic operation processing apparatus of the parallel processing type and compiler which is used in this apparatus'19904,953,074'Function-distributed control apparatus'19904,870,608'Method and apparatus for floating point operation'19894,803,613'Decentralized master-slave control apparatus'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989–2003Patents assigned to HITACHI LTD (31)· patent assignee history
1989–1999Based in Ibaraki, JP· patent location history
1992Based in Shimoinayoshi, JP· patent location history
1994–2003Based in Tsuchiura, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LTD311989–2003
Locations
LocationPatentsSpan
Tsuchiura, JP171994–2003
Ibaraki, JP131989–1999
Shimoinayoshi, JP11992