Inventor

Kazuhiro Umekita

Inventor

Tsuchiura, JP

Overview

1994–2011

Patent span

Physics

Primary field (CPC G)

Patents· 15 as inventor

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

G01Mprimary

G01MTesting static or dynamic balance of machines or structures23%

G06FElectric digital data processing18%

A61BDiagnosis9%

G01VGeophysics9%

G05BControl or regulating systems in general9%

H05KPrinted circuits9%

H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h109%

B25JManipulators5%

G01NInvestigating or analysing materials by determining their chemical or physical properties5%

H04LTransmission of digital information, e.g. telegraphic communication5%

PatentTitleYear

7,955,321'Surgical operation apparatus and manipulator for use therein'2011 7,391,177'Master-slave manipulator system and this operation input devices'2008 7,114,394'Vibration test system and method for structures'2006 6,752,019'Vibration testing apparatus and vibration testing method'2004 6,721,668'Vibration exciting apparatus and vibration testing apparatus for structure using same'2004 6,647,465'Realtime parallel processor system for transferring common information among parallel processors to a cache memory system'2003 6,629,042'Testing system and testing method for structure'2003 6,575,037'Multiple degree of freedom vibration exciting apparatus and system'2003 6,397,153'Testing system and testing method for structure'2002 5,655,082'Communication control apparatus between processor systems'1997 5,625,626'Method of automatically determining a transmission order of packet in a local area network and apparatus for same'1997 5,590,030'Circuit board capable of efficiently conducting heat through an inside thereof using thermal lands surrounding through-hole connections'1996 5,452,461'Program parallelizing apparatus capable of optimizing processing time'1995 5,371,653'Circuit board, electronic circuit chip-mounted circuit board and circuit board apparatus'1994 5,289,586'Digital information transmission apparatus and method of driving information transmission bus system thereof'1994

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1994–2011Patents assigned to HITACHI LTD (13)· patent assignee history

1994–1996Based in Ibaraki, JP· patent location history

1997–2011Based in Tsuchiura, JP· patent location history

2004Patents assigned to HITACHI IND CO LTD (1)· patent assignee history

2006Patents assigned to CENTRAL RES INST ELECT (1)· patent assignee history

2006Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
HITACHI LTD	13	1994–2011
CENTRAL RES INST ELECT	1	2006
HITACHI IND CO LTD	1	2004

Locations

Location	Patents	Span
Tsuchiura, JP	10	1997–2011
Ibaraki, JP	4	1994–1996
Tokyo, JP	1	2006