Inventor

Katsumi Hirata

Inventor

Yokohama, JP

Overview

1991–2021

Patent span

Physics

Primary field (CPC G)

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

G01Mprimary

G01MTesting static or dynamic balance of machines or structures20%

G01NInvestigating or analysing materials by determining their chemical or physical properties20%

E03CDomestic plumbing installations for fresh water or waste water7%

F24DDomestic- or space-heating systems, e.g. central heating systems7%

F24HFluid heaters, e.g. water or air heaters, having heat-generating means, e.g. heat pumps, in general7%

G02BOptical elements, systems or apparatus7%

G03BApparatus or arrangements for taking photographs or for projecting or viewing them7%

G05DSystems for controlling or regulating non-electric variables7%

G06FElectric digital data processing7%

H04BTransmission7%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1991Based in Nara, JP· patent location history

2000Patents assigned to FUJITSU LTD (1)· patent assignee history

2000Based in Kawasaki, JP· patent location history

2004–2005Patents assigned to ANDO ELECTRIC (2)· patent assignee history

2004Patents assigned to KYUSYU ANDO ELECTRIC COMPANY L (1)· patent assignee history

2004–2005Based in Yokohama, JP· patent location history

2005Patents assigned to KYUSYU ANDO ELECTRIC CO LTD (1)· patent assignee history

2005Based in Tokyo, JP· patent location history

2021Patents assigned to HITACHI IND & CONTROL SOLUTIONS LTD (1)· patent assignee history

2021Based in Kyoto, JP· patent location history

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
ANDO ELECTRIC	2	2004–2005
FUJITSU LTD	1	2000
HITACHI IND & CONTROL SOLUTIONS LTD	1	2021
KYUSYU ANDO ELECTRIC CO LTD	1	2005
KYUSYU ANDO ELECTRIC COMPANY L	1	2004

Locations