Inventor

Suguru Hirokawa

Inventor

Saijo, JP

Overview

1996–2021

Patent span

Electricity

Primary field (CPC H)

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

H01Jprimary

H01JElectric discharge tubes or discharge lamps36%

H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1036%

G05DSystems for controlling or regulating non-electric variables9%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests9%

Y10TTechnical subjects covered by former us classification9%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1996–1997Patents assigned to EATON CORP (2)· patent assignee history

1996–1997Based in Saijyou, JP· patent location history

2007Patents assigned to SUMITOMO EATON NOVA (1)· patent assignee history

2007–2009Based in Saijo, JP· patent location history

2009Patents assigned to SEN CORP AN SHI AND AXCELIS CO (1)· patent assignee history

2017Patents assigned to SUMITOMO HEAVY IND ION TECH CO LTD (1)· patent assignee history

2017Based in Ehime, JP· patent location history

2021Patents assigned to DENKA COMPANY LTD (1)· patent assignee history

2021Based in Shibukawa, JP· patent location history

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
EATON CORP	2	1996–1997
DENKA COMPANY LTD	1	2021
SEN CORP AN SHI AND AXCELIS CO	1	2009
SUMITOMO EATON NOVA	1	2007
SUMITOMO HEAVY IND ION TECH CO LTD	1	2017

Locations