Inventor

Kazuyuki Ikenaga

Inventor
Tokyo, JP

Overview

15→
Patents
2004–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 15 as inventor

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

H01Jprimary
H01JElectric discharge tubes or discharge lamps32%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1027%
H01LSemiconductor devices15%
H05HPlasma technique7%
C23CCoating metallic material5%
C23FNon-mechanical removal of metallic material from surface5%
B08BCleaning in general2%
F04BPositive-displacement machines for liquids2%
G01RMeasuring electric variables2%
G05DSystems for controlling or regulating non-electric variables2%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2004–2010Patents assigned to HITACHI LTD (5)· patent assignee history
2004–2005Based in Chiyoda-ku, JP· patent location history
2005–2021Patents assigned to HITACHI HIGH TECH CORP (11)· patent assignee history
2009–2010Based in Ibaraki, JP· patent location history
2011Based in Hachioji, JP· patent location history
2014Patents assigned to HITACHI HIGH TECHNOLOGIES COPORATION (1)· patent assignee history
2014Patents assigned to IKENAGA KAZUYUKI (1)· patent assignee history
2014Patents assigned to KANNO SEIICHIRO (1)· patent assignee history
2014Based in Tachikawa, JP· patent location history
2017–2021Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI HIGH TECH CORP112005–2021
HITACHI LTD52004–2010
HITACHI HIGH TECHNOLOGIES COPORATION12014
IKENAGA KAZUYUKIself12014
KANNO SEIICHIRO12014
Locations
LocationPatentsSpan
Tokyo, JP62017–2021
Chiyoda-ku, JP32004–2005
Hachioji, JP22011
Ibaraki, JP22009–2010
Tachikawa, JP12014