Inventor

Keiji Osada

Inventor
Nirasaki, JP

Overview

11→
Patents
1981–2019
Patent span
Electricity
Primary field (CPC H)

Patents· 11 as inventor

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

H10Pprimary
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1026%
H01LSemiconductor devices17%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices13%
C23CCoating metallic material4%
C23FNon-mechanical removal of metallic material from surface4%
G01BMeasuring length, thickness or similar linear dimensions4%
G01DMeasuring not specially adapted for a specific variable4%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them4%
G03DApparatus for processing exposed photographic materials4%
G05BControl or regulating systems in general4%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1981Patents assigned to IDEMITSU KOSAN CO (1)· patent assignee history
1981Based in Narashino, JP· patent location history
1993–1995Patents assigned to FUJI PHOTO FILM CO LTD (3)· patent assignee history
1993–1995Based in Kanagawa, JP· patent location history
2010–2019Patents assigned to TOKYO ELECTRON LTD (6)· patent assignee history
2010–2019Based in Nirasaki, JP· patent location history
2013–2014Patents assigned to OSADA KEIJI (2)· patent assignee history
2013–2017Based in Yamanashi, JP· patent location history
2014Patents assigned to AKAHANE TOMOMI (1)· patent assignee history
2014Based in Nagano, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TOKYO ELECTRON LTD62010–2019
FUJI PHOTO FILM CO LTD31993–1995
OSADA KEIJIself22013–2014
AKAHANE TOMOMI12014
IDEMITSU KOSAN CO11981
Locations
LocationPatentsSpan
Nirasaki, JP42010–2019
Kanagawa, JP31993–1995
Yamanashi, JP22013–2017
Nagano, JP12014
Narashino, JP11981