Inventor

Masaru Ohto

Inventor
Tokyo, JP

Overview

10→
Patents
1993–2017
Patent span
Electricity
Primary field (CPC H)

Patents· 10 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 h1020%
C11DDetergent compositions13%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices13%
H01LSemiconductor devices13%
B81CProcesses or apparatus specially adapted for the manufacture or treatment of microstructural devices or systems8%
C23FNon-mechanical removal of metallic material from surface8%
C23GCleaning or de-greasing of metallic material by chemical methods other than electrolysis8%
C09KMaterials for miscellaneous applications, not provided for elsewhere5%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h105%
C08JWorking-up3%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1993–2017Patents assigned to MITSUBISHI GAS CHEMICAL CO (10)· patent assignee history
1993–2017Based in Tokyo, JP· patent location history
2011–2015Based in Chiba, JP· patent location history
2014–2016Patents assigned to OHTO MASARU (4)· patent assignee history
2014Patents assigned to ABE KOJIRO (1)· patent assignee history
2015–2016Patents assigned to MATSUNAGA HIROSHI (3)· patent assignee history
2015–2016Patents assigned to YAMADA KENJI (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MITSUBISHI GAS CHEMICAL CO101993–2017
OHTO MASARUself42014–2016
MATSUNAGA HIROSHI32015–2016
YAMADA KENJI22015–2016
ABE KOJIRO12014
Locations
LocationPatentsSpan
Tokyo, JP71993–2017
Chiba, JP32011–2015