Inventor

Akio Hashizume

Inventor
Kyoto, JP

Overview

20→
Patents
1988–2020
Patent span
Electricity
Primary field (CPC H)

Patents· 20 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 h1029%
H01LSemiconductor devices16%
B08BCleaning in general11%
B44CProducing decorative effects8%
B05CApparatus for applying fluent materials to surfaces, in general5%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%
B01FMixing, e.g. dissolving, emulsifying or dispersing3%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices3%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h103%
A46BBrushes2%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988Patents assigned to HASHIZUME YASUYOSHI (1)· patent assignee history
1988Based in Tokyo, JP· patent location history
2008–2018Patents assigned to DAINIPPON SCREEN MFG (12)· patent assignee history
2008–2020Based in Kyoto, JP· patent location history
2013–2016Patents assigned to HASHIZUME AKIO (3)· patent assignee history
2013–2016Patents assigned to AKANISHI YUYA (2)· patent assignee history
2014–2020Patents assigned to SCREEN HOLDINGS CO LTD (10)· patent assignee history
2018Based in Shijonawate, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DAINIPPON SCREEN MFG122008–2018
SCREEN HOLDINGS CO LTD102014–2020
HASHIZUME AKIOself32013–2016
AKANISHI YUYA22013–2016
HASHIZUME YASUYOSHI11988
Locations
LocationPatentsSpan
Kyoto, JP182008–2020
Shijonawate, JP12018
Tokyo, JP11988