Inventor

Akio Sekiguchi

Inventor
Tsukuba, JP

Overview

2→
Patents
1980–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 2 as inventor

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

C01Bprimary
C01BNon-metallic elements17%
C07DHeterocyclic compounds17%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices17%
H01LSemiconductor devices17%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1017%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1017%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1980Patents assigned to NIPPON KASEI CHEM (1)· patent assignee history
1980Based in Iwaki, JP· patent location history
2021Patents assigned to AIST (1)· patent assignee history
2021Patents assigned to MITSUI CHEMICALS INC (1)· patent assignee history
2021Based in Tsukuba, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
AIST12021
MITSUI CHEMICALS INC12021
NIPPON KASEI CHEM11980
Locations
LocationPatentsSpan
Tsukuba, JP12021
Iwaki, JP11980