Inventor

Hideo Ito

Inventor
Tokyo, JP

Overview

3→
Patents
1977–2021
Patent span
Chemistry
Primary field (CPC C)

Patents· 3 as inventor

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

C07Cprimary
C07CAcyclic or carbocyclic compounds33%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form17%
B41MPrinting, duplicating, marking, or copying processes17%
C07DHeterocyclic compounds17%
Y10TTechnical subjects covered by former us classification17%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977Patents assigned to CHIYOMARU ISAO (1)· patent assignee history
1977Patents assigned to ITO HIDEO (1)· patent assignee history
1977Patents assigned to OKUDA ITSUKI (1)· patent assignee history
1977Based in Shizuoka, JP· patent location history
1978Patents assigned to KUMIAI CHEMICAL INDUSTRY CO (1)· patent assignee history
1978Based in Onomichi, JP· patent location history
2021Patents assigned to DAINIPPON PRINTING CO LTD (1)· patent assignee history
2021Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CHIYOMARU ISAO11977
DAINIPPON PRINTING CO LTD12021
ITO HIDEOself11977
KUMIAI CHEMICAL INDUSTRY CO11978
OKUDA ITSUKI11977
Locations
LocationPatentsSpan
Tokyo, JP12021
Onomichi, JP11978
Shizuoka, JP11977