Inventor

Katsuhiko Shimakawa

Inventor
Sabae, JP

Overview

2→
Patents
1985–1986
Patent span
Chemistry
Primary field (CPC C)

Patents· 2 as inventor

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

C09Kprimary
C09KMaterials for miscellaneous applications, not provided for elsewhere50%
C10LFuels not otherwise provided for50%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1985–1986Patents assigned to CHIYODA CHEM ENG CONSTRUCT CO (2)· patent assignee history
1985Patents assigned to NIKKA CHEMICAL IND CO LTD (1)· patent assignee history
1985–1986Based in Sabae, JP· patent location history
1986Patents assigned to NIKKA CHEMICAL INDUSTRY CO (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CHIYODA CHEM ENG CONSTRUCT CO21985–1986
NIKKA CHEMICAL IND CO LTD11985
NIKKA CHEMICAL INDUSTRY CO11986
Locations
LocationPatentsSpan
Sabae, JP21985–1986