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Inventor

Tsukasa Kawahara

Inventor
Tokyo, JP

Overview

3→
Patents
1980–1995
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.

C04Bprimary
C04BLime, magnesia67%
C07CAcyclic or carbocyclic compounds33%
PatentTitleYear
5,420,344'Process for producing highly pure terephthalic acid'19954,298,561'Process for preparing calcium silicate shaped product'19814,193,958'Process for preparing calcium silicate shaped product'1980

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1980–1981Patents assigned to MITSUBISHI CHEM IND (2)· patent assignee history
1980–1981Based in Tokyo, JP· patent location history
1995Patents assigned to MITSUBISHI CHEM CORP (1)· patent assignee history
1995Based in Mizumaki, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MITSUBISHI CHEM IND21980–1981
MITSUBISHI CHEM CORP11995
Locations
LocationPatentsSpan
Tokyo, JP21980–1981
Mizumaki, JP11995