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Inventor

Shozo Sumikawa

Inventor
Hofu, JP

Overview

2→
Patents
1976–1977
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.

C07Cprimary
C07CAcyclic or carbocyclic compounds100%
PatentTitleYear
4,035,419'Process for the preparation of malic acid crystals'19773,983,170'Process for the purification of malic acid'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976Patents assigned to INT ORGANICS INC (1)· patent assignee history
1976–1977Based in Hofu, JP· patent location history
1977Patents assigned to OKIURA TOMOO (1)· patent assignee history
1977Patents assigned to SAKAGUCHI SHINICHIRO (1)· patent assignee history
1977Patents assigned to SUMIKAWA SHOZO (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
INT ORGANICS INC11976
OKIURA TOMOO11977
SAKAGUCHI SHINICHIRO11977
SUMIKAWA SHOZOself11977
Locations
LocationPatentsSpan
Hofu, JP21976–1977