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Inventor

Masahiko Ishizaki

Inventor
Tsukuba, JP

Overview

4→
Patents
1989–1997
Patent span
Chemistry
Primary field (CPC C)

Patents· 4 as inventor

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

A01Nprimary
A01NPreservation of bodies of humans or animals or plants or parts thereof36%
C07DHeterocyclic compounds36%
C07CAcyclic or carbocyclic compounds27%
PatentTitleYear
5,674,811'Cyanoketone derivative and herbicide containing it as an active component'19975,629,265'Cyanoketone derivative and herbicide containing it as an active component'19975,234,894'Carbonyl acetonitrile derivative and herbicide containing it as an active component'19934,802,907'N-substituted chloroacetanilides processes for production thereof, and herbicidal composition comprising the same'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989–1993Patents assigned to TOKUYAMA SODA KK (2)· patent assignee history
1989Based in Sagamihara, JP· patent location history
1993–1997Based in Tsukuba, JP· patent location history
1997Patents assigned to TOKUYAMA CORP (2)· patent assignee history
1997Based in late of Westfield, GB· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TOKUYAMA CORP21997
TOKUYAMA SODA KK21989–1993
Locations
LocationPatentsSpan
Tsukuba, JP21993–1997
late of Westfield, GB11997
Sagamihara, JP11989