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Inventor

Takao Shihoya

Inventor
Tokyo, JP

Overview

2→
Patents
1994–1996
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.

C11Dprimary
C11DDetergent compositions33%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1033%
C23FNon-mechanical removal of metallic material from surface17%
C23GCleaning or de-greasing of metallic material by chemical methods other than electrolysis17%
PatentTitleYear
5,580,847'Aqueous ammonia composition'19965,326,490'Surface tension sulfuric acid composition'1994

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1994–1996Patents assigned to KANTO KAGAKU (2)· patent assignee history
1994–1996Patents assigned to NISSAN CHEMICAL IND LTD (2)· patent assignee history
1994–1996Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KANTO KAGAKU21994–1996
NISSAN CHEMICAL IND LTD21994–1996
Locations
LocationPatentsSpan
Tokyo, JP21994–1996