Inventor

Hideo Katsumata

Inventor

Yokkaichi, JP

Overview

1985–1998

Patent span

Chemistry

Primary field (CPC C)

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

C08Fprimary

C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds20%

C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients13%

C08LCompositions of macromolecular compounds13%

E04GScaffolding13%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests13%

B01JChemical or physical processes, e.g. catalysis or colloid chemistry7%

B21FWorking or processing of metal wire7%

C08CTreatment or chemical modification of rubbers7%

C12NMicroorganisms or enzymes7%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1985Patents assigned to KYOWA HAKKO KOGYO KK (1)· patent assignee history

1985Based in Gotenba, JP· patent location history

1988–1998Patents assigned to OHBAYASHI CORP (2)· patent assignee history

1988Patents assigned to MITSUBISHI CHEM IND (1)· patent assignee history

1988Based in Kawaguchi, JP· patent location history

1990–1992Patents assigned to JAPAN SYNTHETIC RUBBER CO LTD (3)· patent assignee history

1990–1992Based in Yokkaichi, JP· patent location history

1998Patents assigned to MITSUBISHI CHEM CORP (1)· patent assignee history

1998Based in Tokyo, JP· patent location history

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
JAPAN SYNTHETIC RUBBER CO LTD	3	1990–1992
OHBAYASHI CORP	2	1988–1998
KYOWA HAKKO KOGYO KK	1	1985
MITSUBISHI CHEM CORP	1	1998
MITSUBISHI CHEM IND	1	1988

Locations