Inventor

Hideki Tsuruta

Inventor

Iwakuni, JP

Overview

1976–1984

Patent span

Chemistry

Primary field (CPC C)

Patents· 10 as inventor

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

C07Cprimary

C07CAcyclic or carbocyclic compounds33%

C07JSteroids27%

Y02PClimate change mitigation technologies in the production or processing of goods20%

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

C07DHeterocyclic compounds7%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests7%

PatentTitleYear

4,456,553'Vitamin D.sub.3 derivatives, process for preparation thereof, and antigens comprising said derivatives to be used for preparation of antibodies for immunochemical assay and antibodies prepared therefrom'1984 4,388,243'Process for the preparation of active-type vitamin D.sub.3 compounds'1983 4,298,537'Process for producing steroid compounds having an oxo group in the side chain'1981 4,292,249'25-Hydroxy-24-oxocholestane derivatives and preparation thereof'1981 4,153,630'Inclusion compounds, process for preparation thereof, and process for separating isomers using the inclusion compounds'1979 4,138,553'3-Methylene cephalosporanic acid derivatives and process for preparation thereof'1979 4,116,955'Inclusion complex compound, process for its production, and method for its use'1978 3,975,441'Process for recovering purified 4-hydroxy-2,4,6-trimethyl-2,5-cyclohexadiene-1-one'1976 3,966,818'Novel process for preparation of 4-hydroxy-2,4,6-trimethyl-2,5-cyclohexadiene-1-one'1976 3,957,887'Process for preparing trimethylhydroquinone'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1984Patents assigned to TEIJIN LTD (10)· patent assignee history

1976–1983Based in Iwakuni, JP· patent location history

1979Based in Hino, JP· patent location history

1984Based in Yamaguchi, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
TEIJIN LTD	10	1976–1984

Locations

Location	Patents	Span
Iwakuni, JP	7	1976–1983
Hino, JP	2	1979
Yamaguchi, JP	1	1984