Inventor

Sumio Kiyoto

Inventor

Tsukuba, JP

Overview

6→

Patents

1986–1995

Patent span

Chemistry

Primary field (CPC C)

Patents· 6 as inventor

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

C12Pprimary

C12PFermentation or enzyme-using processes to synthesise a desired chemical compound or composition or to separate optical isomers from a racemic mixture21%

C12NMicroorganisms or enzymes18%

C12RIndexing scheme associated with subclasses c12c - c12q, relating to microorganisms18%

A61KPreparations for medical, dental or toiletry purposes11%

A61PSpecific therapeutic activity of chemical compounds or medicinal preparations11%

C07KPeptides11%

C07CAcyclic or carbocyclic compounds4%

C07DHeterocyclic compounds4%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests4%

PatentTitleYear

5,436,140'Process for producing WS-9326A and WS-9326B'1995 5,217,952'Peptides WS-9326a and WS-9326b, derivatives thereof and uses thereof'1993 5,187,195'Anthraquinone derivatives and preparation thereof'1993 4,680,178'Antitumor agent comprising FR-900216'1987 4,670,259'Compound FR-68504, production thereof and use thereof'1987 4,578,271'Biologically active WS 6049 substances, a process for the production thereof and their pharmaceutical compositions'1986

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1986–1995Patents assigned to FUJISAWA PHARMACEUTICAL CO (6)· patent assignee history

1986Based in Urawa, JP· patent location history

1987Based in Ikeda, JP· patent location history

1987Based in Ibaraki, JP· patent location history

1993–1995Based in Tsukuba, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
FUJISAWA PHARMACEUTICAL CO	6	1986–1995

Locations

Location	Patents	Span
Tsukuba, JP	3	1993–1995
Ikeda, JP	1	1987
Ibaraki, JP	1	1987
Urawa, JP	1	1986