Inventor

Yutaka Saitoh

Inventor

Machida, JP

Overview

15→

Patents

1996–2005

Patent span

Chemistry

Primary field (CPC C)

Patents· 15 as inventor

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

C07Dprimary

C07DHeterocyclic compounds43%

A61PSpecific therapeutic activity of chemical compounds or medicinal preparations17%

C12PFermentation or enzyme-using processes to synthesise a desired chemical compound or composition or to separate optical isomers from a racemic mixture13%

A61KPreparations for medical, dental or toiletry purposes10%

C07HSugars7%

C07CAcyclic or carbocyclic compounds3%

C12NMicroorganisms or enzymes3%

C12RIndexing scheme associated with subclasses c12c - c12q, relating to microorganisms3%

PatentTitleYear

6,869,971'UCS1025 derivatives'2005 6,815,449'LK6-A derivatives'2004 6,613,774'Pyrrolo 4,3,2-de quinoline derivatives'2003 5,977,165'Radicicol derivatives'1999 5,925,641'Farnesyltransferase inhibitor'1999 5,874,592'Physiologically active substance EI-2128-1'1999 5,804,599'Interleukin-1 production inhibiting compound'1998 5,776,739'Process for producing disaccharides and novel disaccharides'1998 5,733,924'DC 107 derivatives and treatment methods'1998 5,728,830'Farnesyltransferase inhibitor'1998 5,728,709'Alkyl and aralkyl-substituted pyrrolocarbazole derivatives that stimulate platelet production'1998 5,629,304'Therapeutic agent for thrombocytopenia and indolocarbazole derivatives'1997 5,604,219'Indolocarbazole derivatives that stimulate platelet production'1997 5,565,489'Epoxycyclohexenedione derivatives'1996 5,510,501'Saintopin derivatives'1996

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1996–2005Patents assigned to KYOWA HAKKO KOGYO KK (15)· patent assignee history

1996–1999Based in Machida, JP· patent location history

1998–1999Based in Tokyo, JP· patent location history

1999–2004Based in Numazu, JP· patent location history

2003Based in Shizuoka, JP· patent location history

2005Based in Sunto-gun, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
KYOWA HAKKO KOGYO KK	15	1996–2005

Locations

Location	Patents	Span
Machida, JP	8	1996–1999
Tokyo, JP	3	1998–1999
Numazu, JP	2	1999–2004
Sunto-gun, JP	1	2005
Shizuoka, JP	1	2003