Inventor

Haruki Takai

Inventor

Shizuoka, JP

Overview

1982–2001

Patent span

Chemistry

Primary field (CPC C)

Patents· 19 as inventor

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

C07Dprimary

C07DHeterocyclic compounds61%

A61PSpecific therapeutic activity of chemical compounds or medicinal preparations23%

C07CAcyclic or carbocyclic compounds13%

A61KPreparations for medical, dental or toiletry purposes3%

PatentTitleYear

6,211,227'Tricyclic compounds'2001 5,948,784'Quinazoline derivatives'1999 5,891,902'Indole derivatives'1999 5,726,325'Tricyclic compounds'1998 5,698,560'Imidazoquinazoline derivatives'1997 5,661,147'Imidazoquinazoline derivatives'1997 5,658,917'Isoquinolines having adenosine uptake inhibitor activity'1997 5,648,353'Quinazolines and phthalazines having adenosine uptake inhibitor activity'1997 5,624,926'Piperidinyl-dioxoquinazolines as adenosine reuptake inhibitors'1997 5,605,900'Benzotriazines having adenosine uptake inhibitor activity'1997 5,523,464'Benzenesulfonamide derivatives'1996 5,413,997'Triphenylmethane derivatives'1995 5,374,634'Pyridine derivatives'1994 5,112,867'Triphenylmethane derivatives'1992 5,063,227'Quinazoline-substituted pyridazinone derivatives having cardiotonic activity'1991 4,668,683'Cardiotonic quinazoline derivatives'1987 4,390,536'Piperidine derivatives'1983 4,344,948'Piperidine derivatives and pharmaceutical compositions containing same'1982 4,344,945'Piperidine derivatives'1982

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1982–2001Patents assigned to KYOWA HAKKO KOGYO KK (18)· patent assignee history

1982–1983Based in Kawasaki, JP· patent location history

1987–1999Based in Shizuoka, JP· patent location history

1992Patents assigned to KYOWA HAKKO GOGYO CO LTD (1)· patent assignee history

1997–2001Based in Yokohama, JP· patent location history

1997Based 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	18	1982–2001
KYOWA HAKKO GOGYO CO LTD	1	1992

Locations

Location	Patents	Span
Shizuoka, JP	11	1987–1999
Yokohama, JP	3	1997–2001
Kawasaki, JP	3	1982–1983
Sunto-gun, JP	2	1997