Inventor

Tsutomu Katakami

Inventor

Yokohama, JP

Overview

1985–1994

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.

C07Dprimary

C07DHeterocyclic compounds67%

A61PSpecific therapeutic activity of chemical compounds or medicinal preparations27%

Y02PClimate change mitigation technologies in the production or processing of goods7%

PatentTitleYear

5,332,739'Pyrimidinedione derivatives and antiarrhythmic agents containing same'1994 5,308,848'Pyrimidinedione derivatives and antiarrythmic agents containing the same'1994 5,114,941'Pyrimidinedione derivative compounds, method for preparing same, and antiarrythmic agents containing same'1992 5,008,267'Pyrimidinedione compounds, method of producing the same and antiarrythmic agents containing the same'1991 4,965,263'6-acylaminophenyl-5-alkyl-4,5-dihydro-3(2H)-pyridazinone compounds useful as blood pressure depressants, antithrombotic agents and in the treatment of heart disease'1990 4,639,451'Pyridazinone derivatives'1987 4,539,151'Benzothiazepine derivatives and their method of preparation'1985 4,539,150'Benzothiazepine derivatives and their methods of preparation'1985 4,523,011'Process for preparing 6-(substituted phenyl)-4,5-dihydro-3(2H)-pyridazinone compounds'1985 4,521,415'6-(Substituted phenyl)-4,5-dihydro-3(2H)-pyridazinone compounds'1985

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1985–1994Patents assigned to MITSUI TOATSU CHEMICALS (10)· patent assignee history

1985–1990Based in Yokohama, JP· patent location history

1985Based in Kanagawa, JP· patent location history

1991Based in Kamakura, JP· patent location history

1992–1994Based in Mobara, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
MITSUI TOATSU CHEMICALS	10	1985–1994

Locations

Location	Patents	Span
Yokohama, JP	4	1985–1990
Mobara, JP	3	1992–1994
Kanagawa, JP	2	1985
Kamakura, JP	1	1991