Inventor

Hiroomi Watabe

Inventor

Kanagawa, JP

Overview

5→

Patents

1984–2005

Patent span

Chemistry

Primary field (CPC C)

Patents· 5 as inventor

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

C07Dprimary

C07DHeterocyclic compounds29%

A61PSpecific therapeutic activity of chemical compounds or medicinal preparations21%

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

A61KPreparations for medical, dental or toiletry purposes7%

C12NMicroorganisms or enzymes7%

Y02ATechnologies for adaptation to climate change7%

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

PatentTitleYear

6,939,892'Compositions for treating or preventing malaria and method of treating malaria'2005 5,164,507'Antibiotic pyridine compound'1992 4,994,578'Certain anti-tumor duocarmycin antibiotics from streptomyces'1991 4,954,641'Novel antitumor antibiotic substance and a method for production thereof'1990 4,430,432'Endo-deoxyribonuclease and process for the production thereof'1984

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1984Patents assigned to RIKAGAKU KENKYUSHO (1)· patent assignee history

1984Based in Tokyo, JP· patent location history

1990–2005Patents assigned to MEIJI SEIKA KAISHA (4)· patent assignee history

1990–1992Based in Kanagawa, JP· patent location history

2005Patents assigned to ZAIDAN HOJIN BISEIBUTSU (1)· patent assignee history

2005Based in Yokohama, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
MEIJI SEIKA KAISHA	4	1990–2005
RIKAGAKU KENKYUSHO	1	1984
ZAIDAN HOJIN BISEIBUTSU	1	2005

Locations

Location	Patents	Span
Kanagawa, JP	3	1990–1992
Yokohama, JP	1	2005
Tokyo, JP	1	1984