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Inventor

Hiroshi Ogawara

Inventor
Tokyo, JP

Overview

5→
Patents
1977–1997
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.

A61Pprimary
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations29%
C07DHeterocyclic compounds29%
A61KPreparations for medical, dental or toiletry purposes14%
C07HSugars14%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds14%
PatentTitleYear
5,614,554'Reverse transcriptase inhibitors and antiviral agents'19975,159,069'Sulfated tannins and their salts'19924,960,908'Isoflavone derivatives, salts thereof, and oncostatic and immunosuppressive agents'19904,841,077'Isoflavone derivatives, and salts thereof, and cancerocidal and immunosuppressive agents containing the same'19894,032,485'Polyurethane foams based on mixed itaconic acid polyesters'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977Patents assigned to MIYOSHI YUSHI KK (1)· patent assignee history
1977Based in Matsudo, JP· patent location history
1989–1992Patents assigned to YAMANOUCHI PHARMA CO LTD (3)· patent assignee history
1989–1997Based in Tokyo, JP· patent location history
1992Patents assigned to NIPPONFLOUR MILLS CO LTD (1)· patent assignee history
1997Patents assigned to NIPPON FLOUR MILLS (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
YAMANOUCHI PHARMA CO LTD31989–1992
MIYOSHI YUSHI KK11977
NIPPON FLOUR MILLS11997
NIPPONFLOUR MILLS CO LTD11992
Locations
LocationPatentsSpan
Tokyo, JP41989–1997
Matsudo, JP11977