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Inventor

Youichi Hara

Inventor
Suita, JP

Overview

3→
Patents
1986–1991
Patent span
Human necessities
Primary field (CPC A)

Patents· 3 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 preparations33%
C07DHeterocyclic compounds33%
F02PIgnition, other than compression ignition, for internal-combustion engines17%
Y02TClimate change mitigation technologies related to transportation17%
PatentTitleYear
5,021,435'Certain pyridyl-thiazolidin-4-one having anti-ulcer activity'19914,705,786'Novel oxadiazolyl-1,4-dihydropyridines useful as antihypertensive agents'19874,582,032'Ignition timing control system for internal combustion engine'1986

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1986Patents assigned to NISSAN MOTOR (1)· patent assignee history
1986Based in Hiratsuka, JP· patent location history
1987–1991Patents assigned to SUMITOMO PHARMA (2)· patent assignee history
1987Based in Ibaraki, JP· patent location history
1991Based in Suita, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SUMITOMO PHARMA21987–1991
NISSAN MOTOR11986
Locations
LocationPatentsSpan
Suita, JP11991
Ibaraki, JP11987
Hiratsuka, JP11986