Inventor

Ryoji Yamamoto

Inventor
Matsumoto, JP

Overview

7→
Patents
1984–1994
Patent span
Chemistry
Primary field (CPC C)

Patents· 7 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 preparations22%
A61KPreparations for medical, dental or toiletry purposes11%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1984–1994Patents assigned to KISSEI PHARMACEUTICAL (6)· patent assignee history
1984Patents assigned to ONO PHARMACEUTICAL CO (2)· patent assignee history
1984–1994Based in Matsumoto, JP· patent location history
1984Based in Nagano, JP· patent location history
1986Based in Kanbayashi, JP· patent location history
1994Patents assigned to NITTEN OPHTHALMIC RESEARCH INS (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KISSEI PHARMACEUTICAL61984–1994
ONO PHARMACEUTICAL CO21984
NITTEN OPHTHALMIC RESEARCH INS11994
Locations
LocationPatentsSpan
Matsumoto, JP41984–1994
Nagano, JP21984
Kanbayashi, JP11986