Inventor

Motoyuki Yajima

Inventor
Otsu, JP

Overview

12→
Patents
1980–2021
Patent span
Human necessities
Primary field (CPC A)

Patents· 12 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 preparations39%
A61KPreparations for medical, dental or toiletry purposes25%
C07DHeterocyclic compounds14%
C07KPeptides11%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests7%
H02KDynamo-electric machines4%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1980Patents assigned to KAKENYAKU KAKO KK (1)· patent assignee history
1980–1991Based in Ohtsu, JP· patent location history
1986–1998Patents assigned to KAKEN PHARMA CO LTD (7)· patent assignee history
1986–1991Based in Otsu, JP· patent location history
1991Patents assigned to BASOTHERM GMBH (1)· patent assignee history
1991Patents assigned to KAKEN CHEMICAL CO (1)· patent assignee history
1995–2001Patents assigned to TORAY INDUSTRIES (4)· patent assignee history
1995–1998Based in Kyoto, JP· patent location history
2001Based in Urayasu, JP· patent location history
2021Based in Kiryu, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KAKEN PHARMA CO LTD71986–1998
TORAY INDUSTRIES41995–2001
BASOTHERM GMBH11991
KAKEN CHEMICAL CO11991
KAKENYAKU KAKO KK11980
Locations
LocationPatentsSpan
Otsu, JP41986–1991
Kyoto, JP31995–1998
Ohtsu, JP31980–1991
Kiryu, JP12021
Urayasu, JP12001