Inventor

Kyozo Hayashi

Inventor
Osaka, JP

Overview

9→
Patents
1983–1996
Patent span
Chemistry
Primary field (CPC C)

Patents· 9 as inventor

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

G02Bprimary
G02BOptical elements, systems or apparatus27%
A61KPreparations for medical, dental or toiletry purposes9%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations9%
B22DCasting of metals9%
C07CAcyclic or carbocyclic compounds9%
C07DHeterocyclic compounds9%
C07KPeptides9%
H01HElectric switches9%
H01RElectrically-conductive connections9%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1983–1990Patents assigned to SUMITOMO ELECTRIC INDUSTRIES (5)· patent assignee history
1983–1991Based in Osaka, JP· patent location history
1985Patents assigned to TOYOTA MOTOR CO LTD (1)· patent assignee history
1991–1996Patents assigned to TAKEDA CHEMICAL INDUSTRIES LTD (3)· patent assignee history
1991Patents assigned to SUMITOMO ELECTRICAL IND LTD (1)· patent assignee history
1991–1996Based in Gifu, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SUMITOMO ELECTRIC INDUSTRIES51983–1990
TAKEDA CHEMICAL INDUSTRIES LTD31991–1996
SUMITOMO ELECTRICAL IND LTD11991
TOYOTA MOTOR CO LTD11985
Locations
LocationPatentsSpan
Osaka, JP61983–1991
Gifu, JP31991–1996