Inventor

Toshiaki Kumagai

Inventor
Kawasaki, JP

Overview

4→
Patents
1992–2021
Patent span
Performing operations
Primary field (CPC B)

Patents· 4 as inventor

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

B65Hprimary
B65HHandling thin or filamentary material, e.g. sheets, webs, cables33%
A61BDiagnosis17%
B60NSeats specially adapted for vehicles17%
G02BOptical elements, systems or apparatus17%
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters17%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1992Patents assigned to SHIROKI CORP (1)· patent assignee history
1992Based in Kanagawa, JP· patent location history
1998–2000Patents assigned to FUJITSU LTD (2)· patent assignee history
1998–2000Based in Kawasaki, JP· patent location history
2021Patents assigned to OLYMPUS CORP (1)· patent assignee history
2021Based in Hino, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
FUJITSU LTD21998–2000
OLYMPUS CORP12021
SHIROKI CORP11992
Locations
LocationPatentsSpan
Kawasaki, JP21998–2000
Hino, JP12021
Kanagawa, JP11992