Inventor

Yasuo Yokoyama

Inventor
Kiryu, JP

Overview

11→
Patents
1976–2017
Patent span
Electricity
Primary field (CPC H)

Patents· 11 as inventor

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

C23Dprimary
C23DEnamelling of, or applying a vitreous layer to, metals13%
H01FMagnets13%
C21DModifying the physical structure of ferrous metals9%
C23CCoating metallic material9%
F16DCouplings for transmitting rotation9%
H05KPrinted circuits9%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h109%
Y10TTechnical subjects covered by former us classification9%
B65HHandling thin or filamentary material, e.g. sheets, webs, cables4%
D07BRopes or cables in general4%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–2002Patents assigned to KAWASAKI STEEL CO (5)· patent assignee history
1976Based in Ashiya, JP· patent location history
1983–2000Patents assigned to OGURA CLUTCH CO LTD (3)· patent assignee history
1983–2000Based in Kiryu, JP· patent location history
2002–2017Patents assigned to MURATA MANUFACTURING CO (3)· patent assignee history
2002Based in Ishikawa, JP· patent location history
2012Patents assigned to YOKOYAMA YASUO (1)· patent assignee history
2012Based in Kahoku, JP· patent location history
2017Based in Kyoto, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KAWASAKI STEEL CO51976–2002
MURATA MANUFACTURING CO32002–2017
OGURA CLUTCH CO LTD31983–2000
YOKOYAMA YASUOself12012
Locations
LocationPatentsSpan
Kiryu, JP31983–2000
Ashiya, JP21976
Kyoto, JP12017
Kahoku, JP12012
Ishikawa, JP12002