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Inventor

Keizo Yamaguchi

Inventor
Nagaokakyo, JP

Overview

3→
Patents
1986–2021
Patent span
Performing operations
Primary field (CPC B)

Patents· 3 as inventor

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

B05Bprimary
B05BSpraying apparatus14%
B05CApparatus for applying fluent materials to surfaces, in general14%
B05DProcesses for applying fluent materials to surfaces, in general14%
B26BHand-held cutting tools not otherwise provided for14%
F16JPistons14%
H01FMagnets14%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests14%
PatentTitleYear
11,043,323Variable inductor20214,869,201'Apparatus for coating can barrels'19894,604,800'Sealing construction for a casing'1986

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1986Patents assigned to MATSUSHITA ELECTRIC WORKS LTD (1)· patent assignee history
1986Based in Ikeda, JP· patent location history
1989Patents assigned to HOKKAI CAN (1)· patent assignee history
1989Based in Iwatsuki, JP· patent location history
2021Patents assigned to MURATA MANUFACTURING CO (1)· patent assignee history
2021Based in Nagaokakyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HOKKAI CAN11989
MATSUSHITA ELECTRIC WORKS LTD11986
MURATA MANUFACTURING CO12021
Locations
LocationPatentsSpan
Nagaokakyo, JP12021
Iwatsuki, JP11989
Ikeda, JP11986