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Inventor

Kazumasa Yamaguchi

Inventor
Tokyo, JP

Overview

3→
Patents
1978–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 3 as inventor

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

H03Hprimary
H03HImpedance networks, e.g. resonant circuits67%
LOC1433%
PatentTitleYear
D0911436Printer20214,218,631'Electrode structure for thickness mode piezoelectric vibrating elements'19804,112,324'Mounting for plural piezoelectric vibrator units'1978

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978–1980Patents assigned to KINSEKISHA LAB LTD (2)· patent assignee history
1978Based in Komae, JP· patent location history
1980Based in Machida, JP· patent location history
2021Patents assigned to OKI DATA KK (1)· patent assignee history
2021Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KINSEKISHA LAB LTD21978–1980
OKI DATA KK12021
Locations
LocationPatentsSpan
Tokyo, JP12021
Machida, JP11980
Komae, JP11978