Inventor

Eiji Nagashima

Inventor

Kami, JP

Overview

1980–2020

Patent span

Physics

Primary field (CPC G)

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

G10Hprimary

G10HElectrophonic musical instruments29%

B23PMetal-working not otherwise provided for12%

G01RMeasuring electric variables12%

H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems12%

Y10TTechnical subjects covered by former us classification12%

B25BTools or bench devices not otherwise provided for, for fastening, connecting, disengaging, or holding6%

G05FSystems for regulating electric or magnetic variables6%

H02HEmergency protective circuit arrangements6%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1980Patents assigned to TOKICO LTD (2)· patent assignee history

1980Based in Kofu, JP· patent location history

1986–1987Patents assigned to KAWAI MUSICAL INSTR MFG CO (5)· patent assignee history

1986–1987Based in Kami, JP· patent location history

1987Based in Shizuoka, JP· patent location history

2016–2020Patents assigned to FDK CORP (2)· patent assignee history

2016–2020Based in Tokyo, JP· patent location history

Assignee and location history derived from the patent record.

Assignees

Locations