Inventor

Toshitaka Yamagata

Inventor

Chepstow, GB

Overview

1985–2021

Patent span

Chemistry

Primary field (CPC C)

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

C08Gprimary

C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds17%

C08LCompositions of macromolecular compounds17%

H05KPrinted circuits17%

B23HWorking of metal by the action of a high concentration of electric current on a workpiece using an electrode which takes the place of a tool8%

C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients8%

H01LSemiconductor devices8%

H04LTransmission of digital information, e.g. telegraphic communication8%

H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h108%

Y10TTechnical subjects covered by former us classification8%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1985Patents assigned to AMADA CO LTD (1)· patent assignee history

1985Based in Tokyo, JP· patent location history

2014–2016Patents assigned to MIYATA KENJI (2)· patent assignee history

2014–2016Patents assigned to YAMAGATA TOSHITAKA (2)· patent assignee history

2014Patents assigned to DENKI KAGAKU KOGYO KK (1)· patent assignee history

2014Based in Gunma, JP· patent location history

2016–2020Patents assigned to DENKA COMPANY LTD (2)· patent assignee history

2016Based in Shibukawa, JP· patent location history

2020Based in Omuta, JP· patent location history

2021Based in Chepstow, GB· patent location history

Assignee and location history derived from the patent record.

Assignees

Locations