Inventor

Seiji Kajiwara

Inventor

Mie, JP

Overview

1983–2014

Patent span

Electricity

Primary field (CPC H)

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

H02Mprimary

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 systems23%

H10BElectronic memory devices23%

H10DInorganic electric semiconductor devices23%

H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1015%

G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices8%

H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers8%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1983Patents assigned to TOKYO SHIBAURA ELECTRIC CO (3)· patent assignee history

1983Based in Yokohama, JP· patent location history

1987Patents assigned to KOIDE HIDEO (1)· patent assignee history

1987Patents assigned to NIPPON KEMIKON (1)· patent assignee history

1987Based in Tokyo, JP· patent location history

2012–2014Patents assigned to TOSHIBA KK (3)· patent assignee history

2012–2013Patents assigned to KAJIWARA SEIJI (2)· patent assignee history

2012–2014Based in Mie, JP· patent location history

Assignee and location history derived from the patent record.

Assignees

Locations