Inventor

Yasuyuki Mizunuma

Inventor

Kanagawa, JP

Overview

1985–2009

Patent span

Electricity

Primary field (CPC H)

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

H01Rprimary

H01RElectrically-conductive connections27%

H01PWaveguides13%

H03BGeneration of oscillations, directly or by frequency-changing, by circuits employing active elements which operate in a non-switching manner13%

H03HImpedance networks, e.g. resonant circuits13%

H03DDemodulation or transference of modulation from one carrier to another7%

H05KPrinted circuits7%

H10DInorganic electric semiconductor devices7%

H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h107%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests7%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1985Patents assigned to NEC CORP (1)· patent assignee history

1985Based in Miyagi, JP· patent location history

1989–1995Patents assigned to SONY CORP (5)· patent assignee history

1989–1995Based in Kanagawa, JP· patent location history

1990Patents assigned to DAIICHI DENSHI KOGYO (1)· patent assignee history

1990Based in Kanuma, JP· patent location history

1997–2009Patents assigned to DDK LTD (3)· patent assignee history

1997–2009Based in Tokyo, JP· patent location history

Assignee and location history derived from the patent record.

Assignees

Locations