Inventor

Kazuyuki Koyanagi

Inventor

Tokyo, JP

Overview

2→

Patents

2013–2019

Patent span

Electricity

Primary field (CPC H)

Patents· 2 as inventor

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

H04Nprimary

H04NPictorial communication, e.g. television33%

G06FElectric digital data processing17%

G09GArrangements or circuits for control of indicating devices using static means to present variable information17%

H04LTransmission of digital information, e.g. telegraphic communication17%

Y02DClimate change mitigation technologies in information and communication technologies [ict], i.e. information and communication technologies aiming at the reduction of their own energy use17%

PatentTitleYear

10,176,140HDMI apparatus of high-definition TV has switching circuit that outputs low-level/ground potential to second pin of HDMI connector if a first signal is not outputted2019 8,620,134'Video and audio reproducing apparatus and video and audio reproducing method for reproducing video images and sound based on video and audio streams'2013

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2013Patents assigned to KOYANAGI KAZUYUKI (1)· patent assignee history

2013Patents assigned to MIHARA TOMOHIRO (1)· patent assignee history

2013Patents assigned to NEC VIEWTECHNOLOGY LTD (1)· patent assignee history

2013–2019Based in Tokyo, JP· patent location history

2019Patents assigned to NEC DISPLAY SOLUTIONS LTD (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
KOYANAGI KAZUYUKIself	1	2013
MIHARA TOMOHIRO	1	2013
NEC DISPLAY SOLUTIONS LTD	1	2019
NEC VIEWTECHNOLOGY LTD	1	2013

Locations

Location	Patents	Span
Tokyo, JP	2	2013–2019