Inventor

Hiroto Yamauchi

Inventor

Hitachinaka, JP

Overview

1989–2007

Patent span

Electricity

Primary field (CPC H)

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

H04Nprimary

H04NPictorial communication, e.g. television38%

G11BInformation storage based on relative movement between record carrier and transducer31%

H03MCoding13%

H04LTransmission of digital information, e.g. telegraphic communication13%

H03HImpedance networks, e.g. resonant circuits6%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1989–2007Patents assigned to HITACHI LTD (9)· patent assignee history

1989–1991Patents assigned to HITACHI VIDEO ENG (2)· patent assignee history

1989–1993Based in Katsuta, JP· patent location history

1989Based in Kokubunji, JP· patent location history

1991Patents assigned to HITACHI ELECTRONICS (1)· patent assignee history

1998–2007Based in Hitachinaka, JP· patent location history

Assignee and location history derived from the patent record.

Assignees

Locations