LexDanaLexDanabeta
Inventor

Hiroaki Miyasaka

Inventor
Tokyo, JP

Overview

3→
Patents
2004–2020
Patent span
Electricity
Primary field (CPC H)

Patents· 3 as inventor

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

H04Bprimary
H04BTransmission40%
H04LTransmission of digital information, e.g. telegraphic communication40%
G11BInformation storage based on relative movement between record carrier and transducer20%
PatentTitleYear
10,771,132Transmitter, receiver, and semiconductor chip202010,009,078Transmitter, receiver, and semiconductor chip20186,700,850'Optical disk apparatus with opposing protective protrusions'2004

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2004Patents assigned to NEC CORP (1)· patent assignee history
2004–2020Based in Tokyo, JP· patent location history
2018–2020Patents assigned to JAPAN BROADCASTING CORP (2)· patent assignee history
2018–2020Patents assigned to NHK ENG SYSTEM INC (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
JAPAN BROADCASTING CORP22018–2020
NHK ENG SYSTEM INC22018–2020
NEC CORP12004
Locations
LocationPatentsSpan
Tokyo, JP32004–2020