Inventor

Kiyohiko Yamazaki

Inventor
Tokyo, JP

Overview

10→
Patents
1992–2008
Patent span
Electricity
Primary field (CPC H)

Patents· 10 as inventor

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

H04Lprimary
H04LTransmission of digital information, e.g. telegraphic communication29%
H03KPulse technique21%
H03LAutomatic control, starting, synchronisation or stabilisation of generators of electronic oscillations or pulses14%
G10LSpeech analysis techniques or speech synthesis7%
H03DDemodulation or transference of modulation from one carrier to another7%
H04JMultiplex communication7%
H04MTelephonic communication7%
H04QSelecting7%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1992–2008Patents assigned to OKI ELECTRIC IND CO LTD (10)· patent assignee history
1992–2005Based in Tokyo, JP· patent location history
2005–2008Based in Kanagawa, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
OKI ELECTRIC IND CO LTD101992–2008
Locations
LocationPatentsSpan
Tokyo, JP61992–2005
Kanagawa, JP42005–2008