Inventor

Masanobu Fujioka

Inventor

Saitama, JP

Overview

15→

Patents

1983–2007

Patent span

Electricity

Primary field (CPC H)

Patents· 15 as inventor

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

H04Qprimary

H04QSelecting42%

H04MTelephonic communication19%

H04LTransmission of digital information, e.g. telegraphic communication15%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein4%

G10LSpeech analysis techniques or speech synthesis4%

H04JMultiplex communication4%

H04WWireless communication networks4%

PatentTitleYear

7,177,636'Radio terminal, radio terminal controlling apparatus and location registration auxiliary apparatus'2007 6,111,937'Apparatus and method for automatically determining whether a telephone service user speaks the language of the service'2000 5,960,063'Telephone speech recognition system'1999 5,309,440'ISDN user-network interface system'1994 5,270,701'Service processing system with distributed data bases'1993 5,062,106'ATM exchange system'1991 4,923,265'Light triggering switch'1990 4,910,766'Quasi reservation-based communication service process system'1990 4,894,861'Terminal in communication network for notifying originating party\'s number'1990 4,894,818'Optical packet switching system using multi-stage combination of light triggering switches'1990 4,792,800'Local communication system among ISDN terminal equipments'1988 4,722,082'ISDN subscriber terminal control system'1988 4,692,917'Packet switching system'1987 4,421,955'Distributed switching system'1983 4,392,224'Speech path switching system in time-divisional electronic telephone switching system'1983

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1983–2000Patents assigned to KOKUSAI DENSHIN DENWA CO LTD (13)· patent assignee history

1983–1994Based in Tokyo, JP· patent location history

1988Patents assigned to KOBUSAI DENSHIN DENWA CO LTD (1)· patent assignee history

1990–2007Based in Saitama, JP· patent location history

1990Based in Ohmiya, JP· patent location history

2007Patents assigned to ERICSSON TELEFON AB L M (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
KOKUSAI DENSHIN DENWA CO LTD	13	1983–2000
ERICSSON TELEFON AB L M	1	2007
KOBUSAI DENSHIN DENWA CO LTD	1	1988

Locations

Location	Patents	Span
Saitama, JP	6	1990–2007
Tokyo, JP	6	1983–1994
Ohmiya, JP	3	1990