Inventor

Fumio Sugiyama

Inventor
Sagamihara, JP

Overview

11→
Patents
1977–2002
Patent span
Electricity
Primary field (CPC H)

Patents· 11 as inventor

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

H04Nprimary
H04NPictorial communication, e.g. television21%
H04KSecret communication14%
H04LTransmission of digital information, e.g. telegraphic communication14%
G01RMeasuring electric variables7%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein7%
G06FElectric digital data processing7%
G06GAnalogue computers7%
G10LSpeech analysis techniques or speech synthesis7%
H04WWireless communication networks7%
Y02DClimate change mitigation technologies in information and communication technologies [ict], i.e. information and communication technologies aiming at the reduction of their own energy use7%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–1983Patents assigned to TOKYO SHIBAURA ELECTRIC CO (5)· patent assignee history
1977–1979Based in Yokohama, JP· patent location history
1978Patents assigned to NIPPON TELEGRAPH & TELEPHONE (1)· patent assignee history
1980–1996Based in Sagamihara, JP· patent location history
1989–1996Patents assigned to TOSHIBA KK (4)· patent assignee history
2002Patents assigned to SUNSEI CO LTD (1)· patent assignee history
2002Patents assigned to YAZAKI CORP (1)· patent assignee history
2002Based in Shizuoka, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TOKYO SHIBAURA ELECTRIC CO51977–1983
TOSHIBA KK41989–1996
NIPPON TELEGRAPH & TELEPHONE11978
SUNSEI CO LTD12002
YAZAKI CORP12002
Locations
LocationPatentsSpan
Sagamihara, JP71980–1996
Yokohama, JP31977–1979
Shizuoka, JP12002