Inventor

Sumio Fujita

Inventor
Tokyo, JP

Overview

5→
Patents
1984–2021
Patent span
Physics
Primary field (CPC G)

Patents· 5 as inventor

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

G10Lprimary
G10LSpeech analysis techniques or speech synthesis18%
A63BApparatus for physical training, gymnastics, swimming, climbing, or fencing9%
B60RVehicles, vehicle fittings, or vehicle parts, not otherwise provided for9%
B60TVehicle brake control systems or parts thereof9%
B60WConjoint control of vehicle sub-units of different type or different function9%
G01SRadio direction-finding9%
G06FElectric digital data processing9%
G06VImage or video recognition or understanding9%
G08GTraffic control systems9%
H04QSelecting9%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1984–1985Patents assigned to SEIKO INSTR & ELECTRONICS (2)· patent assignee history
1984–2018Based in Tokyo, JP· patent location history
2001Patents assigned to DU PONT (1)· patent assignee history
2001Based in Ichihara, JP· patent location history
2018Patents assigned to YAHOO JAPAN CORP (1)· patent assignee history
2021Patents assigned to NISSAN MOTOR (1)· patent assignee history
2021Based in Kanagawa, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SEIKO INSTR & ELECTRONICS21984–1985
DU PONT12001
NISSAN MOTOR12021
YAHOO JAPAN CORP12018
Locations
LocationPatentsSpan
Tokyo, JP31984–2018
Kanagawa, JP12021
Ichihara, JP12001