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Inventor

Yoshifumi Nagata

Inventor
Kanagawa, JP

Overview

7→
Patents
1994–2000
Patent span
Physics
Primary field (CPC G)

Patents· 7 as inventor

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

G10Lprimary
G10LSpeech analysis techniques or speech synthesis50%
G06FElectric digital data processing25%
G01SRadio direction-finding8%
H04MTelephonic communication8%
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers8%
PatentTitleYear
6,157,403'Apparatus for detecting position of object capable of simultaneously detecting plural objects and detection method therefor'20006,032,115'Apparatus and method for correcting the difference in frequency characteristics between microphones for analyzing speech and for creating a recognition dictionary'20006,009,396'Method and system for microphone array input type speech recognition using band-pass power distribution for sound source position/direction estimation'19995,632,002'Speech recognition interface system suitable for window systems and speech mail systems'19975,577,165'Speech dialogue system for facilitating improved human-computer interaction'19965,548,681'Speech dialogue system for realizing improved communication between user and system'19965,357,596'Speech dialogue system for facilitating improved human-computer interaction'1994

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1994–2000Patents assigned to TOSHIBA KK (7)· patent assignee history
1994–1996Patents assigned to TOSHIBA SOFTWARE ENGINEERING C (2)· patent assignee history
1994–1997Based in Kanagawa, JP· patent location history
1999–2000Based in Hyogo, JP· patent location history
2000Based in Kobe, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TOSHIBA KK71994–2000
TOSHIBA SOFTWARE ENGINEERING C21994–1996
Locations
LocationPatentsSpan
Kanagawa, JP41994–1997
Hyogo, JP21999–2000
Kobe, JP12000