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Inventor

Taisei Sugiyama

Inventor
Nakai-machi, JP

Overview

2→
Patents
1989–2021
Patent span
Physics
Primary field (CPC G)

Patents· 2 as inventor

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

G10Dprimary
G10DStringed musical instruments33%
G10LSpeech analysis techniques or speech synthesis33%
H04MTelephonic communication33%
PatentTitleYear
10,924,611Voice recognition system and call evaluation setting method20214,850,258'Snare drum head with odd number of attachment bolts'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989Patents assigned to HOSHINO GAKKI CO LTD (1)· patent assignee history
1989Based in Shizuoka, JP· patent location history
2021Patents assigned to HITACHI INFORMATION & TELECOMMUNICATION ENG LTD (1)· patent assignee history
2021Based in Nakai-machi, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI INFORMATION & TELECOMMUNICATION ENG LTD12021
HOSHINO GAKKI CO LTD11989
Locations
LocationPatentsSpan
Nakai-machi, JP12021
Shizuoka, JP11989