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Inventor

Kiyoshi Tajima

Inventor
Nishio, JP

Overview

2→
Patents
1988–2020
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 2 as inventor

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

C21Dprimary
C21DModifying the physical structure of ferrous metals17%
C23CCoating metallic material17%
F16CShafts17%
F16DCouplings for transmitting rotation17%
F16HGearing17%
G10LSpeech analysis techniques or speech synthesis17%
PatentTitleYear
10,711,879Ring gear and method for manufacturing ring gear20204,720,864'Speech recognition apparatus'1988

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988Patents assigned to SANYO ELECTRIC CO (1)· patent assignee history
1988Based in Hirakata, JP· patent location history
2020Patents assigned to AISIN AW CO (1)· patent assignee history
2020Based in Nishio, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
AISIN AW CO12020
SANYO ELECTRIC CO11988
Locations
LocationPatentsSpan
Nishio, JP12020
Hirakata, JP11988