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Inventor

Kenzo Watanabe

Inventor
Tokyo, JP

Overview

15→
Patents
1977–2021
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 15 as inventor

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

F01Lprimary
F01LCyclically operating valves for machines or engines12%
B27LRemoving bark or vestiges of branches9%
H04NPictorial communication, e.g. television9%
A47LDomestic washing or cleaning6%
F25DRefrigerators6%
G05DSystems for controlling or regulating non-electric variables6%
Y02TClimate change mitigation technologies related to transportation6%
Y10TTechnical subjects covered by former us classification6%
B25JManipulators3%
B27BSaws for wood or similar material3%
PatentTitleYear
11,006,802Vacuum cleaner202110,951,863Refrigerator, camera device, refrigerator door pocket, and home appliance network system202110,932,635Vacuum cleaner202110,917,616Imaging system and imaging device20219,976,314Method for manufacturing concrete structure, concrete curing sheet for curing concrete20186,886,356'Car air-conditioning system'20056,648,036'Veneer lathe'20035,971,045'Veneer lathe'19995,743,156'Vehicle power unit structure'19985,398,502'System for controlling a valve mechanism for an internal combustion engine'19955,251,586'Valve mechanism for an internal combustion engine'19935,020,488'Valve mechanism for an internal combustion engine'19915,005,540'Valve timing control system for an internal combustion engine'19914,765,380'Drive roller assembly of veneer lathe for rotating log and veneer lathe'19884,055,963'Heating system'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977Patents assigned to DAIKIN IND LTD (1)· patent assignee history
1988–2003Patents assigned to MEINAN MACHINERY WORKS (3)· patent assignee history
1988–2003Based in Ohbu, JP· patent location history
1991–2005Patents assigned to FUJI HEAVY IND LTD (6)· patent assignee history
1991–2021Based in Tokyo, JP· patent location history
1991–1995Based in Fuchu, JP· patent location history
1999Based in Aichi, JP· patent location history
2018Patents assigned to KAJIMA CORP (1)· patent assignee history
2021Patents assigned to TOSHIBA LIFESTYLE PRODUCTS & SERVICES CORP (4)· patent assignee history
2021Based in Seto, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
FUJI HEAVY IND LTD61991–2005
TOSHIBA LIFESTYLE PRODUCTS & SERVICES CORP42021
MEINAN MACHINERY WORKS31988–2003
DAIKIN IND LTD11977
KAJIMA CORP12018
Locations
LocationPatentsSpan
Tokyo, JP71991–2021
Seto, JP22021
Ohbu, JP21988–2003
Fuchu, JP21991–1995
Aichi, JP11999