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Inventor

Katumi Watanabe

Inventor
Yokohama, JP

Overview

3→
Patents
1983–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 3 as inventor

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

B63Bprimary
B63BShips or other waterborne vessels17%
B63HMarine propulsion or steering17%
H01HElectric switches17%
H01LSemiconductor devices17%
H04NPictorial communication, e.g. television17%
H10FInorganic semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation17%
PatentTitleYear
11,064,140Solid-state image pickup device having buffers connected to gates of transistors with first gate insulating film thicker than second gate insulating film20214,708,671'Watercraft with thrust-reversing device'19874,367,510'Remote control switch device'1983

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1983Patents assigned to FUJI ELECTRIC CO LTD (1)· patent assignee history
1983Based in Otawara, JP· patent location history
1987Patents assigned to KAWASAKI HEAVY IND LTD (1)· patent assignee history
1987Based in Akashi, JP· patent location history
2021Patents assigned to CANON KK (1)· patent assignee history
2021Based in Yokohama, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CANON KK12021
FUJI ELECTRIC CO LTD11983
KAWASAKI HEAVY IND LTD11987
Locations
LocationPatentsSpan
Yokohama, JP12021
Akashi, JP11987
Otawara, JP11983