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Inventor

Tokihiko Hamada

Inventor
Kanagawa, JP

Overview

3→
Patents
1998–2021
Patent span
Chemistry
Primary field (CPC C)

Patents· 3 as inventor

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

G01Sprimary
G01SRadio direction-finding40%
C21DModifying the physical structure of ferrous metals20%
C22CAlloys20%
F16BDevices for fastening or securing constructional elements or machine parts together, e.g. nails, bolts, circlips, clamps, clips or wedges20%
PatentTitleYear
10,913,993Steel for high-strength bolt, and high-strength bolt20217,369,459'Forward-looking sonar and underwater image display system'20085,805,528'Underwater detection system'1998

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1998–2008Patents assigned to FURUNO ELECTRIC CO (2)· patent assignee history
1998Based in Kobe, JP· patent location history
2008Based in Nishinomiya, JP· patent location history
2021Patents assigned to NISSAN MOTOR (1)· patent assignee history
2021Based in Kanagawa, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
FURUNO ELECTRIC CO21998–2008
NISSAN MOTOR12021
Locations
LocationPatentsSpan
Kanagawa, JP12021
Nishinomiya, JP12008
Kobe, JP11998