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Inventor

Hirohiko Kakuyama

Inventor
Tokushima, JP

Overview

1→
Patents
2009
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 1 as inventor

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

B63Hprimary
B63HMarine propulsion or steering33%
F16CShafts33%
F16JPistons33%
PatentTitleYear
7,530,870'Drive shaft sealing device for small watercraft'2009

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2009Patents assigned to YAMAHA MOTOR CO LTD (1)· patent assignee history
2009Based in Tokushima, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
YAMAHA MOTOR CO LTD12009
Locations
LocationPatentsSpan
Tokushima, JP12009