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Inventor

ETSUYOSHI WATARAI

Inventor
JP

Overview

1→
Patents
2021
Patent span
Performing operations
Primary field (CPC B)

Patents· 1 as inventor

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

B21Kprimary
B21KMaking forged or pressed metal products, e.g. horse-shoes, rivets, bolts or wheels33%
B62MRider propulsion of wheeled vehicles or sledges33%
F16HGearing33%
PatentTitleYear
11,203,395Bicycle sprocket and bicycle sprocket assembly2021

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2021Patents assigned to SHIMANO KK (1)· patent assignee history
2021Based in JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SHIMANO KK12021
Locations
LocationPatentsSpan
JP12021