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Inventor

Kikuo Okamura

Inventor
Kyoto, JP

Overview

6→
Patents
1980–2020
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 6 as inventor

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

F16Hprimary
F16HGearing75%
B62MRider propulsion of wheeled vehicles or sledges13%
H02KDynamo-electric machines13%
PatentTitleYear
10,862,369Power unit and motor unit for wave gear speed reducer202010,480,626Continuously variable transmission and bicycle201910,145,455Friction-type continuously variable transmission20184,968,290'Stepless speed change traction gear'19904,751,854'Assembly for constituting a stepless speed change gear of friction-drive type'19884,232,561'Stepless speed change gear'1980

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1980–1990Patents assigned to SHINPO INDUSTRIAL CO LTD (3)· patent assignee history
1980Based in Koto-ku, JP· patent location history
1988–2020Based in Kyoto, JP· patent location history
2018–2020Patents assigned to NIDEC SHIMPO CORP (3)· patent assignee history
2018–2019Based in Nagaokakyo, JP· patent location history
2020Patents assigned to NIDEC CORP (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NIDEC SHIMPO CORP32018–2020
SHINPO INDUSTRIAL CO LTD31980–1990
NIDEC CORP12020
Locations
LocationPatentsSpan
Kyoto, JP31988–2020
Nagaokakyo, JP22018–2019
Koto-ku, JP11980