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Inventor

Ko Chiba

Inventor
Kashiwazaki, JP

Overview

3→
Patents
1977–1985
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 3 as inventor

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

F16Jprimary
F16JPistons75%
F01CRotary-piston or oscillating-piston machines or engines25%
PatentTitleYear
4,542,907'Corrugated expander for piston ring assembly'19854,429,885'Spacer and expander member for holding and biasing piston ring rails'19844,028,022'Oil seal assembly'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977Patents assigned to NISSAN MOTOR (1)· patent assignee history
1977–1984Based in Kashiwazaki, JP· patent location history
1984–1985Patents assigned to RIKEN KK (2)· patent assignee history
1985Based in Tokorozawa, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
RIKEN KK21984–1985
NISSAN MOTOR11977
Locations
LocationPatentsSpan
Kashiwazaki, JP21977–1984
Tokorozawa, JP11985