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Inventor

Yoshio Huwa

Inventor
Toyota, JP

Overview

2→
Patents
1982–1993
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 2 as inventor

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

B23Pprimary
B23PMetal-working not otherwise provided for20%
C04BLime, magnesia20%
F16DCouplings for transmitting rotation20%
F16JPistons20%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests20%
PatentTitleYear
5,202,293'Carbon fiber reinforced carbon'19934,323,257'Piston ring with a Cr-C-Fe inlaid ring in its outer surface, and a method of making it'1982

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1982–1993Patents assigned to TOYOTA MOTOR CO LTD (2)· patent assignee history
1982–1993Based in Toyota, JP· patent location history
1993Patents assigned to OSAKA GAS CO LTD (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TOYOTA MOTOR CO LTD21982–1993
OSAKA GAS CO LTD11993
Locations
LocationPatentsSpan
Toyota, JP21982–1993