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Inventor

Yuko Tsuya

Inventor
Tokyo, JP

Overview

4→
Patents
1976–1998
Patent span
Chemistry
Primary field (CPC C)

Patents· 4 as inventor

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

C04Bprimary
C04BLime, magnesia33%
B22FWorking metallic powder17%
C22CAlloys17%
F16CShafts17%
F16DCouplings for transmitting rotation17%
PatentTitleYear
5,714,700'High strength self-lubricating composite material for high temperature and production method of the same'19984,808,557'Sintered titanium carbo-nitride ceramics'19894,492,764'Sintered ceramic body containing titanium carbonitride'19853,956,146'Self-lubricating wear-resistant composite materials'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1985Patents assigned to AGENCY IND SCIENCE TECHN (2)· patent assignee history
1976–1985Based in Tokyo, JP· patent location history
1989Patents assigned to DIRECTOR OF INST ITARU TODOROK (1)· patent assignee history
1989Patents assigned to TOKYO KOKYU ROZAI CO LTD (1)· patent assignee history
1989Based in Ibaragi, JP· patent location history
1998Patents assigned to NIPPON STEEL CORP (1)· patent assignee history
1998Based in Kawasaki, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
AGENCY IND SCIENCE TECHN21976–1985
DIRECTOR OF INST ITARU TODOROK11989
NIPPON STEEL CORP11998
TOKYO KOKYU ROZAI CO LTD11989
Locations
LocationPatentsSpan
Tokyo, JP21976–1985
Kawasaki, JP11998
Ibaragi, JP11989