LexDanaLexDanabeta
Inventor

Tsuyoshi Ohsaki

Inventor
Narashino, JP

Overview

3→
Patents
1981–1988
Patent span
Performing operations
Primary field (CPC B)

Patents· 3 as inventor

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

B22Fprimary
B22FWorking metallic powder20%
C22CAlloys20%
Y10TTechnical subjects covered by former us classification20%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form10%
F02FCylinders, pistons or casings, for combustion engines10%
F16CShafts10%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests10%
PatentTitleYear
4,789,607'Aluminum bearing alloy and two-layer bearing material having bearing layer of aluminum bearing alloy therein'19884,552,719'Method of sintering stainless steel powder'19854,283,465'Porous body of aluminum or its alloy and a manufacturing method thereof'1981

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1981–1988Patents assigned to NIPPON DIA CLEVITE CO (2)· patent assignee history
1981–1985Based in Narashino, JP· patent location history
1985Patents assigned to N D C CO LTD (1)· patent assignee history
1988Based in Chiba, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NIPPON DIA CLEVITE CO21981–1988
N D C CO LTD11985
Locations
LocationPatentsSpan
Narashino, JP21981–1985
Chiba, JP11988