Inventor
Souichi Hayashi
Inventor
Nagoya, JP
Overview
Patents· 3 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
Y10Tprimary
Y10TTechnical subjects covered by former us classification22%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form11%
C23CCoating metallic material11%
F01LCyclically operating valves for machines or engines11%
F02BInternal-combustion piston engines11%
F02FCylinders, pistons or casings, for combustion engines11%
F05CIndexing scheme relating to materials, material properties or material characteristics for machines, engines or pumps other than non-positive-displacement machines or engines11%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests11%
PatentTitleYear
5,429,881'Surface treated aluminum or aluminum alloy material'19954,909,198'Aluminum alloy valve lifter with sprayed coating and method of producing same'19904,695,329'Method for manufacturing a cylinder head of cast aluminum alloy for internal combustion engines by employing local heat treatment'1987Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1987–1995Patents assigned to TOYOTA MOTOR CO LTD (3)· patent assignee history
1987–1995Based in Nagoya, JP· patent location history
1995Patents assigned to KOBE STEEL LTD (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| TOYOTA MOTOR CO LTD | 3 | 1987–1995 |
| KOBE STEEL LTD | 1 | 1995 |
Locations
| Location | Patents | Span |
|---|---|---|
| Nagoya, JP | 3 | 1987–1995 |