Inventor
Shin Koizumi
Inventor
Tokyo, JP
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B22Fprimary
B22FWorking metallic powder13%
C22CAlloys13%
Y10TTechnical subjects covered by former us classification13%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form9%
C09JAdhesives9%
F01LCyclically operating valves for machines or engines9%
B23PMetal-working not otherwise provided for4%
B41MPrinting, duplicating, marking, or copying processes4%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds4%
F02BInternal-combustion piston engines4%
PatentTitleYear
8,470,123'Pressure sensitive adhesive for sticking an electromagnetic wave-shielding film and an optically functional film, and a display panel filter element containing same'20136,696,014'Iron-based sintered powder metal body, manufacturing method thereof and manufacturing method of iron-based sintered component with high strength and high density'20046,514,307'Iron-based sintered powder metal body, manufacturing method thereof and manufacturing method of iron-based sintered component with high strength and high density'20036,485,826'Adhesive sheet'20026,454,991'Method of forging raw material for sintering and forging'20026,001,518'Reversible heat-sensitive recording material with high color development and image stabilization capabilities'19995,918,367'Method of producing valve lifter'19995,400,749'Valve lifter of valve mechanism for internal combustion engine'1995Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1995–2003Patents assigned to UNISIA JECS CORP (3)· patent assignee history
1995–2004Based in Atsugi, JP· patent location history
1999–2013Based in Tokyo, JP· patent location history
1999–2003Based in Kanagawa, JP· patent location history
2002–2013Patents assigned to LINTEC CORP (2)· patent assignee history
2003Patents assigned to KAWASAKI STEEL CO (1)· patent assignee history
2004Patents assigned to JFE STEEL CORP (1)· patent assignee history
2013Patents assigned to KASHIO MIKIHIRO (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| UNISIA JECS CORP | 3 | 1995–2003 |
| LINTEC CORP | 2 | 2002–2013 |
| JFE STEEL CORP | 1 | 2004 |
| KASHIO MIKIHIRO | 1 | 2013 |
| KAWASAKI STEEL CO | 1 | 2003 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 3 | 1999–2013 |
| Kanagawa, JP | 3 | 1999–2003 |
| Atsugi, JP | 2 | 1995–2004 |