Inventor
Hirotake Usui
Inventor
Tokyo, JP
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B22Dprimary
B22DCasting of metals42%
F02FCylinders, pistons or casings, for combustion engines25%
B22CFoundry moulding8%
C04BLime, magnesia8%
C22CAlloys8%
F05CIndexing scheme relating to materials, material properties or material characteristics for machines, engines or pumps other than non-positive-displacement machines or engines8%
PatentTitleYear
5,727,511'Cylinder liner and cylinder block and method for producing the cylinder liner and the cylinder block'19985,720,334'Casting device for producing closed deck type cylinder block and sand core used in the device'19985,700,422'Molten metal supply device'19975,361,826'Laminar flow injection molding apparatus and laminar flow injection molding method'19945,323,840'Metal mold arrangement for casting water-cooled type cylinder block in horizontal type casting machine'1994Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1994–1998Patents assigned to RYOBI LTD (5)· patent assignee history
1994–1997Based in Tokyo, JP· patent location history
1998Patents assigned to MITSUBISHI MOTORS CORP (1)· patent assignee history
1998Based in Chiyoda-ku, JP· patent location history
1998Based in Fuchu, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| RYOBI LTD | 5 | 1994–1998 |
| MITSUBISHI MOTORS CORP | 1 | 1998 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 3 | 1994–1997 |
| Chiyoda-ku, JP | 1 | 1998 |
| Fuchu, JP | 1 | 1998 |