Inventor
Akira Oyamada
Inventor
Yokohama, JP
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F28Dprimary
F28DHeat-exchange apparatus, not provided for in another subclass, in which the heat-exchange media do not come into direct contact14%
Y10TTechnical subjects covered by former us classification10%
B01FMixing, e.g. dissolving, emulsifying or dispersing5%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry5%
B22CFoundry moulding5%
B22FWorking metallic powder5%
B23KSoldering or unsoldering5%
B28BShaping clay or other ceramic compositions5%
C04BLime, magnesia5%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients5%
PatentTitleYear
4,875,444'Swirl chamber for diesel engines and the like'19894,396,571'Method of preparing resin coated foundry sand using unsaturated polyester'19834,353,854'Method of producing large-sized ceramic honeycomb structure body by integration of small unit blocks'19824,150,916'Axial flow inducers for hydraulic devices'19794,107,392'High temperature abrasion-resistant material and method of producing same'19784,095,005'Method of producing low wear coating reinforced with brazing solder for use as rubbing seal'19784,093,243'Rubbing contact seal member with low wear coating and metal-containing undercoat'1978Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1978–1989Patents assigned to NISSAN MOTOR (6)· patent assignee history
1978Based in Yokohama, JP· patent location history
1979Patents assigned to NIKKISO CO LTD (1)· patent assignee history
1979Based in Tokyo, JP· patent location history
1982–1983Based in Yokosuka, JP· patent location history
1989Based in Yono, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NISSAN MOTOR | 6 | 1978–1989 |
| NIKKISO CO LTD | 1 | 1979 |
Locations
| Location | Patents | Span |
|---|---|---|
| Yokohama, JP | 3 | 1978 |
| Yokosuka, JP | 2 | 1982–1983 |
| Yono, JP | 1 | 1989 |
| Tokyo, JP | 1 | 1979 |