Tsuneo Maruyama
34Patents
4h-index
25Co-inventors
63Inventor score
Filing activity: Jan 18, 1980 → Jun 6, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4269757A | Siloxane compositions which form ceramics at high temperatures | Emerging Cross-Sectional Technologies | 29 | Expired |
| US4269753A | Siloxane compositions which can be ceramified at high temperatures | Chemistry; Metallurgy | 16 | Expired |
| US8360648B2 | Oil-impregnated sintered bearing and method of producing the same | Emerging Cross-Sectional Technologies | 7 | Active |
| US8999232B2 | Sintered bearing for motor-powered fuel injection pumps | Mechanical Engineering; Lighting; Heating | 5 | Active |
| US6524365B1 | Bearing made of graphite-dispersed copper-based sintered alloy and motorized fuel pump using this bearing | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US4268452A | Noncurable sealing materials | Chemistry; Metallurgy | 4 | Expired |
| US8167971B2 | Sliding part and method of manufacturing the same | Mechanical Engineering; Lighting; Heating | 3 | Active |
| US7361203B2 | Sliding component and method for manufacturing the same | Emerging Cross-Sectional Technologies | 3 | Expired |
| US8057101B2 | Oil impregnated sintered bearing and manufacturing method thereof | Emerging Cross-Sectional Technologies | 3 | Active |
| US8449815B2 | Oil-impregnated sintered bearing and manufacturing method thereof | Emerging Cross-Sectional Technologies | 2 | Active |
| US6599018B2 | Oil-impregnant sintered bearing and manufacturing method thereof, and motor | Emerging Cross-Sectional Technologies | 2 | Expired |
| US8092091B2 | Bearing made of sintered copper alloy for a recirculation exhaust gas flow rate control valve | Emerging Cross-Sectional Technologies | 1 | Active |
| US8726515B2 | Oil-impregnated sintered bearing and method of producing the same | Emerging Cross-Sectional Technologies | 1 | Active |
| US5074968A | Method and apparatus for stripping starting sheet | Electricity | 1 | Expired |
| US11446737B2 | Molding die and molding method | Performing Operations; Transporting | 1 | Active |
| US7677127B2 | Rotation transmission member, rotation transmission assembly, and gear mechanism | Emerging Cross-Sectional Technologies | 1 | Active |
| US7763363B2 | Bearing for motorized fuel pump | Emerging Cross-Sectional Technologies | 1 | Active |
| US11999088B2 | Insert sintered part and manufacturing method for same | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US11648611B2 | Sintered oil-impregnated bearing | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US9017599B2 | Sliding part and method of manufacturing the same | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US12296390B2 | Insert bearing and manufacturing method thereof, sintered bearing suitable for insert bearing, sintered insert component and manufacturing method thereof, and sintered component suitable for sintered insert component | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US11073178B2 | Oil-impregnated sintered bearing and method for manufacturing the same | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US11248654B2 | Oil impregnated sintered bearing and production method thereof | Emerging Cross-Sectional Technologies | 0 | Active |
| US11498127B2 | Device and method for manufacturing multilayer molded article | Performing Operations; Transporting | 0 | Active |
| US10745780B2 | Cu-based sintered bearing and production method for Cu-based sintered bearing | Mechanical Engineering; Lighting; Heating | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.