Soya Takagi
14Patents
9h-index
21Co-inventors
68Inventor score
Filing activity: Sep 30, 1985 → Nov 7, 1996
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5718279A | Method for laminate forming a sand mould and a method for producing a casting using the same | Emerging Cross-Sectional Technologies | 49 | Expired |
| US4832982A | Laser process for forming dispersion alloy layer from powder on metallic base | Emerging Cross-Sectional Technologies | 34 | Expired |
| US5004581A | Dispersion strengthened copper-base alloy for overlay | Mechanical Engineering; Lighting; Heating | 32 | Expired |
| US4723518A | Aluminum alloy cylinder head with valve seat formed integrally by copper alloy cladding layer and underlying alloy layer | Mechanical Engineering; Lighting; Heating | 32 | Expired |
| US4818307A | Dispersion strengthened copper-base alloy | Emerging Cross-Sectional Technologies | 28 | Expired |
| US4746540A | Method for forming alloy layer upon aluminum alloy substrate by irradiating with a CO.sub.2 laser, on substrate surface, alloy powder containing substance for alloying and silicon or bismuth | Performing Operations; Transporting | 20 | Expired |
| US4787736A | Laser clad valve for internal combustion engine | Emerging Cross-Sectional Technologies | 18 | Expired |
| US5084113A | Method of producing a buildup valve for use in internal combustion engines | Emerging Cross-Sectional Technologies | 15 | Expired |
| US5230756A | Method of forming weld bead of pure copper on ferroalloy base material | Performing Operations; Transporting | 9 | Expired |
| US5104748A | Wear resisting copper base alloy | Emerging Cross-Sectional Technologies | 9 | Expired |
| US5172261A | Oscillatory mirror device with two exciting means | Physics | 8 | Expired |
| US5314036A | Steering angle sensor | Physics | 6 | Expired |
| US5082625A | Corrosion-resistant alloy for build-up welding | Mechanical Engineering; Lighting; Heating | 6 | Expired |
| US4658111A | Method for hardening a surface of a cam provided on a camshaft | Emerging Cross-Sectional Technologies | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.