Shigeru Umino
11Patents
6h-index
27Co-inventors
62Inventor score
Filing activity: Jun 6, 1985 → Jan 30, 2004
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4702802A | Method for making high corrosion resistance composite plated steel strip | Emerging Cross-Sectional Technologies | 31 | Expired |
| US5147730A | Steel plate with organic coating having improved corrosion resistance | Emerging Cross-Sectional Technologies | 22 | Expired |
| US5447802A | Surface treated steel strip with minimal plating defects and method for making | Emerging Cross-Sectional Technologies | 19 | Expired |
| US6514357B1 | Composition for metal surface treatment and surface treated metallic material | Chemistry; Metallurgy | 18 | Expired |
| US4650724A | High corrosion resistance composite plated steel strip | Emerging Cross-Sectional Technologies | 11 | Expired |
| US6398884B1 | Methods of producing steel plate, hot-dip steel plate and alloyed hot-dip steel plate | Chemistry; Metallurgy | 10 | Expired |
| US6878462B1 | Surface treated zinc-based metal plated steel sheet | Emerging Cross-Sectional Technologies | 6 | Expired |
| US7186467B2 | Black zinc-plated steel sheet | Emerging Cross-Sectional Technologies | 5 | Expired |
| US5147729A | Steel plate with organic coating having improved corrosion resistance in as-worked state | Emerging Cross-Sectional Technologies | 5 | Expired |
| US6548460B1 | Coating composition and lubricated metal sheets | Chemistry; Metallurgy | 2 | Expired |
| US5882803A | High-strength hot dip galvannealed steel sheets having excellent plating properties and method of producing the same | Emerging Cross-Sectional Technologies | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.