Kunikazu Tomita
20Patents
5h-index
58Co-inventors
72Inventor score
Filing activity: Oct 12, 1989 → Dec 1, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5968661A | Steel sheet for heat-shrink band | Emerging Cross-Sectional Technologies | 34 | Expired |
| US6440584B1 | Hot-dip galvanized steel sheet and method for producing the same | Emerging Cross-Sectional Technologies | 18 | Expired |
| US6666932B2 | High strength hot rolled steel sheet | Emerging Cross-Sectional Technologies | 14 | Expired |
| US5009726A | Method of making non-oriented silicon steel sheets having excellent magnetic properties | Chemistry; Metallurgy | 11 | Expired |
| US6416594B1 | Heat shrink band steel sheet and manufacturing method thereof | Chemistry; Metallurgy | 6 | Expired |
| US5169457A | Method of making non-oriented electrical steel sheets | Chemistry; Metallurgy | 4 | Expired |
| US5108522A | Method of making non-oriented electrical steel sheets having excellent magnetic properties under low magnetic field | Chemistry; Metallurgy | 3 | Expired |
| US5061321A | Pickling method for electrical steel bands | Chemistry; Metallurgy | 3 | Expired |
| US5164024A | Method of making non-oriented electrical steel sheets having excellent magnetic properties | Chemistry; Metallurgy | 3 | Expired |
| US8118953B2 | Method for producing steel part having long rolling contact fatigue life | Emerging Cross-Sectional Technologies | 2 | Active |
| US5074930A | Method of making non-oriented electrical steel sheets | Chemistry; Metallurgy | 2 | Expired |
| US5062906A | Method of making non-oriented electrical steel sheets | Chemistry; Metallurgy | 2 | Expired |
| US10125416B2 | Steel for nitrocarburizing and nitrocarburized component, and methods for producing said steel for nitrocarburizing and said nitrocarburized component | Chemistry; Metallurgy | 2 | Active |
| US5116436A | Method of making non-oriented electrical steel sheets having excellent magnetic properties | Chemistry; Metallurgy | 1 | Expired |
| US11174543B2 | Case hardening steel, method of producing case hardening steel, and method of producing gear part | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US8691141B2 | Low carbon resulfurized free cutting steel | Chemistry; Metallurgy | 0 | Active |
| US6554917B1 | Steel sheet for heat shrink band effective for preventing color drift | Electricity | 0 | Expired |
| US11702716B2 | Case hardening steel | Chemistry; Metallurgy | 0 | Active |
| US11959177B2 | Steel for nitrocarburizing and nitrocarburized component, and methods of producing same | Chemistry; Metallurgy | 0 | Active |
| US8206521B2 | High-strength stabilizer steel for vehicles having excellent corrosion resistance and low-temperature toughness, method of producing the same, and stabilizer | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.