Tomoko Sugimura
15Patents
2h-index
21Co-inventors
50Inventor score
Filing activity: Nov 26, 2004 → May 17, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7608130B2 | Method for producing high cleanliness steel excellent in fatigue strength or cold workability | Emerging Cross-Sectional Technologies | 4 | Expired |
| US7429301B2 | Ultra clean spring steel | Emerging Cross-Sectional Technologies | 3 | Active |
| US7666350B2 | Low carbon composite free-cutting steel product excellent in roughness of finished surface and method for production thereof | Chemistry; Metallurgy | 2 | Expired |
| US9441695B2 | High cleanliness spring steel and high cleanliness spring excellent in fatigue properties | Chemistry; Metallurgy | 2 | Active |
| US7615099B2 | Method for producing high cleanness steel excellent in fatigue strength or cold workability | Emerging Cross-Sectional Technologies | 1 | Active |
| US11691227B2 | Solid wire for electroslag welding, and welding joint | Emerging Cross-Sectional Technologies | 0 | Active |
| US11577346B2 | Wire for electroslag welding, flux for electroslag welding and welded joint | Chemistry; Metallurgy | 0 | Active |
| US9394593B2 | Bearing steel material with excellent rolling contact fatigue properties and a bearing part | Chemistry; Metallurgy | 0 | Active |
| US8187530B2 | Steel for high-cleanliness spring with excellent fatigue characteristics and high-cleanliness spring | Emerging Cross-Sectional Technologies | 0 | Active |
| US8900381B2 | Spring steel and spring superior in fatigue properties | Chemistry; Metallurgy | 0 | Active |
| US9725779B2 | Si-killed steel wire rod and spring | Chemistry; Metallurgy | 0 | Active |
| US9062361B2 | Si-killed steel wire rod and spring excellent in fatigue properties | Chemistry; Metallurgy | 0 | Active |
| US9359661B2 | Bearing steel material with excellent rolling fatigue property and bearing part | Chemistry; Metallurgy | 0 | Active |
| US8613809B2 | High cleanliness spring steel and high cleanliness spring excellent in fatigue properties | Chemistry; Metallurgy | 0 | Active |
| US9290822B2 | Si-killed steel wire rod and spring | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.