Hiroaki Masui
13Patents
8h-index
33Co-inventors
72Inventor score
Filing activity: Aug 8, 1974 → Feb 14, 2001
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5512110A | Process for production of grain oriented electrical steel sheet having excellent magnetic properties | Chemistry; Metallurgy | 22 | Expired |
| US5565272A | Grain oriented silicon steel sheet having excellent primary film properties | Emerging Cross-Sectional Technologies | 21 | Expired |
| US5507883A | Grain oriented electrical steel sheet having high magnetic flux density and ultra low iron loss and process for production the same | Chemistry; Metallurgy | 17 | Expired |
| US5961744A | Grain oriented silicon steel sheet having low core loss and method of manufacturing same | Chemistry; Metallurgy | 15 | Expired |
| US3951696A | Method for producing a high-strength cold rolled steel sheet having excellent press-formability | Chemistry; Metallurgy | 14 | Expired |
| US4016740A | Method and an apparatus for the manufacture of a steel sheet | Chemistry; Metallurgy | 9 | Expired |
| US4105474A | Process for producing a high tension steel sheet product having an excellent low-temperature toughness with a yield point of 40 kg/mm.sup.2 or higher | Chemistry; Metallurgy | 9 | Expired |
| US4138278A | Method for producing a steel sheet having remarkably excellent toughness at low temperatures | Emerging Cross-Sectional Technologies | 8 | Expired |
| US5421912A | Method of producing non-oriented electrical steel sheet having good magnetic properties | Chemistry; Metallurgy | 7 | Expired |
| USRE31251E | Process for producing a high tension steel sheet product having an excellent low-temperature toughness with a yield point of 40 kg/mm.sup.2 or higher | General | 3 | Expired |
| US5261972A | Process for producing grain-oriented electrical steel strip having high magnetic flux density | Chemistry; Metallurgy | 3 | Expired |
| US4011106A | Hot-rolled steel sheet of high cold formability and method of producing such steel sheet | Chemistry; Metallurgy | 2 | Expired |
| US6858095B2 | Thick grain-oriented electrical steel sheet exhibiting excellent magnetic properties | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.