OSAKA TITANIUM
19Patents
0Active
19Granted
35Portfolio score
Filing activity: Jul 15, 1983 → Jun 26, 1992
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4986215A | Susceptor for vapor-phase growth system | Chemistry; Metallurgy | 556 | Expired |
| US4925809A | Semiconductor wafer and epitaxial growth on the semiconductor wafer with autodoping control and manufacturing method therefor | Emerging Cross-Sectional Technologies | 38 | Expired |
| US4562338A | Heating power supply apparatus for polycrystalline semiconductor rods | Electricity | 36 | Expired |
| US4959603A | Solar battery equipment | Emerging Cross-Sectional Technologies | 35 | Expired |
| US5037503A | Method for growing silicon single crystal | Chemistry; Metallurgy | 34 | Expired |
| US5077028A | Manufacturing high purity/low chlorine content silicon by feeding chlorosilane into a fluidized bed of silicon particles | Chemistry; Metallurgy | 27 | Expired |
| US5211802A | Method for producing silicon single crystal from polycrystalline rod formed by continous casting | Emerging Cross-Sectional Technologies | 25 | Expired |
| US5089094A | Process for the electrolytic production of magnesium | Chemistry; Metallurgy | 24 | Expired |
| US4915723A | Apparatus for casting silicon with gradual cooling | Chemistry; Metallurgy | 19 | Expired |
| US5260037A | Apparatus for producing silicon single crystal | Emerging Cross-Sectional Technologies | 12 | Expired |
| US5152867A | Apparatus and method for producing silicon single crystal | Emerging Cross-Sectional Technologies | 12 | Expired |
| US5223077A | Method of manufacturing single-crystal silicon | Emerging Cross-Sectional Technologies | 10 | Expired |
| US5204031A | Powder of oxide for dielectric ceramics and a process for producing dielectric ceramics | Chemistry; Metallurgy | 10 | Expired |
| US5225235A | Semiconductor wafer and manufacturing method therefor | Emerging Cross-Sectional Technologies | 8 | Expired |
| US5051375A | Method of producing semiconductor wafer through gettering using spherical abrasives | Emerging Cross-Sectional Technologies | 7 | Expired |
| US5041308A | Method of coating silicon particles | Performing Operations; Transporting | 7 | Expired |
| US5108490A | Method of refining high purity titanium | Chemistry; Metallurgy | 7 | Expired |
| US4613489A | Process for the disproportionation of chlorosilanes | Chemistry; Metallurgy | 3 | Expired |
| US5392729A | Method of producing silicon single crystal | Emerging Cross-Sectional Technologies | 3 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.