Takatoshi Okabe
33Patents
4h-index
54Co-inventors
66Inventor score
Filing activity: Aug 7, 1997 → Dec 16, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6331216A | Steel pipe having high ductility and high strength and process for production thereof | Chemistry; Metallurgy | 25 | Expired |
| US6749954B2 | Welded steel pipe having excellent hydroformability and method for making the same | Emerging Cross-Sectional Technologies | 17 | Expired |
| US6290789A | Ultrafine-grain steel pipe and process for manufacturing the same | Chemistry; Metallurgy | 11 | Expired |
| US7236255B2 | Method and instrument for measuring bead cutting shape of electric welded tube | Physics | 10 | Expired |
| US6736910B2 | High carbon steel pipe excellent in cold formability and high frequency hardenability and method for producing the same | Emerging Cross-Sectional Technologies | 4 | Expired |
| US6755919B2 | Stainless steel tube for automobile structure | Chemistry; Metallurgy | 3 | Expired |
| US5837956A | Method of fabricating high strength and high toughness large-diameter welded steel pipe | Performing Operations; Transporting | 3 | Expired |
| US7018488B2 | Steel pipe for use in reinforcement of automobile and method for production thereof | Chemistry; Metallurgy | 2 | Expired |
| US9000320B2 | Method of manufacturing electric resistance welding pipe having excellent characterization of welded seam | Performing Operations; Transporting | 2 | Active |
| US9841124B2 | High-strength thick-walled electric resistance welded steel pipe having excellent low-temperature toughness and method of manufacturing the same | Emerging Cross-Sectional Technologies | 2 | Active |
| US9873164B2 | Electric resistance welded steel pipe or steel tube having excellent HIC resistance and low-temperature toughness in electric resistance welded part, and method for manufacturing the same | Emerging Cross-Sectional Technologies | 2 | Active |
| US6949728B2 | Impeder for manufacturing welded pipe | Performing Operations; Transporting | 2 | Expired |
| US11945020B2 | Metal pipe and method for manufacturing metal pipe | Performing Operations; Transporting | 1 | Active |
| US6723453B2 | Welded steel pipe having excellent hydroformability and method for making the same | Emerging Cross-Sectional Technologies | 1 | Expired |
| US10844993B2 | Electric-resistance-welded stainless clad steel pipe or tube | Emerging Cross-Sectional Technologies | 1 | Active |
| US7471400B2 | Measurement method and device for bead cutting shape in electric resistance welded pipes | Physics | 1 | Active |
| US10724670B2 | Method of producing electric-resistance-welded stainless clad steel pipe or tube | Emerging Cross-Sectional Technologies | 1 | Active |
| US11053564B2 | High strength thick-walled electric-resistance-welded steel pipe for deep-well conductor casing, method for manufacturing the same, and high-strength thick-walled conductor casing for deep wells | Chemistry; Metallurgy | 1 | Active |
| US11079045B2 | Electric resistance welded clad steel pipe or tube and method of producing same | Performing Operations; Transporting | 1 | Active |
| US10385417B2 | Heavy wall electric resistance welded steel pipe for line pipe and method for manufacturing the same | Emerging Cross-Sectional Technologies | 0 | Active |
| US8328957B2 | Electric resistance welded steel pipe with excellent weld toughness for line pipe | Chemistry; Metallurgy | 0 | Active |
| US12383989B2 | TIG welding filler metal and method for producing weld joint using the same | Performing Operations; Transporting | 0 | Active |
| US7591914B2 | High-workability steel pipe and method of producing same | Chemistry; Metallurgy | 0 | Expired |
| US8912462B2 | Method of manufacturing electric resistance welding pipes having excellent characterization of welded seams | Performing Operations; Transporting | 0 | Active |
| US6682829B2 | Welded steel pipe having excellent hydroformability and method for making the same | Emerging Cross-Sectional Technologies | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.