Takashi Igawa
11Patents
6h-index
15Co-inventors
59Inventor score
Filing activity: Jun 13, 1986 → Aug 23, 2002
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7014719B2 | Austenitic stainless steel excellent in fine blankability | Chemistry; Metallurgy | 43 | Expired |
| US5624504A | Duplex structure stainless steel having high strength and elongation and a process for producing the steel | Chemistry; Metallurgy | 29 | Expired |
| US4878955A | Process for preparing a high strength stainless steel having excellent workability and free form weld softening | Chemistry; Metallurgy | 13 | Expired |
| US5458156A | Stainless steel multifold pipe | Emerging Cross-Sectional Technologies | 7 | Expired |
| US5265919A | Pipe joint made of stainless steel and method of making the same | Emerging Cross-Sectional Technologies | 6 | Expired |
| US4762575A | Process for producing electrical steel sheet | Chemistry; Metallurgy | 6 | Expired |
| US5171384A | Process for producing high strength stainless steel strip excellent in shape | Chemistry; Metallurgy | 6 | Expired |
| US5269856A | Process for producing high strength endless steel belt having a duplex structure of austenite and martesite | Chemistry; Metallurgy | 5 | Expired |
| US5304259A | Chromium containing high strength steel sheet excellent in corrosion resistance and workability | Chemistry; Metallurgy | 4 | Expired |
| US5178687A | Chromium containing steel sheet excellent in corrosion resistance and workability | Chemistry; Metallurgy | 2 | Expired |
| US5198041A | Shape memory stainless steel excellent in stress corrosion cracking resistance and method thereof | Chemistry; Metallurgy | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.