Hisashi Naoi
8Patents
6h-index
15Co-inventors
52Inventor score
Filing activity: Apr 28, 1992 → Oct 11, 1996
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5650024A | Martensitic heat-resisting steel excellent in HAZ-softening resistance and process for producing the same | Chemistry; Metallurgy | 21 | Expired |
| US5772956A | High strength, ferritic heat-resistant steel having improved resistance to intermetallic compound precipitation-induced embrittlement | Chemistry; Metallurgy | 16 | Expired |
| US5759300A | Liquid-phase diffusion bonding alloy foils for joining heat-resistant metals in oxidizing atmospheres | Emerging Cross-Sectional Technologies | 12 | Expired |
| US5339868A | Bent pipe having sectional form of high strength | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US5766376A | High-strength ferritic heat-resistant steel and method of producing the same | Mechanical Engineering; Lighting; Heating | 7 | Expired |
| US5683822A | Liquid-phase diffusion bonding alloy foils for joining heat-resistant metals in oxidizing atmospheres | Emerging Cross-Sectional Technologies | 7 | Expired |
| US5254307A | High-nitrogen ferritic heat-resisting steel with high niobium content and method of production thereof | Chemistry; Metallurgy | 3 | Expired |
| US5268142A | High-nitrogen ferritic heat-resisting steel with high vanadium content and method of production thereof | Chemistry; Metallurgy | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.