Fujimitsu Masuyama
19Patents
8h-index
32Co-inventors
68Inventor score
Filing activity: Oct 10, 1986 → Sep 27, 2002
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4799972A | Process for producing a high strength high-Cr ferritic heat-resistant steel | Mechanical Engineering; Lighting; Heating | 16 | Expired |
| US5746843A | Low Mn-low Cr ferritic heat resistant steel excellent in strength at elevated temperatures | Chemistry; Metallurgy | 13 | Expired |
| US5038035A | Automatic structure analyzing/processing apparatus | Physics | 12 | Expired |
| US5407635A | Low-chromium ferritic heat-resistant steel with improved toughness and creep strength | Chemistry; Metallurgy | 9 | Expired |
| US5945064A | Welding material for low chromium (Cr) ferritic steel having high toughness | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US6919534B2 | Welded joints in high strength, heat resistant steels, and a welding method therefor | Performing Operations; Transporting | 8 | Expired |
| US5556561A | Method of forming a weld joint of austenitic stainless steel/ferritic steel | Performing Operations; Transporting | 8 | Expired |
| US5211909A | Low-alloy heat-resistant steel having improved creep strength and toughness | Chemistry; Metallurgy | 8 | Expired |
| US5084238A | High strength heat-resistant low alloy steels | Chemistry; Metallurgy | 7 | Expired |
| US4957701A | High-strength high-Cr ferritic heat-resistant steel | Mechanical Engineering; Lighting; Heating | 6 | Expired |
| US6379611B1 | High strength, low alloy, heat resistant steel | Performing Operations; Transporting | 6 | Expired |
| US5814274A | Low-Cr ferritic steels and low-Cr ferritic cast steels having excellent high teperature strength and weldability | Chemistry; Metallurgy | 5 | Expired |
| US6935552B2 | High-precision method and apparatus for evaluating creep damage | Physics | 5 | Expired |
| US4907457A | Method of evaluating residual life of heat-resistant steel | Physics | 3 | Expired |
| US5254307A | High-nitrogen ferritic heat-resisting steel with high niobium content and method of production thereof | Chemistry; Metallurgy | 3 | Expired |
| US5158745A | High-nitrogen ferritic heat-resisting steel | Chemistry; Metallurgy | 2 | Expired |
| US5268142A | High-nitrogen ferritic heat-resisting steel with high vanadium content and method of production thereof | Chemistry; Metallurgy | 2 | Expired |
| US5204056A | Method of production of high-nitrogen ferritic heat-resisting steel | Chemistry; Metallurgy | 1 | Expired |
| US5972287A | Heat-resisting steel | Chemistry; Metallurgy | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.