Inventor · Tokyo, JP

Masao Takeyama

6Patents
2h-index
17Co-inventors
48Inventor score

Filing activity: Jul 16, 1992 → Sep 15, 2021

Most-cited inventions

PatentTitleAreaCited byStatus
US6669791B2 TiAl based alloy, production process therefor, and rotor blade using same Chemistry; Metallurgy 17 Expired
US5282907A Two-phase chromium-niobium alloys exhibiting improved mechanical properties at high temperatures Chemistry; Metallurgy 4 Expired
US9493868B2 Aluminum or aluminum alloy-coated steel material and method of manufacturing the same Emerging Cross-Sectional Technologies 1 Active
US12221683B2 Titanium aluminide alloy material for hot forging and forging method for titanium aluminide alloy material Chemistry; Metallurgy 0 Active
US7618504B2 TiA1 based alloy, production process therefor, and rotor blade using same Chemistry; Metallurgy 0 Expired
US10415423B2 Austenite steel, and austenite steel casting using same Mechanical Engineering; Lighting; Heating 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.