Inventor · Fukuyama, JP

Hiroshi Kuwamoto

14Patents
6h-index
25Co-inventors
58Inventor score

Filing activity: Sep 30, 1982 → Dec 26, 1990

Most-cited inventions

PatentTitleAreaCited byStatus
US4637885A Metal-working oil composition Chemistry; Metallurgy 21 Expired
US4626367A Water-soluble metal-working lubricant composition Chemistry; Metallurgy 15 Expired
US4650595A Metal working water-soluble lubricant composition and method of feeding same Chemistry; Metallurgy 10 Expired
US4663061A Metal-working oil composition Chemistry; Metallurgy 8 Expired
US4664823A Metal-working oil composition Chemistry; Metallurgy 8 Expired
US4693839A Metal rolling oil composition Chemistry; Metallurgy 7 Expired
US4666617A Cold rolling oil for steel sheet Chemistry; Metallurgy 6 Expired
US4577480A Method and apparatus for controlling rolling correction in rolling mill Performing Operations; Transporting 5 Expired
US4810589A Steel foil having excellent shielding characteristics to electromagnetic waves Emerging Cross-Sectional Technologies 3 Expired
US5094764A Method for supplying a lubricating oil composition Chemistry; Metallurgy 2 Expired
US4970011A Lubricating oil useful in the rolling of metal and a method for supplying the same Chemistry; Metallurgy 2 Expired
US4883606A Water-soluble temper rolling oil and method of temper rolling Chemistry; Metallurgy 2 Expired
US4554087A Metal processing composition Chemistry; Metallurgy 1 Expired
US4985158A Lubricating oil composition and method for supplying same Chemistry; Metallurgy 0 Expired

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