Hiroshi Kuwamoto
14Patents
6h-index
25Co-inventors
58Inventor score
Filing activity: Sep 30, 1982 → Dec 26, 1990
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| 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.