Minoru Kitayama
24Patents
8h-index
32Co-inventors
75Inventor score
Filing activity: Jul 16, 1973 → Sep 13, 2017
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD578144S1 | Combined turning and milling machine | General | 69 | Expired |
| US4181580A | Process for electro-tin plating | Chemistry; Metallurgy | 20 | Expired |
| US6865789B2 | Tool holder for turret lathe | Emerging Cross-Sectional Technologies | 19 | Expired |
| USD588173S1 | Combined turning and milling machine | General | 17 | Expired |
| USD584322S1 | Combined turning and milling machine | General | 9 | Expired |
| US3941623A | Method for producing a grain-oriented electrical steel sheet using separators comprising metal nitrides | Chemistry; Metallurgy | 9 | Expired |
| US3950575A | Heat treatment of metals in a controlled surface atmosphere | Chemistry; Metallurgy | 9 | Expired |
| US7117773B2 | Turret for turret lathe | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4190468A | Process for coating an electrical steel sheet with an anti-sticking layer | Electricity | 6 | Expired |
| USD577043S1 | Combined turning and milling machine | General | 6 | Expired |
| US8887360B2 | Composite working lathe | Emerging Cross-Sectional Technologies | 6 | Active |
| US4537792A | Method of applying an annealing separator to grain oriented magnetic steel sheets | Chemistry; Metallurgy | 5 | Expired |
| US5525676A | Primer compositions for pretreatment or fitting of coatings and processes for treating them | Chemistry; Metallurgy | 5 | Expired |
| US8974357B2 | Vertical turret lathe | Emerging Cross-Sectional Technologies | 4 | Active |
| US8051543B2 | Composite working lathe | Emerging Cross-Sectional Technologies | 3 | Active |
| US7717018B2 | Machining unit and machine tool | Emerging Cross-Sectional Technologies | 3 | Active |
| US4227945A | Method for preventing decarburization of steel materials | Chemistry; Metallurgy | 3 | Expired |
| US4381251A | Oxidation inhibitor | Performing Operations; Transporting | 2 | Expired |
| US3957673A | Scale inhibitor compositions for application onto metal substrates to be heated, and the method therefor | Chemistry; Metallurgy | 2 | Expired |
| US5180776A | Primer compositions for pretreatment or fitting of coatings and processes for treating them | Chemistry; Metallurgy | 2 | Expired |
| US6408071B1 | Modem line connection circuit and the control circuit | Electricity | 2 | Expired |
| US3998670A | Process for producing steel plate substrates for lacquering | Chemistry; Metallurgy | 1 | Expired |
| US8241191B2 | Composite working lathe | Emerging Cross-Sectional Technologies | 1 | Active |
| US10406617B2 | Method for machining workpiece and machine tool | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.