Yasuhiro Katsumata
30Patents
10h-index
74Co-inventors
78Inventor score
Filing activity: Jul 7, 1987 → Apr 12, 2024
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5620908A | Manufacturing method of semiconductor device comprising BiCMOS transistor | Electricity | 51 | Expired |
| US4782030A | Method of manufacturing bipolar semiconductor device | Emerging Cross-Sectional Technologies | 32 | Expired |
| US5204276A | Method of manufacturing semiconductor device | Emerging Cross-Sectional Technologies | 28 | Expired |
| US5434440A | Semiconductor device and method of manufacturing the same | Emerging Cross-Sectional Technologies | 27 | Expired |
| US8445118B2 | Coating liquid, metal compound film formed by coating liquid, and forming method thereof | Emerging Cross-Sectional Technologies | 19 | Active |
| US5898203A | Semiconductor device having solid phase diffusion sources | Emerging Cross-Sectional Technologies | 18 | Expired |
| US5903027A | MOSFET with solid phase diffusion source | Electricity | 14 | Expired |
| US5698881A | MOSFET with solid phase diffusion source | Electricity | 14 | Expired |
| US5604374A | Semiconductor device and manufacturing method thereof | Electricity | 11 | Expired |
| US5510647A | Semiconductor device and method of manufacturing the same | Electricity | 11 | Expired |
| US8147106B2 | Automotive headlamp | Emerging Cross-Sectional Technologies | 7 | Active |
| US5886395A | Semiconductor device having bipolar transistor with unique ratio of base gummel number to impurity concentration of collector region | Electricity | 4 | Expired |
| US5637909A | Semiconductor device and method of manufacturing the same | Electricity | 3 | Expired |
| US6635952B2 | Semiconductor device | Electricity | 2 | Expired |
| US5766965A | Semiconductor device and method of manufacturing the same | Emerging Cross-Sectional Technologies | 2 | Expired |
| US7964283B2 | Coating liquid, titanium oxide film formed by coating liquid, and forming method thereof | Emerging Cross-Sectional Technologies | 1 | Active |
| US10209525B2 | Head-up display device | Physics | 1 | Active |
| US9012354B2 | Photocatalytic film, method for forming photocatalytic film and photocatalytic film coated product | Chemistry; Metallurgy | 0 | Active |
| US12397642B2 | Display unit and vehicular display device | Physics | 0 | Active |
| US8646402B2 | Indicator having rotary members to hold guide rail | Physics | 0 | Active |
| US9010267B2 | Center-less pointer type display apparatus | Emerging Cross-Sectional Technologies | 0 | Active |
| US7993753B2 | Coating liquid, titanium oxide film formed by coating liquid, and forming method thereof | Emerging Cross-Sectional Technologies | 0 | Active |
| US12427863B2 | Vehicle display device | Performing Operations; Transporting | 0 | Active |
| US8003219B2 | Coating liquid, conductive film formed by coating liquid, and forming method thereof | Emerging Cross-Sectional Technologies | 0 | Active |
| US11586047B2 | Head-up display device | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.