Satoru Fujii
74Patents
18h-index
91Co-inventors
87Inventor score
Filing activity: Jun 20, 1983 → Jun 23, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6832721B2 | Authentication system using information on position | Physics | 198 | Expired |
| US5625539A | Method and apparatus for controlling a DC to AC inverter system by a plurality of pulse-width modulated pulse trains | Electricity | 161 | Expired |
| US8018760B2 | Resistance variable element and resistance variable memory apparatus | Physics | 101 | Active |
| US7990754B2 | Resistance variable memory apparatus | Electricity | 60 | Active |
| US6347862B1 | Ink-jet head | Performing Operations; Transporting | 54 | Expired |
| US7920408B2 | Resistance change nonvolatile memory device | Electricity | 53 | Active |
| US8022502B2 | Nonvolatile memory element, manufacturing method thereof, and nonvolatile semiconductor apparatus using the nonvolatile memory element | Emerging Cross-Sectional Technologies | 47 | Active |
| US5131043A | Method of and apparatus for speech recognition wherein decisions are made based on phonemes | Physics | 46 | Expired |
| US4736429A | Apparatus for speech recognition | Physics | 46 | Expired |
| US5366760A | Conductive ink composition and method of forming a conductive thick film pattern | Electricity | 41 | Expired |
| US8154909B2 | Resistance variable memory apparatus | Electricity | 38 | Active |
| US5459635A | Laminated thin film capacitor and method for producing the same | Electricity | 28 | Expired |
| US5174925A | Conductive ink composition and method of forming a conductive thick film pattern | Electricity | 25 | Expired |
| US8058636B2 | Variable resistance nonvolatile memory apparatus | Emerging Cross-Sectional Technologies | 23 | Active |
| US5663089A | Method for producing a laminated thin film capacitor | Electricity | 21 | Expired |
| US5533629A | Vortex pneumatic classifier | Performing Operations; Transporting | 19 | Expired |
| US5406445A | Thin film capacitor and method of manufacturing the same | Electricity | 19 | Expired |
| US4919795A | Leakage prevention apparatus for a classifier | Performing Operations; Transporting | 19 | Expired |
| US6893765B1 | Polymer electrolyte fuel cell | Emerging Cross-Sectional Technologies | 17 | Expired |
| US4991216A | Method for speech recognition | Physics | 15 | Expired |
| US6263734A | Piezoelectric acceleration sensor and method of detecting acceleration and manufacturing method thereof | Physics | 14 | Expired |
| US4818376A | Leakage prevention apparatus for a classifier | Performing Operations; Transporting | 13 | Expired |
| US5362513A | Method of manufacturing a pattern of conductive fine-line films and setting ink used for the same | Electricity | 13 | Expired |
| US8445319B2 | Nonvolatile memory element, manufacturing method thereof, and nonvolatile semiconductor apparatus using the nonvolatile memory element | Emerging Cross-Sectional Technologies | 13 | Active |
| US8148711B2 | Nonvolatile memory element, manufacturing method thereof, and nonvolatile semiconductor apparatus using nonvolatile memory element | Electricity | 12 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.