Hiroshi Matsumoto
436Patents
31h-index
584Co-inventors
93Inventor score
Filing activity: Oct 3, 1974 → Aug 14, 2024
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5323042A | Active matrix liquid crystal display having a peripheral driving circuit element | Electricity | 327 | Expired |
| US5465299A | Electronic document processing system and method of forming digital signature | Electricity | 296 | Expired |
| US5311421A | Process control method and system for performing control of a controlled system by use of a neural network | Emerging Cross-Sectional Technologies | 200 | Expired |
| US5333240A | Neural network state diagnostic system for equipment | Emerging Cross-Sectional Technologies | 165 | Expired |
| US5305230A | Process control system and power plant process control system | Emerging Cross-Sectional Technologies | 141 | Expired |
| US5268835A | Process controller for controlling a process to a target state | Emerging Cross-Sectional Technologies | 86 | Expired |
| US4984061A | Semiconductor device in which wiring layer is formed below bonding pad | Electricity | 85 | Expired |
| US5396084A | Thin film transistor device having driving circuit and matrix circuit | Emerging Cross-Sectional Technologies | 80 | Expired |
| US7366669B2 | Acoustic model creation method as well as acoustic model creation apparatus and speech recognition apparatus | Physics | 68 | Active |
| US5309516A | Group cipher communication method and group cipher communication system | Electricity | 64 | Expired |
| US5079606A | Thin-film memory element | Physics | 57 | Expired |
| US4903192A | Pid controller system | Emerging Cross-Sectional Technologies | 54 | Expired |
| US7603742B2 | Wiper blade and wiper system having the same | Performing Operations; Transporting | 51 | Active |
| US7526832B2 | Wiper blade having a lever connected to wiper arm | Performing Operations; Transporting | 50 | Active |
| US5774633A | Supporting neural network method for process operation | Emerging Cross-Sectional Technologies | 49 | Expired |
| US4247882A | Universal input/output system construction for programmable controllers | Electricity | 49 | Expired |
| US4430219A | Hollow fiber package body and its production | Emerging Cross-Sectional Technologies | 48 | Expired |
| US4352736A | Wound flattened hollow fiber assembly having plural spaced core sections | Performing Operations; Transporting | 48 | Expired |
| US5479358A | Urban energy system for controlling an energy plant supplying energy to a community | Emerging Cross-Sectional Technologies | 45 | Expired |
| US4593814A | Magnetic tape cassette storing case | Physics | 43 | Expired |
| US4427438A | N-(2-Fluoro-4-halo-5-substituted phenyl) hydantoins | Chemistry; Metallurgy | 43 | Expired |
| US5222139A | Cryptographic method and apparatus | Electricity | 43 | Expired |
| US4120159A | Steam turbine control system and method of controlling the ratio of steam flow between under full-arc admission mode and under partial-arc admission mode | Mechanical Engineering; Lighting; Heating | 41 | Expired |
| US5512993A | Image heating device capable of controlling activation of plural heaters | Physics | 41 | Expired |
| US5577367A | Apparatus and method for sterilization and secondary packaging | Performing Operations; Transporting | 38 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.