Fumio Hara
50Patents
13h-index
48Co-inventors
84Inventor score
Filing activity: Jan 31, 1974 → Mar 1, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6744692B2 | Memory system's improvement in efficiency of data process between host, buffer memory and nonvolatile memory | Physics | 46 | Expired |
| US7231580B2 | Nonvolatile memory apparatus and data processing system | Physics | 41 | Expired |
| US4970707A | Optical tape apparatus with a tracking control mechanism and/or a focusing control mechanism | Physics | 40 | Expired |
| US4969137A | Optical recording and reproducing apparatus having a multi-spot positioning control mechanism | Physics | 37 | Expired |
| US5461569A | Abnormality diagnostic system for internal combustion engines | Emerging Cross-Sectional Technologies | 31 | Expired |
| US7447936B2 | Nonvolatile memory system | Physics | 29 | Active |
| US6882568B2 | Memory system with improved efficiency of data transfer between host, buffer and nonvolatile memory | Physics | 24 | Expired |
| US7137027B2 | Nonvolatile memory system | Physics | 21 | Expired |
| US7635111B2 | Suction cup device | Mechanical Engineering; Lighting; Heating | 17 | Active |
| US5619973A | Control system for internal combustion engines | Emerging Cross-Sectional Technologies | 17 | Expired |
| US5724952A | Air-fuel ratio control system for internal combustion engines | Mechanical Engineering; Lighting; Heating | 15 | Expired |
| US5385517A | Air-fuel ratio control system for internal combustion engines with torque converter lock-up | Mechanical Engineering; Lighting; Heating | 14 | Expired |
| US7450457B2 | Memory system comprising a controller managing independent data transfer between input-output terminal, synchronous dynamic random access memory, and flash memory | Physics | 13 | Active |
| US7197613B2 | Nonvolatile memory | Physics | 13 | Expired |
| US5983650A | Method and apparatus for controlling vehicular air-conditioning system | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US5469833A | Control system for internal combustion engines | Emerging Cross-Sectional Technologies | 11 | Expired |
| US5090005A | Tape recorder with means for sampling and holding focusing and tracking error signals during discontinuity of tape on surface of rotating drum | Physics | 10 | Expired |
| US7206233B2 | Memory system with parallel data transfer between host, buffer and flash memory | Physics | 10 | Expired |
| US5614666A | Idling rotational speed control system for internal combustion engines | Emerging Cross-Sectional Technologies | 10 | Expired |
| US5445132A | Evaporative fuel-purging control system for internal combustion engines | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US5606120A | Misfire-detecting system for internal combustion engines | Physics | 9 | Expired |
| US5611320A | Control system for internal combustion engines | Emerging Cross-Sectional Technologies | 8 | Expired |
| US7552311B2 | Memory device with preread data management | Physics | 7 | Active |
| US7072232B2 | Nonvolatile memory system | Physics | 7 | Expired |
| US5799639A | Evaporative fuel-processing system for internal combustion engines | Mechanical Engineering; Lighting; Heating | 5 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.