Masanori Fujita
51Patents
14h-index
50Co-inventors
87Inventor score
Filing activity: Feb 4, 1975 → Aug 3, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4113981A | Electrically conductive adhesive connecting arrays of conductors | Electricity | 166 | Expired |
| US7392043B2 | API system, method and computer program product for accessing content/security analysis functionality in a mobile communication framework | Electricity | 102 | Expired |
| US7308256B2 | Mobile communication terminal, information processing apparatus, relay server apparatus, information processing system, and information processing method | Electricity | 93 | Expired |
| US5148074A | Piezoelectric device and related converting devices | Electricity | 48 | Expired |
| US6215987A | Mobile communication transmitter capable of selectively activating amplifiers | Electricity | 37 | Expired |
| US6970697B2 | Platform-independent scanning subsystem API for use in a mobile communication framework | Electricity | 29 | Expired |
| US7890619B2 | Server apparatus, and information processing method for notifying of detection of computer virus | Physics | 26 | Active |
| US6987963B2 | System, method and computer program product for content/context sensitive scanning utilizing a mobile communication device | Physics | 26 | Expired |
| US7254811B2 | Update system and method for updating a scanning subsystem in a mobile communication framework | Electricity | 20 | Expired |
| US5122787A | Ferroelectric liquid crystal touch panel | Physics | 18 | Expired |
| US6215536A | Reflective liquid crystal display device having light scattering liquid crystal display element, and method for manufacturing reflective liquid crystal display device | Physics | 18 | Expired |
| US4834510A | Method for driving a ferroelectric liquid crystal optical apparatus using superposed DC and AC driving pulses to attain intermediate tones | Physics | 17 | Expired |
| US4407587A | Electronic timer | Physics | 15 | Expired |
| US5105116A | Piezoelectric transducer and sound-generating device | Electricity | 14 | Expired |
| US10074665B2 | Three-dimensional semiconductor memory device including slit with lateral surfaces having periodicity | Electricity | 10 | Active |
| US5789983A | High-frequency amplifier having variable gain in response to input power level | Electricity | 10 | Expired |
| US4429304A | Display driving device | Physics | 10 | Expired |
| US4186395A | Method of driving a liquid crystal display apparatus | Physics | 9 | Expired |
| US7299035B2 | Server device, mobile communications terminal, information transmitting system and information transmitting method | Electricity | 9 | Expired |
| US6271819A | Method for driving electro-optical display device | Physics | 7 | Expired |
| US4209975A | Time adjusting means for electronic timepiece | Physics | 6 | Expired |
| US5006839A | Method for driving a liquid crystal optical apparatus | Physics | 5 | Expired |
| US6518843B1 | Variable gain type amplifier | Electricity | 5 | Expired |
| US7725458B2 | Access control system and access control method | Physics | 4 | Expired |
| US4078855A | Electro-optical display device | Physics | 4 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.