Kenichi Yamamoto
132Patents
18h-index
280Co-inventors
89Inventor score
Filing activity: Dec 11, 1975 → Jun 7, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5508913A | Electronic automatic offer matching system for freezer exchange transactions among banks | Physics | 163 | Expired |
| US6879041B2 | Semiconductor device with joint structure having lead-free solder layer over nickel layer | Electricity | 56 | Expired |
| US7001272B2 | Video game device, video game method, video game program, and video game system | Human Necessities | 48 | Expired |
| US5755620A | Game system and data processing method thereof | Human Necessities | 47 | Expired |
| US5677258A | Burned gas purifying catalyst | Emerging Cross-Sectional Technologies | 36 | Expired |
| USD768024S1 | Necklace with a built in guidance device | General | 29 | Active |
| US7214887B2 | Electronic circuit connecting structure, and its connecting method | Electricity | 28 | Expired |
| US5987248A | Debugging information display device | Physics | 27 | Expired |
| US9677901B2 | System and method for providing navigation instructions at optimal times | Physics | 26 | Active |
| US4781977A | Cyclodextrin adsorbing-material | Emerging Cross-Sectional Technologies | 26 | Expired |
| US5942185A | Lead-free solder used for connecting electronic parts on organic substrate and electronic products made using same | Emerging Cross-Sectional Technologies | 23 | Expired |
| US6028119A | Process for methanol production | Emerging Cross-Sectional Technologies | 23 | Expired |
| US9629774B2 | Smart necklace with stereo vision and onboard processing | Physics | 23 | Active |
| USD622634S1 | Automobile, toy replica and/or other replicas | General | 22 | Expired |
| US5970963A | Apparatus for preventing flow noise in throttle valve | Mechanical Engineering; Lighting; Heating | 22 | Expired |
| US6061248A | Semiconductor chip-mounting board providing a high bonding strength with a semiconductor chip mounted thereon | Electricity | 21 | Expired |
| USD552562S1 | Pendant switch for controlling a hoist | General | 20 | Expired |
| US6548711B2 | Process for producing 2-vinylcyclododecanone | Chemistry; Metallurgy | 19 | Expired |
| US6608441B2 | Plasma display panel and method for manufacturing the same | Electricity | 18 | Expired |
| US4767926A | Electron beam metrology system | Physics | 18 | Expired |
| US6333599A | Plasma display system | Electricity | 16 | Expired |
| US5958826A | Burned gas purifying catalyst | Emerging Cross-Sectional Technologies | 16 | Expired |
| US5032107A | Flywheel device with a torsional damper | Mechanical Engineering; Lighting; Heating | 16 | Expired |
| US7178637B2 | Both-way movable body driving mechanism and elevator using the same | Performing Operations; Transporting | 15 | Expired |
| US5536586A | Composite hydrogen storage alloy material | Emerging Cross-Sectional Technologies | 15 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.