Shigeo Yamamoto
40Patents
12h-index
73Co-inventors
84Inventor score
Filing activity: Oct 24, 1979 → Dec 22, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6622690B2 | Direct injection type internal combustion engine and controlling method therefor | Emerging Cross-Sectional Technologies | 69 | Expired |
| US5184581A | Valve timing retarding system | Mechanical Engineering; Lighting; Heating | 43 | Expired |
| US6228181A | Making epitaxial semiconductor device | Electricity | 41 | Expired |
| US4959603A | Solar battery equipment | Emerging Cross-Sectional Technologies | 35 | Expired |
| US6293095A | In-cylinder injection type internal combustion engine | Emerging Cross-Sectional Technologies | 31 | Expired |
| US5740777A | In-cylinder injection internal combustion engine | Emerging Cross-Sectional Technologies | 26 | Expired |
| US4300556A | Facial beauty device | Human Necessities | 24 | Expired |
| US5208016A | Antimicrobial substance and antimicrobial resin composition containing ethylene copolymer | Human Necessities | 24 | Expired |
| US5811958A | Portable electric power source with attached battery charger | Emerging Cross-Sectional Technologies | 22 | Expired |
| US4313147A | Protective device for communication system | Emerging Cross-Sectional Technologies | 21 | Expired |
| US4559456A | Battery powered electric appliance | Emerging Cross-Sectional Technologies | 21 | Expired |
| US5836284A | Intake system construction for internal combustion engine and manufacturing process of intake passage section of internal combustion engine | Emerging Cross-Sectional Technologies | 15 | Expired |
| US6438943B1 | In-cylinder injection type internal combustion engine | Emerging Cross-Sectional Technologies | 12 | Expired |
| US4425635A | Fish sonar | Physics | 12 | Expired |
| US6751948B2 | Direct injection internal combustion engine and controlling method therefor | Emerging Cross-Sectional Technologies | 10 | Expired |
| US4881220A | Multiplex communication system for sequence controllers | Electricity | 10 | Expired |
| US4374031A | Method for manufacturing polyester fibers with good adhesion to rubber | Textiles; Paper | 8 | Expired |
| US4686659A | Color sonar system for displaying echo signals from fish | Physics | 6 | Expired |
| US7246086B2 | Product information management device | Physics | 6 | Expired |
| US4403049A | Method of manufacturing polyester fibers with good adhesion to rubber | Emerging Cross-Sectional Technologies | 6 | Expired |
| US5358575A | Method for blackening Ni-Fe shadow mask and mesh belt type blackening lehr for carrying out the method | Chemistry; Metallurgy | 6 | Expired |
| US5913554A | Intake system construction for internal combustion engine and manufacturing process of intake passage section of internal combustion engine | Emerging Cross-Sectional Technologies | 6 | Expired |
| US8831803B2 | Hybrid vehicle, method of notification for hybrid vehicle, and computer-readable storage medium having program stored thereon for causing computer to execute method of notification for hybrid vehicle | Emerging Cross-Sectional Technologies | 6 | Active |
| US5983856A | Intake system construction for internal combustion engine and manufacturing process of intake passage section of internal combustion engine | Emerging Cross-Sectional Technologies | 5 | Expired |
| US6386173B1 | In-cylinder injection type internal combustion engine | Emerging Cross-Sectional Technologies | 4 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.