Jun Takemura
28Patents
10h-index
67Co-inventors
78Inventor score
Filing activity: Oct 12, 1989 → Aug 24, 2020
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 |
| US5305720A | Internal combustion engine | Emerging Cross-Sectional Technologies | 41 | Expired |
| US4976241A | Method for determining combustion condition in spark ignition internal combustion engine and combustion condition control device | Emerging Cross-Sectional Technologies | 39 | Expired |
| US5141381A | Safety arrangement for automatic warehousing facility | Performing Operations; Transporting | 37 | Expired |
| US6293095A | In-cylinder injection type internal combustion engine | Emerging Cross-Sectional Technologies | 31 | Expired |
| US5141380A | Safety arrangement for automatic warehousing facility | Performing Operations; Transporting | 18 | Expired |
| US6340016B1 | Starting device and control method thereof for direct-injection internal combustion engine | Emerging Cross-Sectional Technologies | 17 | Expired |
| US5417190A | Stratified burning internal combustion engine | Emerging Cross-Sectional Technologies | 16 | Expired |
| US6438943B1 | In-cylinder injection type internal combustion engine | Emerging Cross-Sectional Technologies | 12 | Expired |
| US5150300A | Ignition timing controller for spark-ignition internal combustion engine using estimated cylinder wall temperature | Emerging Cross-Sectional Technologies | 11 | Expired |
| US6129065A | Piston for a cylinder injection engine | Emerging Cross-Sectional Technologies | 10 | Expired |
| US6751948B2 | Direct injection internal combustion engine and controlling method therefor | Emerging Cross-Sectional Technologies | 10 | Expired |
| US5295464A | Stratified burning internal combustion engine | Emerging Cross-Sectional Technologies | 10 | Expired |
| US7295959B2 | Program, method, apparatus, and system for supporting planning of vehicle | Physics | 9 | Expired |
| USRE36500E | Internal combustion engine | General | 8 | Expired |
| US5423300A | Internal combustion engine | Emerging Cross-Sectional Technologies | 5 | Expired |
| US7881860B2 | Vehicle planning support system | Physics | 5 | Active |
| US6386173B1 | In-cylinder injection type internal combustion engine | Emerging Cross-Sectional Technologies | 4 | Expired |
| US10786732B2 | Video game processing program and video game processing system | Electricity | 3 | Active |
| US6637192B2 | Cylinder injection type internal combustion engine | Emerging Cross-Sectional Technologies | 2 | Expired |
| US7899814B2 | Contents information search control system and contents information search control method | Physics | 2 | Active |
| US8257178B2 | Server apparatus, cellular phone, opponent selection system and method, program, and recording medium | Human Necessities | 1 | Active |
| US11931648B2 | Video game processing program and video game processing system | Electricity | 0 | Active |
| US11278804B2 | Video game processing program and video game processing system | Human Necessities | 0 | Active |
| US10561941B2 | Video game processing program and video game processing system | Human Necessities | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.