Koichi Tsutsumi
20Patents
4h-index
42Co-inventors
63Inventor score
Filing activity: Oct 11, 1988 → Sep 27, 2017
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7740051B2 | Method and apparatus for detecting crater end of continuously cast product, and method for producing continuously cast product | Physics | 9 | Active |
| US7971630B2 | Method and apparatus for detecting a crater end of a continuously cast product | Physics | 7 | Active |
| US7089905B2 | Lubricating structure for an engine | Mechanical Engineering; Lighting; Heating | 5 | Expired |
| US7131412B2 | Engine starting system | Emerging Cross-Sectional Technologies | 4 | Expired |
| US6896035B2 | Manufacturing method for continuously cast product of steel | Physics | 4 | Expired |
| US6948470B2 | Four-cycle engine | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US6899073B2 | Decompression device for internal combustion engine | Mechanical Engineering; Lighting; Heating | 2 | Expired |
| US7156148B2 | Manufacturing method for continuously cast product of steel | Physics | 2 | Expired |
| US7004135B2 | Engine starter unit | Emerging Cross-Sectional Technologies | 2 | Expired |
| US6435151B1 | Decompressor for four-stroke cycle engine | Mechanical Engineering; Lighting; Heating | 1 | Expired |
| US11041621B2 | Auxiliary burner for electric furnace | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US5171458A | Hot forming mold and method of manufacturing the same | Performing Operations; Transporting | 1 | Expired |
| US10508718B2 | Internal combustion engine | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US4966629A | Hot forming mold and method of manufacturing the same | Chemistry; Metallurgy | 1 | Expired |
| US8243275B2 | Optical measurement apparatus and optical measurement method for a liquid or molten material | Physics | 0 | Active |
| US10935234B2 | Auxiliary burner for electric furnace | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US11040409B2 | Cutting machine and thermoelectric power generation method | Electricity | 0 | Active |
| US7439968B2 | Display device | Physics | 0 | Expired |
| US7892123B2 | Rotational force transmission member mounting structure | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US11293694B2 | Auxiliary burner for electric furnace | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.