Yoshihiro Nakayama
21Patents
3h-index
35Co-inventors
63Inventor score
Filing activity: Apr 18, 1991 → Jun 14, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6810320B2 | Apparatus and method of combustion diagnosis/control in internal combustion engine | Emerging Cross-Sectional Technologies | 23 | Expired |
| US5746902A | Electrolytic manganese dioxide and method of manufacturing the same | Emerging Cross-Sectional Technologies | 4 | Expired |
| US5938910A | Electrolytic manganese dioxide and method of manufacturing the same | Emerging Cross-Sectional Technologies | 3 | Expired |
| US6668150B2 | Oil coating roller, seal ring used for the roller, and fixing device using the seal ring | Physics | 3 | Expired |
| US5281997A | Optical system housing structure for image forming apparatus | Physics | 2 | Expired |
| US5243386A | Optical system housing structure for image forming apparatus | Physics | 2 | Expired |
| US7893000B2 | Boron carbide ceramic and manufacturing method thereof | Chemistry; Metallurgy | 1 | Active |
| US7799715B2 | Boron carbide ceramic and manufacturing method thereof | Chemistry; Metallurgy | 1 | Active |
| US10961135B2 | Water treatment apparatus and water treatment method | Chemistry; Metallurgy | 1 | Active |
| US10941056B2 | Water treatment device and water treatment method | Chemistry; Metallurgy | 0 | Active |
| US12168525B2 | Composite-material aircraft part and method of manufacturing same | Emerging Cross-Sectional Technologies | 0 | Active |
| US10101380B2 | Device for determining electrical wire bundle | Physics | 0 | Active |
| US10054626B2 | Failure rate calculation device | Physics | 0 | Active |
| US11945177B2 | Method of manufacturing intermediate product of aircraft part and aircraft part | Emerging Cross-Sectional Technologies | 0 | Active |
| US12037273B2 | Ion removal apparatus | Emerging Cross-Sectional Technologies | 0 | Active |
| US10354021B2 | Device for calculating bundle diameter of electrical wire bundle | Physics | 0 | Active |
| US12172392B2 | Composite-material aircraft part and method of manufacturing same | Emerging Cross-Sectional Technologies | 0 | Active |
| US11667551B2 | Water treatment device, water treatment system, method of assembling water treatment device, and water treatment method | Emerging Cross-Sectional Technologies | 0 | Active |
| US10319057B2 | Safety analysis system for wiring | Physics | 0 | Active |
| US10248629B2 | Method for determining wiring risk and wiring risk determination system | Physics | 0 | Active |
| US12195369B2 | Water treatment device | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.