Shuya Nagayama
10Patents
3h-index
26Co-inventors
60Inventor score
Filing activity: Jul 19, 1988 → Jul 29, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4912928A | Exhaust heat exchanger system | Emerging Cross-Sectional Technologies | 14 | Expired |
| US6491885B1 | Exhaust gas processing method | Performing Operations; Transporting | 9 | Expired |
| US6025298A | Catalyst and process for the production thereof | Performing Operations; Transporting | 6 | Expired |
| US10767007B2 | Polycarbonate resin, method for producing same, and optical lens | Physics | 1 | Active |
| US11286342B2 | Polycarbonate resin, method for producing same, and optical lens | Physics | 1 | Active |
| US11072573B2 | Binaphthyl compounds | Chemistry; Metallurgy | 0 | Active |
| US11434327B2 | Polycarbonate resin, method for producing the same, and optical lens | Physics | 0 | Active |
| US11952460B2 | Polycarbonate resin, method for producing the same, and optical lens | Physics | 0 | Active |
| US11306180B2 | Polycarbonate and molded article | Physics | 0 | Active |
| US11440991B2 | Polycarbonate resin composition, production method therefor, and optical lens | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.