Koichi Orii
6Patents
6h-index
12Co-inventors
56Inventor score
Filing activity: Jun 25, 1986 → Oct 10, 1995
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5665133A | Process for production of pure transparent quartz | Chemistry; Metallurgy | 21 | Expired |
| US4683128A | Process for manufacturing high purity silica | Chemistry; Metallurgy | 20 | Expired |
| US4853198A | Process for producing unsintered cristobalite silica | Chemistry; Metallurgy | 19 | Expired |
| US5028360A | Method of manufacturing spherical silica particles | Chemistry; Metallurgy | 17 | Expired |
| US5202104A | Process for preparing silica having a low silanol content | Chemistry; Metallurgy | 15 | Expired |
| US5154905A | Method for producing unsintered cristobalite particles | Chemistry; Metallurgy | 6 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.