Hideki Doi
4Patents
2h-index
12Co-inventors
41Inventor score
Filing activity: Apr 15, 1993 → Jul 7, 2005
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5362870A | Process for producing a high purity caprolactam | Chemistry; Metallurgy | 6 | Expired |
| US5525725A | Process for producing a high purity caprolactam | Chemistry; Metallurgy | 3 | Expired |
| US7611631B2 | Indium adsorbent and indium fractioning method | Emerging Cross-Sectional Technologies | 2 | Expired |
| US5459261A | Process for producing a high purity caprolactam | Chemistry; Metallurgy | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.