Kazuhiro Ishigaki
5Patents
1h-index
3Co-inventors
44Inventor score
Filing activity: Sep 8, 1986 → Mar 22, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4739938A | Media agitating type grinding machine | Performing Operations; Transporting | 4 | Expired |
| US10118982B2 | Graft copolymer and thermoplastic resin composition | General | 0 | Revoked |
| US10723826B2 | Modifier for polycarbonate and method for producing same | Chemistry; Metallurgy | 0 | Active |
| US10538611B2 | Graft copolymer and thermoplastic resin composition | Chemistry; Metallurgy | 0 | Active |
| US10508167B2 | Graft copolymer and thermoplastic resin composition | General | 0 | Revoked |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.