Hiroshi Itayama
5Patents
5h-index
8Co-inventors
48Inventor score
Filing activity: Oct 6, 1992 → Nov 14, 2000
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5578680A | Vibration-absorbing elastomeric composite, process for making the same, and vibration damper comprising the same | Chemistry; Metallurgy | 24 | Expired |
| US6680286B1 | Detergent composition comprising a quaternary ammonium salt of a carboxyl containing polymer | Chemistry; Metallurgy | 16 | Expired |
| US6641804B1 | Hair treatment and method of treating hair using compounded resin containing urethane resin | Human Necessities | 12 | Expired |
| US5221785A | Polymer composite and rubber contacts | Chemistry; Metallurgy | 10 | Expired |
| US5652320A | Polymer containing N-sulfoamino group, fiber formed therefrom, and magnetic recording medium containing the same | Emerging Cross-Sectional Technologies | 5 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.