Hisashi Ichikawa
8Patents
2h-index
19Co-inventors
48Inventor score
Filing activity: Sep 28, 1977 → Oct 22, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US9880153B2 | Componential analyzer, drug efficacy analyzer, and analysis method | Physics | 2 | Active |
| US10400142B2 | Hot melt adhesive | Chemistry; Metallurgy | 2 | Active |
| US10684276B2 | Componential analyzer, drug efficacy analyzer, and analysis method | Physics | 1 | Active |
| US6078464A | Drum base on which a drum of a magnetic tape recorder is mounted | Physics | 1 | Expired |
| US11933355B2 | Ball joint | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US8877871B2 | Organic switching element and method for producing the same | Electricity | 0 | Active |
| US11789013B2 | Componential analyzer, drug efficacy analyzer, and analysis method | Physics | 0 | Active |
| US4135413A | Device or arrangement of parts for elastically loading movable member | Emerging Cross-Sectional Technologies | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.