Tsuyoshi Hamada
8Patents
4h-index
20Co-inventors
53Inventor score
Filing activity: Sep 28, 2001 → Sep 30, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8072294B2 | Filter having switch function and band pass filter | Electricity | 18 | Active |
| US9616390B2 | Separation membrane, separation membrane element, and method for producing separation membrane | Chemistry; Metallurgy | 15 | Active |
| US9724646B2 | Separation membrane element | Chemistry; Metallurgy | 15 | Active |
| US7187773B2 | System for evaluating abnormal sound, sound recorder and apparatus for evaluating abnormal sound | Physics | 7 | Expired |
| US12121867B2 | Composite semipermeable membrane | Performing Operations; Transporting | 0 | Active |
| US11198100B2 | Composite semipermeable membrane and method for producing composite semipermeable membrane | Performing Operations; Transporting | 0 | Active |
| US10099183B2 | Solvent-resistant separation membrane | Performing Operations; Transporting | 0 | Active |
| US11045771B2 | Composite semipermeable membrane and method for producing same | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.