Masayoshi Hayashida
7Patents
6h-index
16Co-inventors
60Inventor score
Filing activity: Sep 24, 1976 → Aug 29, 2002
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4090734A | Reinforcement member for an automobile door | Performing Operations; Transporting | 105 | Expired |
| US6916358B2 | Adsorbent for separating nitrogen from mixed gas of oxygen and nitrogen | Emerging Cross-Sectional Technologies | 66 | Expired |
| US6475461B1 | Porous carbonaceous material, manufacturing method therefor and use thereof | Emerging Cross-Sectional Technologies | 56 | Expired |
| US4420057A | Air induction structure for an automobile air cleaner | Emerging Cross-Sectional Technologies | 43 | Expired |
| US5972834A | Carbon adsorbent, manufacturing method therefor, gas separation method and device therefor | Emerging Cross-Sectional Technologies | 24 | Expired |
| US6767386B2 | Method and apparatus for producing nitrogen | Emerging Cross-Sectional Technologies | 6 | Expired |
| US5968471A | Process for producing molecular sieve carbon | Performing Operations; Transporting | 5 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.