Masao Isobe
6Patents
4h-index
7Co-inventors
50Inventor score
Filing activity: Sep 23, 1975 → Dec 30, 1998
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5328943A | Asphalt compositions for pavement | Chemistry; Metallurgy | 20 | Expired |
| US4024671A | Mutually counterbalancing upper and lower flap doors of wide doorway | Fixed Constructions | 11 | Expired |
| US4139511A | Asphalt compositions | Chemistry; Metallurgy | 9 | Expired |
| US4248749A | Stripping-resistant asphalt compositions | Chemistry; Metallurgy | 7 | Expired |
| US6159254A | Wax composition for forming candles | Chemistry; Metallurgy | 4 | Expired |
| US5340869A | Colorable binder composition | Chemistry; Metallurgy | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.