Masayoshi Oshima
9Patents
6h-index
10Co-inventors
52Inventor score
Filing activity: Nov 8, 1989 → Oct 13, 1998
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5585989A | Magnetic disc substrate and a magnetic disc using the same | Physics | 31 | Expired |
| US5191026A | Ring-opening hydrogenated copolymer and process for producing the same | Chemistry; Metallurgy | 31 | Expired |
| US5580934A | Ring-opening hydrogenated copolymer and process for producing the same | Chemistry; Metallurgy | 23 | Expired |
| US5063096A | Optical disk | Emerging Cross-Sectional Technologies | 13 | Expired |
| US5061771A | Ring-opened polymer from norbornene type of polycyclic monomer and process for producing the polymer | Chemistry; Metallurgy | 7 | Expired |
| US5043395A | Novel optical material | Physics | 6 | Expired |
| US6066380A | Disc medium substrate and disc device | Emerging Cross-Sectional Technologies | 6 | Expired |
| US5143979A | Molding material | Physics | 5 | Expired |
| US5034482A | Process for producing polymer by ring-opening polymerization | Chemistry; Metallurgy | 5 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.