Chikashi Okayama
9Patents
6h-index
25Co-inventors
52Inventor score
Filing activity: May 20, 1998 → Jul 13, 2001
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6300415A | Propylene composition, process for preparing the same, polypropylene composition, and molded articles | Chemistry; Metallurgy | 60 | Expired |
| US6319991A | Propylene polymer blends, processes of producing the same and polypropylene resin compositions | Chemistry; Metallurgy | 48 | Expired |
| US6271310A | Polypropylene composition and process for producing the same | Chemistry; Metallurgy | 12 | Expired |
| US6348271B1 | Film having gas permeability | Emerging Cross-Sectional Technologies | 12 | Expired |
| US6326080A | Biaxially oriented polypropylene-base film | Emerging Cross-Sectional Technologies | 8 | Expired |
| US6258893A | Unoriented polypropylene molding | Chemistry; Metallurgy | 8 | Expired |
| US6255390A | Polyolefin type resinous composition | Chemistry; Metallurgy | 4 | Expired |
| US6670027B1 | Uniaxially oriented polypropylene-based film | Emerging Cross-Sectional Technologies | 2 | Expired |
| US6512061B1 | Process for producing polypropylene or propylene random copolymer | Emerging Cross-Sectional Technologies | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.