Sadao Hirata
23Patents
19h-index
19Co-inventors
74Inventor score
Filing activity: Aug 16, 1973 → Nov 9, 1988
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4818575A | Biaxially drawn polyester vessel having resistance to heat distortion and gas barrier properties and process for preparation thereof | Emerging Cross-Sectional Technologies | 172 | Expired |
| US4486378A | Plastic bottles and process for preparation thereof | Chemistry; Metallurgy | 112 | Expired |
| US4261473A | Molded container having wall composed of oriented resin blend | Emerging Cross-Sectional Technologies | 97 | Expired |
| US4837115A | Thermoplastic polyester composition having improved flavor-retaining property and vessel formed therefrom | Emerging Cross-Sectional Technologies | 82 | Expired |
| US4082854A | Packaging materials having excellent gas permeation resistance and process for preparation thereof | Emerging Cross-Sectional Technologies | 75 | Expired |
| US3975463A | Molded structures containing crystalling polyolefin saponified ethylene vinyl acetate copolymer and carbonyl containing copolymers | Emerging Cross-Sectional Technologies | 71 | Expired |
| US4478889A | Process for preparation of coated plastic container | Chemistry; Metallurgy | 65 | Expired |
| US4551366A | Composite vessel excellent in preservability and process for preparation thereof | Emerging Cross-Sectional Technologies | 65 | Expired |
| US4919984A | Multilayer plastic container | Emerging Cross-Sectional Technologies | 64 | Expired |
| US4699809A | Process for preparation of coated oriented plastic container | Chemistry; Metallurgy | 62 | Expired |
| US4393106A | Laminated plastic container and process for preparation thereof | Emerging Cross-Sectional Technologies | 61 | Expired |
| US4182457A | Multilayer container | Emerging Cross-Sectional Technologies | 56 | Expired |
| US4714580A | Plastic vessel having oriented coating and process for preparation thereof | Chemistry; Metallurgy | 52 | Expired |
| US4562118A | Films, sheets, laminates and molded articles having gas barrier properties | Emerging Cross-Sectional Technologies | 45 | Expired |
| US3932692A | Resinious laminates having improved gas permeation and delamination resistance | Emerging Cross-Sectional Technologies | 41 | Expired |
| US3931449A | Resinous laminates having improved gas permeation and resistance to delamination | Emerging Cross-Sectional Technologies | 38 | Expired |
| US4370368A | Plastic bottles and process for preparation thereof | Emerging Cross-Sectional Technologies | 35 | Expired |
| US4820795A | Polyester vessel and package | Performing Operations; Transporting | 25 | Expired |
| US4500677A | Resin composition excellent in drawability | Emerging Cross-Sectional Technologies | 22 | Expired |
| US4217161A | Process for making a container | Performing Operations; Transporting | 19 | Expired |
| US4798697A | Process for preparation of injection molded body of olefin/vinyl alcohol copolymer | Emerging Cross-Sectional Technologies | 13 | Expired |
| US4816304A | Multi-layer gas-barrier drawn polyester vessel | Emerging Cross-Sectional Technologies | 12 | Expired |
| US4904509A | Injection-molded body of olefin/vinyl alcohol copolymer and process for preparation thereof | Emerging Cross-Sectional Technologies | 9 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.