Toho Beslon Co., Ltd.
34Patents
0Active
34Granted
39Portfolio score
Filing activity: Jul 8, 1975 → Jan 6, 1986
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4132828A | Assembly of metal-coated carbon fibers, process for production thereof, and method for use thereof | Emerging Cross-Sectional Technologies | 81 | Expired |
| US4231169A | Insole and method of producing the same | Emerging Cross-Sectional Technologies | 66 | Expired |
| US4696742A | Active carbon fibers and filter adsorption unit for water purification comprising said fibers | Textiles; Paper | 49 | Expired |
| US4309473A | Non-tacky strand prepreg comprising a resin composition containing a combination of (1) a thermosetting resin and (2) a high molecular weight epoxy resin and a process for forming an article from the same | Emerging Cross-Sectional Technologies | 47 | Expired |
| US4366085A | Fibrous activated carbon with metal chelate compound supported thereon, process for producing the same | Emerging Cross-Sectional Technologies | 45 | Expired |
| US4229397A | Method for forming fiber-reinforced composite material | Performing Operations; Transporting | 37 | Expired |
| US4677818A | Composite rope and manufacture thereof | Textiles; Paper | 36 | Expired |
| US4443507A | Heat-moldable laminate and process for molding said laminated structures | Emerging Cross-Sectional Technologies | 34 | Expired |
| US4285831A | Process for production of activated carbon fibers | Emerging Cross-Sectional Technologies | 34 | Expired |
| US4069297A | Process for producing carbon fibers | Textiles; Paper | 32 | Expired |
| US4073870A | Process for producing carbon fibers | Textiles; Paper | 26 | Expired |
| US4259397A | Brake lining material | Emerging Cross-Sectional Technologies | 26 | Expired |
| US4474906A | Carbon fiber and resin composition reinforced by the same | Emerging Cross-Sectional Technologies | 24 | Expired |
| US4195649A | Tobacco smoke filter | Human Necessities | 23 | Expired |
| US4339021A | Carbon fiber reinforced carbon friction element and method of making | Emerging Cross-Sectional Technologies | 22 | Expired |
| US4576929A | Active carbon fibers as adsorbent for water purification | Textiles; Paper | 22 | Expired |
| US4671950A | High-strength carbonaceous fiber | Textiles; Paper | 20 | Expired |
| US4347279A | High performance carbon fiber, process for production thereof, and composite materials prepared therewith | Emerging Cross-Sectional Technologies | 18 | Expired |
| US4362646A | Process for the production of fibrous activated carbon | Chemistry; Metallurgy | 16 | Expired |
| US4460650A | Acrylonitrile fibers, a process for producing acrylonitrile fibers, as well as producing peroxidized fibers, fibrous active carbon or carbon fibers therefrom | Emerging Cross-Sectional Technologies | 15 | Expired |
| US4508851A | Fibrous activated carbon and process of producing it | Textiles; Paper | 14 | Expired |
| US4482660A | Prepreg for making a composite having high elongation and heat resistance and process for making such composite with the prepreg | Chemistry; Metallurgy | 13 | Expired |
| US4443726A | Brushes and method for the production thereof | Electricity | 13 | Expired |
| US4256607A | Process for production of activated carbon fibers | Textiles; Paper | 12 | Expired |
| US4321446A | Apparatus for production of graphite fibers | Electricity | 12 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.