Osamu Funayama
22Patents
11h-index
26Co-inventors
75Inventor score
Filing activity: Apr 9, 1986 → Jul 20, 2006
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4659850A | Polyorgano(hydro)silazane and process for producing same | Chemistry; Metallurgy | 32 | Expired |
| US5030744A | Polyborosilazane and process for producing same | Chemistry; Metallurgy | 23 | Expired |
| US5145812A | Molded articles formed of silicon nitride based ceramic and process for producing same | Chemistry; Metallurgy | 22 | Expired |
| US4818611A | High-purity silicon nitride fibers | Emerging Cross-Sectional Technologies | 22 | Expired |
| US4886860A | Polymetalosilazane and process for preparing same | Chemistry; Metallurgy | 19 | Expired |
| US5905130A | Process for the production of polysilazane | Chemistry; Metallurgy | 19 | Expired |
| US5292830A | Thermosetting copolymers, silicon carbide-based fiber and processes for producing same | Emerging Cross-Sectional Technologies | 18 | Expired |
| US5128286A | Boron-containing, silicon nitride-based ceramic shaped body | Chemistry; Metallurgy | 16 | Expired |
| US4975512A | Reformed polysilazane and method of producing same | Chemistry; Metallurgy | 14 | Expired |
| US4869858A | Processes for producing polysiloxazanes and silicon oxynitride fibers | Chemistry; Metallurgy | 12 | Expired |
| US6011167A | Polyorganosiloxazanes and process for the preparation thereof | Chemistry; Metallurgy | 11 | Expired |
| US5436398A | Polymetalosilazane, process of producing same, silicon nitride based ceramic, and process of preparing same | Chemistry; Metallurgy | 10 | Expired |
| US5032551A | Silicon nitride based ceramic fibers, process of preparing same and composite material containing same | Textiles; Paper | 9 | Expired |
| US6310168A | Aminated polysilazane and process for the preparation thereof | Chemistry; Metallurgy | 8 | Expired |
| US8549317B2 | Authentication method, authentication apparatus and authentication program storage medium | Physics | 7 | Active |
| US7188239B2 | Apparatus with a standby mode, program and control method for an apparatus with a standby mode | Emerging Cross-Sectional Technologies | 7 | Expired |
| US4861569A | Reformed, inorganic polysilazane and method of producing same | Chemistry; Metallurgy | 5 | Expired |
| US4965058A | Polysiloxazanes, silicon oxynitride fibers and processes for producing same | Chemistry; Metallurgy | 4 | Expired |
| US7396568B2 | Hydrophilicity promoting and maintaining agent for polysilazane-containing coating films and method of using same | Chemistry; Metallurgy | 3 | Expired |
| US5166104A | Polysiloxazanes, silicon oxynitride fibers and processes for producing same | Chemistry; Metallurgy | 3 | Expired |
| US5079323A | Polysiloxazanes, silicon oxynitride fibers and processes for producing same | Chemistry; Metallurgy | 2 | Expired |
| US4933160A | Reformed, inorganic polysilazane | Chemistry; Metallurgy | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.