Hirofumi Fukuoka
36Patents
12h-index
38Co-inventors
81Inventor score
Filing activity: Sep 1, 1988 → Jan 28, 2016
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5414443A | Drive device for driving a matrix-type LCD apparatus | Physics | 181 | Expired |
| US7037581B2 | Conductive silicon composite, preparation thereof, and negative electrode material for non-aqueous electrolyte secondary cell | Emerging Cross-Sectional Technologies | 87 | Expired |
| US5111195A | Driving circuit for a matrix type display device | Physics | 40 | Expired |
| US7358011B2 | Non-aqueous electrolyte secondary battery negative electrode material, making method, and lithium ion secondary battery | Emerging Cross-Sectional Technologies | 40 | Expired |
| US7776473B2 | Silicon-silicon oxide-lithium composite, making method, and non-aqueous electrolyte secondary cell negative electrode material | Emerging Cross-Sectional Technologies | 39 | Active |
| US5412397A | Driving circuit for a matrix type display device | Physics | 35 | Expired |
| US9608262B2 | Silicon composite, making method, and non-aqueous electrolyte secondary cell negative electrode material | Emerging Cross-Sectional Technologies | 26 | Active |
| US7790316B2 | Silicon composite particles, preparation thereof, and negative electrode material for non-aqueous electrolyte secondary cell | Emerging Cross-Sectional Technologies | 26 | Active |
| US7658863B2 | Si-C-O composite, making method, and non-aqueous electrolyte secondary cell negative electrode material | Emerging Cross-Sectional Technologies | 23 | Active |
| US4904079A | Liquid crystal display device for overhead projector | Emerging Cross-Sectional Technologies | 18 | Expired |
| US6893621B2 | Lithium-containing silicon oxide powder and making method | Emerging Cross-Sectional Technologies | 18 | Expired |
| US6759160B2 | Silicon oxide powder and making method | Emerging Cross-Sectional Technologies | 18 | Expired |
| US5573689A | Fluidized bed reactor for preparing metal nitride | Chemistry; Metallurgy | 12 | Expired |
| US5059963A | Two-level display device with hatching control means | Electricity | 10 | Expired |
| US5583531A | Method of driving a display apparatus | Physics | 10 | Expired |
| US8105718B2 | Non-aqueous electrolyte secondary battery, negative electrode material, and making method | Emerging Cross-Sectional Technologies | 8 | Active |
| US6821495B2 | Method for the continuous production of silicon oxide powder | Emerging Cross-Sectional Technologies | 6 | Expired |
| US6685906B2 | Silicon oxide containing active silicon and its evaluation | Emerging Cross-Sectional Technologies | 5 | Expired |
| US5073358A | Preparation of silicon nitride powder | Chemistry; Metallurgy | 5 | Expired |
| US5456896A | Preparation of high alpha-type silicon nitride powder | Chemistry; Metallurgy | 4 | Expired |
| US6239304A | Process for preparing organohalosilanes | Chemistry; Metallurgy | 4 | Expired |
| US5232677A | Preparation of silicon nitride powder by partially nitriding in a fluidized bed and then completing nitridation in a moving bed | Chemistry; Metallurgy | 3 | Expired |
| US5817285A | Continuous preparation of silicon nitride powder | Chemistry; Metallurgy | 3 | Expired |
| US5611388A | Method of and apparatus for low-pressure casting | Performing Operations; Transporting | 3 | Expired |
| US5441694A | Preparation of high .alpha.-type silicon nitride powder | Chemistry; Metallurgy | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.