Tsuyoshi Nonaka
29Patents
11h-index
24Co-inventors
75Inventor score
Filing activity: Sep 9, 1990 → Jan 9, 2016
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5518437A | Toy top and drive unit for spinning the top | Human Necessities | 49 | Expired |
| US5524164A | Coated tape form optical fiber wire | Physics | 47 | Expired |
| US5621838A | Resins for coated optical fiber units | Physics | 24 | Expired |
| USD356347S | Top | General | 22 | Expired |
| US5091984A | Optical switch for use with optical fibers | Physics | 21 | Expired |
| US5432873A | Optical switch | Physics | 19 | Expired |
| US5108200A | Coupler-type optical switch and process for producing the same | Physics | 18 | Expired |
| USD353632S | Top | General | 18 | Expired |
| US5446821A | Coated optical fiber | Physics | 17 | Expired |
| US5639512A | Plastic optical fiber preform, and process and apparatus for producing the same | Emerging Cross-Sectional Technologies | 16 | Expired |
| US5614253A | Plastic optical fiber preform, and process and apparatus for producing the same | Emerging Cross-Sectional Technologies | 14 | Expired |
| USD353633S | Top spinner | General | 11 | Expired |
| US5330786A | Method of manufacturing color-coated optical fibers | Chemistry; Metallurgy | 8 | Expired |
| US5916495A | Plastic optical fiber preform, and process and apparatus for producing the same | Emerging Cross-Sectional Technologies | 8 | Expired |
| US5851666A | Plastic optical fiber preform, and process and apparatus for producing the same | Emerging Cross-Sectional Technologies | 7 | Expired |
| USD353848S | Top spinner | General | 4 | Expired |
| US9824806B2 | Coil, rotating electrical machine, and method of manufacturing coil | Electricity | 4 | Active |
| US5891570A | Plastic optical fiber preform having a jacket layer | Emerging Cross-Sectional Technologies | 3 | Expired |
| US8502078B2 | Flame-retardant composition, insulated electric wire, and wiring harness using the same | Chemistry; Metallurgy | 2 | Active |
| US7952029B2 | Insulated wire and a wiring harness | Electricity | 1 | Active |
| US9000300B2 | Insulated wire | Chemistry; Metallurgy | 1 | Active |
| USD378769S | Top spinner | General | 1 | Expired |
| US8907003B2 | Flame retardant, flame-retardant resin composition, and insulated wire | Electricity | 0 | Active |
| US6783921B2 | Method for etching laminated assembly including polyimide layer | Emerging Cross-Sectional Technologies | 0 | Expired |
| US8859900B2 | Flame-retardant composition, covered electric wire, and wiring harness | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.