Takayuki Watanabe
268Patents
25h-index
274Co-inventors
93Inventor score
Filing activity: Jun 18, 1982 → Dec 5, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4978778A | Process for producing vinyl acetate | Chemistry; Metallurgy | 93 | Expired |
| US6235825A | Polylactic acid resin composition and film therefrom | Chemistry; Metallurgy | 90 | Expired |
| USD448569S | Bristle head for a toothbrush | General | 81 | Expired |
| US6220762A | Collective connection structure of a plurality of optical connectors, optical connector arraying member, and adapter | Physics | 71 | Expired |
| USD478424S1 | Toothbrush | General | 69 | Expired |
| US6065176A | Toothbrush | Emerging Cross-Sectional Technologies | 63 | Expired |
| USD448571S | Toothbrush | General | 53 | Expired |
| US6937681B2 | Skew correction apparatus | Electricity | 51 | Expired |
| USD448174S | Toothbrush | General | 51 | Expired |
| US5991957A | Toothbrush | Emerging Cross-Sectional Technologies | 49 | Expired |
| US5853662A | Method for preserving polished inorganic glass and method for preserving article obtained by using the same | Performing Operations; Transporting | 43 | Expired |
| US7039984B1 | Handle for tooth cleaning member | Human Necessities | 42 | Expired |
| US4983238A | Method for manufacturing a thermoplastic container with a label | Emerging Cross-Sectional Technologies | 40 | Expired |
| US5056002A | Cache memory for use with multiprocessor systems | Physics | 39 | Expired |
| USD448570S | Toothbrush | General | 36 | Expired |
| US6756331B2 | Lactic-acid base resin composition and molded articles made therefor | Emerging Cross-Sectional Technologies | 35 | Expired |
| US6136905A | L-lactic acid polymer composition, molded product and film | Chemistry; Metallurgy | 35 | Expired |
| US5691424A | Heat-resistant molded article of lactic acid-base polymer | Chemistry; Metallurgy | 34 | Expired |
| US5530785A | Optical fiber cable fixing structure and cable holder used for fixing the cable | Physics | 33 | Expired |
| US5294469A | Industrial woven fabric and composite sheet comprising same | Emerging Cross-Sectional Technologies | 33 | Expired |
| USD448171S | Bristle head for a toothbrush | General | 29 | Expired |
| USD480562S1 | Bristled head for a toothbrush | General | 29 | Expired |
| US5251719A | Active torque-split control system for actively distributing driving torques applied to wheels in four-wheel drive vehicles | Performing Operations; Transporting | 28 | Expired |
| US5916950A | Resin composition and molded articles thereof | Chemistry; Metallurgy | 26 | Expired |
| US5804074A | Porous plastic filter and process for its production | Emerging Cross-Sectional Technologies | 25 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.