Tsuyoshi Nakano
61Patents
11h-index
66Co-inventors
81Inventor score
Filing activity: Jan 8, 1980 → Apr 6, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5317169A | Organic electroluminescence device | Electricity | 187 | Expired |
| US4733461A | Method of stacking printed circuit boards | Emerging Cross-Sectional Technologies | 156 | Expired |
| US6447958B1 | Non-aqueous electrolyte battery separator | Emerging Cross-Sectional Technologies | 99 | Expired |
| US7935984B2 | Compound semiconductor epitaxial substrate and method for producing the same | Electricity | 95 | Active |
| US5726457A | Organic electroluminescence device | Electricity | 50 | Expired |
| US4327698A | Exhaust gas recirculating device | Mechanical Engineering; Lighting; Heating | 29 | Expired |
| US4852041A | Interface converter | Electricity | 25 | Expired |
| US6671960B2 | Electric rotary shaver | Performing Operations; Transporting | 16 | Expired |
| US6581289B2 | Inner cutter for an electric rotary shaver and an electric rotary shaver | Performing Operations; Transporting | 15 | Expired |
| US6823590B2 | Electric rotary shaver | Performing Operations; Transporting | 14 | Expired |
| US4839964A | Fixing structure of blade force up spring for clothes shaver and electric shaver | Performing Operations; Transporting | 12 | Expired |
| USD361864S | Electric shaver | General | 11 | Expired |
| US5561011A | Method for manufacturing a substrate having window-shaped coating films and frame-shaped coating film on the surface thereof | Electricity | 11 | Expired |
| US5064572A | Poly (long-chain nuclear substituted phenylene vinylene), precursor therefor and highly conductive composition thereof | Electricity | 11 | Expired |
| US9020682B2 | Autonomous mobile body | Physics | 10 | Active |
| US8897917B2 | Autonomous mobile device | Physics | 9 | Active |
| US8897947B2 | Autonomous mobile device | Emerging Cross-Sectional Technologies | 9 | Active |
| US6460252B1 | Rotary electric shaver | Performing Operations; Transporting | 8 | Expired |
| US7356929B2 | Rotary type electric shaver | Performing Operations; Transporting | 8 | Expired |
| US8676429B2 | Autonomous mobile device | Physics | 8 | Active |
| US6647626B2 | Electric rotary shaver | Performing Operations; Transporting | 8 | Expired |
| US8272466B2 | Robot | Performing Operations; Transporting | 8 | Active |
| US8306684B2 | Autonomous moving apparatus | Physics | 8 | Active |
| US5725976A | Method for manufacture of a color filter | Physics | 7 | Expired |
| US5394611A | Electric razor | Performing Operations; Transporting | 6 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.