Hitoshi Sakai
68Patents
13h-index
113Co-inventors
87Inventor score
Filing activity: Oct 24, 1978 → Oct 4, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5174785A | Low insertion-withdrawal force electric connector | Electricity | 49 | Expired |
| US5605472A | Connector fitting detection mechanism | Electricity | 39 | Expired |
| US5551892A | Water-proof connector and dummy plug for water-proof connector | Electricity | 33 | Expired |
| US5707251A | Waterproof stopper for waterproof connectors | Electricity | 27 | Expired |
| US5431573A | Connector usable with a low intensity of insert power | Electricity | 27 | Expired |
| US4921448A | Connector terminal retainer construction | Electricity | 26 | Expired |
| US5643018A | Terminal for waterproof connectors | Electricity | 25 | Expired |
| US5637007A | Connector device | Emerging Cross-Sectional Technologies | 22 | Expired |
| US5496798A | Superconducting tube for shielding magnetic fields | Emerging Cross-Sectional Technologies | 19 | Expired |
| US5335413A | Connector terminal inspection device and inspection method | Emerging Cross-Sectional Technologies | 19 | Expired |
| US5500999A | Terminal crimping device | Emerging Cross-Sectional Technologies | 16 | Expired |
| US5380218A | Pressure-contact terminal structure | Electricity | 13 | Expired |
| US5089468A | Process for producing bismuth-based superconducting oxide | Emerging Cross-Sectional Technologies | 13 | Expired |
| US5230636A | Terminal protection type connector | Electricity | 12 | Expired |
| US5722857A | Connector equipped with insertion detecting member for terminal metal parts | Electricity | 12 | Expired |
| US5254021A | Electrical terminal | Electricity | 11 | Expired |
| US5931700A | Connector equipped with an insertion detecting member for terminal lugs | Electricity | 11 | Expired |
| US5941737A | Double retaining connector | Electricity | 10 | Expired |
| US5189788A | Metal terminal locking method and device | Emerging Cross-Sectional Technologies | 10 | Expired |
| US5202305A | Superconducting structure for magnetic shielding | Emerging Cross-Sectional Technologies | 9 | Expired |
| US5679019A | Waterproof tap cover for waterproof connector | Electricity | 9 | Expired |
| US5292716A | Oxide superconducting material and process for producing the same | Emerging Cross-Sectional Technologies | 9 | Expired |
| US5439385A | Connector for circuit board | Electricity | 9 | Expired |
| US5676373A | Packing with sealing chambers | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US5399097A | Terminal with cramp member | Electricity | 8 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.