Hitoshi Masuda
14Patents
7h-index
28Co-inventors
66Inventor score
Filing activity: Sep 29, 1982 → Jul 15, 2005
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD353808S | Portable radio phone | General | 44 | Expired |
| US4827516A | Method of analyzing input speech and speech analysis apparatus therefor | Physics | 42 | Expired |
| US5335274A | Extendable telephone | Electricity | 30 | Expired |
| US5196066A | Facing material spray apparatus | Performing Operations; Transporting | 30 | Expired |
| USD281974S | Mobile radio transceiver | General | 23 | Expired |
| US5252305A | Process of recovering platinum group metal | Emerging Cross-Sectional Technologies | 13 | Expired |
| US5867370A | Plastic shield enclosure and method of producing the same | Electricity | 10 | Expired |
| US5568529A | Signal disconnection monitor apparatus and signal period detection apparatus therefor | Physics | 6 | Expired |
| US6475450B1 | Method of leaching zinc concentrate | Emerging Cross-Sectional Technologies | 5 | Expired |
| US4517096A | Method of selective separation and concentration of gallium and/or indium from solutions containing low levels of them and high levels of other metal ions | Emerging Cross-Sectional Technologies | 5 | Expired |
| US4614586A | Semipermeable polymeric film membrane | Emerging Cross-Sectional Technologies | 4 | Expired |
| US4919624A | Connection terminal structure of electronic equipment | Electricity | 2 | Expired |
| US6947626B2 | Optical cross-connect device | Electricity | 0 | Expired |
| US7013060B2 | Optical cross-connect device | Electricity | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.