Takahiro Nagata
46Patents
8h-index
79Co-inventors
78Inventor score
Filing activity: May 18, 1989 → Oct 27, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6353693B1 | Optical communication device and slip ring unit for an electronic component-mounting apparatus | Electricity | 170 | Expired |
| US6409965B1 | Sputtering target and its manufacturing method | Chemistry; Metallurgy | 63 | Expired |
| US5936417A | Test head for IC tester | Physics | 56 | Expired |
| US6646455B2 | Test probe for semiconductor devices, method of manufacturing of the same, and member for removing foreign matter | Physics | 42 | Expired |
| US4945841A | Apparatus or method for carrying out combustion in a furnace | Emerging Cross-Sectional Technologies | 35 | Expired |
| US6888344B2 | Test probe for semiconductor devices, method of manufacturing of the same, and member for removing foreign matter | Physics | 20 | Expired |
| US6260898A | Mounting head for electronic component-mounting apparatus | Emerging Cross-Sectional Technologies | 12 | Expired |
| US6101707A | Mounting head for electronic component-mounting apparatus | Emerging Cross-Sectional Technologies | 8 | Expired |
| US7348978B2 | Image processing | Physics | 8 | Expired |
| US5276355A | Change-over circuit for tester implemented by using diode-bridge type analog switches | Physics | 6 | Expired |
| US7581310B2 | Electronic component mounting apparatus | Emerging Cross-Sectional Technologies | 4 | Expired |
| US6441621B2 | Waveform observing jig and waveform observing device | Physics | 3 | Expired |
| US10317430B2 | Contactor with a plurality of springs and contact point portions urged by the springs | Physics | 3 | Active |
| US11504700B2 | Exhaust gas purification catalyst | Mechanical Engineering; Lighting; Heating | 3 | Active |
| US6393336B1 | Nozzle clogging detection device and method | Physics | 3 | Expired |
| US7772864B2 | Contact probe with reduced voltage drop and heat generation | Physics | 2 | Active |
| US8338051B2 | Electrode catalyst for fuel cell, method for producing the same, and fuel cell using the electrode catalyst | Emerging Cross-Sectional Technologies | 2 | Active |
| US8178260B2 | Fuel cell electrode catalyst with reduced noble metal amount and solid polymer fuel cell comprising the same | Emerging Cross-Sectional Technologies | 1 | Active |
| US10024883B2 | Contact unit and inspection jig | Physics | 1 | Active |
| US6490784B1 | Automatic electronic component-mounting apparatus | Emerging Cross-Sectional Technologies | 1 | Expired |
| US9334188B2 | Method for processing glass plate | Chemistry; Metallurgy | 1 | Active |
| US10273553B2 | Cooling device and multi-chamber heat treatment device | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US7910512B2 | Production process of electrode catalyst for fuel cell | Emerging Cross-Sectional Technologies | 1 | Active |
| US8372562B2 | Conductive carbon carrier for fuel cell, electrode catalyst for fuel cell and solid polymer fuel cell comprising same | Emerging Cross-Sectional Technologies | 1 | Active |
| US10712383B2 | Inspection jig | Physics | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.