Kouji Matsunaga
25Patents
13h-index
45Co-inventors
81Inventor score
Filing activity: Nov 27, 1996 → May 23, 2016
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6281691A | Tip portion structure of high-frequency probe and method for fabrication probe tip portion composed by coaxial cable | Emerging Cross-Sectional Technologies | 106 | Expired |
| US6400168B2 | Method for fabricating probe tip portion composed by coaxial cable | Emerging Cross-Sectional Technologies | 105 | Expired |
| US6310483A | Longitudinal type high frequency probe for narrow pitched electrodes | Physics | 104 | Expired |
| US6492669B2 | Semiconductor device with schottky electrode having high schottky barrier | Electricity | 72 | Expired |
| US6465814B2 | Semiconductor device | Electricity | 61 | Expired |
| US5839879A | Centrifugal blower | Mechanical Engineering; Lighting; Heating | 39 | Expired |
| US5813831A | Centrifugal blower having a bell-mouth ring for reducing noise | Mechanical Engineering; Lighting; Heating | 37 | Expired |
| US6299409A | Centrifugal type blower unit | Mechanical Engineering; Lighting; Heating | 32 | Expired |
| US6769876B2 | Centrifugal ventilator fan | Emerging Cross-Sectional Technologies | 25 | Expired |
| US6821088B2 | Centrifugal blower having noise-reduction structure | Mechanical Engineering; Lighting; Heating | 21 | Expired |
| US6242930A | High-frequency probe capable of adjusting characteristic impedance in end part and having the end part detachable | Physics | 17 | Expired |
| US6644559B2 | Vehicle air conditioner with foot air-outlet structure | Performing Operations; Transporting | 13 | Expired |
| US5746577A | Centrifugal-type blower | Mechanical Engineering; Lighting; Heating | 13 | Expired |
| US6030286A | Centrifugal blower having a plurality of sub blades | Mechanical Engineering; Lighting; Heating | 10 | Expired |
| US6440822B1 | Method of manufacturing semiconductor device with sidewall metal layers | Electricity | 10 | Expired |
| US6575701B2 | Blower for vehicle | Performing Operations; Transporting | 9 | Expired |
| US6755046B2 | Vehicle air conditioner with heat pump refrigerant cycle | Mechanical Engineering; Lighting; Heating | 7 | Expired |
| US6486688B2 | Semiconductor device testing apparatus having a contact sheet and probe for testing high frequency characteristics | Physics | 5 | Expired |
| US7377554B2 | Seal structure for vehicle air conditioner | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US6640571B2 | Air conditioning apparatus for vehicle | Performing Operations; Transporting | 3 | Expired |
| US6675598B2 | Vehicle air conditioner with arrangement structure of face ducts | Performing Operations; Transporting | 3 | Expired |
| US6625994B2 | Vehicle air conditioning air duct system | Performing Operations; Transporting | 3 | Expired |
| US6229321A | Process for manufacturing high frequency multichip module enabling independent test of bare chip | Electricity | 1 | Expired |
| US7688134B2 | Transimpedance amplifier | Electricity | 1 | Active |
| US10639969B2 | Air conditioner for vehicle | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.