Yasushi Matsuda
26Patents
8h-index
47Co-inventors
75Inventor score
Filing activity: Oct 19, 1981 → Oct 9, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7436863B2 | Fiber laser beam processing apparatus | Electricity | 26 | Active |
| US9240330B2 | Method of manufacturing a semiconductor integrated circuit device | Electricity | 16 | Active |
| US6559027B2 | Semiconductor device and process for producing the sme | Electricity | 15 | Expired |
| US6242323A | Semiconductor device and process for producing the same | Electricity | 15 | Expired |
| US6226079A | Defect assessing apparatus and method, and semiconductor manufacturing method | Physics | 15 | Expired |
| US6057241A | Method of manufacturing a semiconductor integrated circuit device | Electricity | 13 | Expired |
| US6491281B1 | Mold assembly for producing ophthalmic lens article | Emerging Cross-Sectional Technologies | 10 | Expired |
| US5944917A | Stainless steel for ozone added water and manufacturing method thereof | Chemistry; Metallurgy | 8 | Expired |
| US6881646B2 | Semiconductor device and process for producing the same | Electricity | 7 | Expired |
| US9662601B2 | Blended filament nonwoven fabric | Emerging Cross-Sectional Technologies | 4 | Active |
| US5631917A | Laser apparatus | Electricity | 4 | Expired |
| US8951338B2 | Air filter material using laminated electret nonwoven fabric | Emerging Cross-Sectional Technologies | 4 | Active |
| US4432321A | Fuel injection pump device for internal combustion engine | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US9290868B2 | Biodegradable nonwoven fabric and fiber product using the same | Emerging Cross-Sectional Technologies | 2 | Active |
| US10448727B2 | Cosmetic facial mask | Human Necessities | 2 | Active |
| US9556539B2 | Shrinkable fiber for porous molded body | Emerging Cross-Sectional Technologies | 1 | Active |
| US7359411B2 | Fiber laser oscillator and fiber laser processing apparatus | Physics | 1 | Active |
| US10052840B2 | Laminated non-woven fabric, and manufactured article using the same | Emerging Cross-Sectional Technologies | 1 | Active |
| US7402473B2 | Semiconductor device and process for producing the same | Electricity | 1 | Expired |
| US6220220A | Fuel supplying device for engine | Mechanical Engineering; Lighting; Heating | 1 | Expired |
| US10759141B2 | Stretchable laminated sheet | Emerging Cross-Sectional Technologies | 0 | Active |
| US7401630B2 | Wheelchair, wheel for wheelchair, and method of producing wheel for wheelchair | Performing Operations; Transporting | 0 | Expired |
| US7489711B2 | Laser beam processing apparatus | Performing Operations; Transporting | 0 | Active |
| US12200919B2 | Laminate, coating member having same, and laminate manufacturing method | Performing Operations; Transporting | 0 | Active |
| US7430225B2 | Fiber laser beam processing apparatus | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.