Yuji Matsui
34Patents
8h-index
66Co-inventors
78Inventor score
Filing activity: May 16, 1986 → Apr 20, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4725484A | Dimensionally stable polyimide film and process for preparation thereof | Emerging Cross-Sectional Technologies | 25 | Expired |
| US5168306A | Exposure apparatus | Physics | 17 | Expired |
| US5078474A | Exposure apparatus having a magnifying lens system | Electricity | 12 | Expired |
| US5046796A | Apparatus for correcting scanning beams on basis of tilting of surface segments of polygonal mirror used in scanning pattern drawing apparatus | Electricity | 12 | Expired |
| US4797307A | Process for the preparation of polyimide film | Emerging Cross-Sectional Technologies | 12 | Expired |
| US5062692A | Exposure apparatus | Electricity | 9 | Expired |
| US5221291A | Abrasive sheet and process for producing same | Performing Operations; Transporting | 8 | Expired |
| US7664342B2 | Information processing system, information processing apparatus, and method | Electricity | 8 | Expired |
| US7836477B2 | Information processing system, information processing apparatus and method | Electricity | 6 | Active |
| US5043566A | Monitor mechanism for use with a scanning optical apparatus with composite drawing a monitoring beams | Electricity | 6 | Expired |
| US7279193B2 | Beverages containing catechins | Human Necessities | 5 | Expired |
| US7568221B2 | Information processing system, information processing apparatus and method | Electricity | 4 | Expired |
| US5027137A | Drawing surface adjusting mechanism for use with scanning pattern drawing apparatus | Physics | 4 | Expired |
| US8124173B2 | Process for packaging electronic devices | Emerging Cross-Sectional Technologies | 2 | Active |
| US7323205B2 | Production process of packaged green tea beverages | Human Necessities | 1 | Expired |
| US5117106A | Scanning pattern drawing apparatus | Electricity | 1 | Expired |
| US8776565B2 | Evaluation method of residual stress in water jet peening and method of executing water jet peening | Chemistry; Metallurgy | 1 | Active |
| US8734884B2 | Roasted coffee bean extract | Human Necessities | 1 | Active |
| US5017949A | Table assembly for pattern drawing apparatus | Electricity | 1 | Expired |
| US5093561A | Drawing surface adjusting mechanism for scanning pattern drawing apparatus | Physics | 1 | Expired |
| US8387427B2 | Water jet peening method and apparatus thereof | Chemistry; Metallurgy | 1 | Active |
| US5164792A | Movement measuring interferometer and driving system | Physics | 1 | Expired |
| US11974042B2 | Signal processing device and signal processing method | Electricity | 0 | Active |
| US9753017B2 | Ultrasonic observation equipment, ultrasonic observation system, and ultrasonic observation method | Emerging Cross-Sectional Technologies | 0 | Active |
| US9560257B2 | Information processing system, information processing apparatus and method | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.