Yuji Kasai
30Patents
6h-index
47Co-inventors
69Inventor score
Filing activity: Dec 19, 1988 → Dec 22, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6844739B2 | Maximum power point tracking method and device | Emerging Cross-Sectional Technologies | 294 | Expired |
| US6583413B1 | Method of inspecting a circuit pattern and inspecting instrument | Electricity | 62 | Expired |
| US6637008B1 | Electronic holding circuit and adjusting method thereof using a probabilistic searching technique | Electricity | 16 | Expired |
| US7098455B2 | Method of inspecting a circuit pattern and inspecting instrument | Electricity | 13 | Expired |
| US6781682B1 | Optical apparatus, optical apparatus adjustment method, and storage medium recorded with a processing program that executes said adjustment method | Physics | 8 | Expired |
| US6861848B2 | Capacitance position sensor and position controller equipped with the sensor | Electricity | 6 | Expired |
| US8890068B2 | Charged particle ray apparatus and pattern measurement method | Electricity | 6 | Active |
| US7397031B2 | Method of inspecting a circuit pattern and inspecting instrument | Electricity | 5 | Active |
| US7447289B2 | Signal timing adjustment device, signal timing adjustment system, signal timing adjustment amount setting program, and storage medium storing the program | Electricity | 4 | Active |
| US7529528B2 | Power consumption controlling apparatus for high frequency amplifier | Electricity | 4 | Active |
| US6879388B2 | Optical apparatus, optical apparatus adjustment method, and storage medium recorded with a processing program that executes said adjustment method | Physics | 3 | Expired |
| US4957196A | Coin-operated locker | Emerging Cross-Sectional Technologies | 3 | Expired |
| US6441394B2 | Intrinsic Josephson superconducting tunnel junction device | Emerging Cross-Sectional Technologies | 3 | Expired |
| US7274238B2 | Digital circuit having delay circuit for adjustment of clock signal timing | Electricity | 2 | Expired |
| US7295032B2 | High-speed signal transmission system | Electricity | 2 | Expired |
| US10654654B2 | Suction device | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US5886778A | Method of measuring atomic beam flux rate in film growth apparatus | Physics | 2 | Expired |
| US7583749B2 | Digital data transmitting apparatus | Electricity | 2 | Expired |
| US7248095B2 | Bus driver with well voltage control section | Electricity | 2 | Expired |
| US8686380B2 | Charged particle beam apparatus | Electricity | 1 | Active |
| US10643881B2 | Baffle plate | Performing Operations; Transporting | 1 | Active |
| US10189166B2 | Suction equipment | Performing Operations; Transporting | 1 | Active |
| US7514683B2 | Scanning electron microscope | Electricity | 1 | Active |
| US11008180B2 | Swirl flow-forming body and suction device | Performing Operations; Transporting | 1 | Active |
| US8493991B2 | Serial bus transmission system | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.