Hidehiko Fujioka
33Patents
13h-index
37Co-inventors
81Inventor score
Filing activity: Jun 23, 1986 → Aug 28, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4774055A | Automatic analysis apparatus | Emerging Cross-Sectional Technologies | 229 | Expired |
| US5026239A | Mask cassette and mask cassette loading device | Emerging Cross-Sectional Technologies | 68 | Expired |
| US6644730B2 | Storage type seat for automobile and seat storage structure | Performing Operations; Transporting | 51 | Expired |
| US5134436A | Exposure control method for adjusting the temperature of a workpiece holding chuck attracting surface based on memorized data | Electricity | 37 | Expired |
| US7328954B2 | Reclining mechanism of a reclining seat | Performing Operations; Transporting | 34 | Active |
| US5593800A | Mask manufacturing method and apparatus and device manufacturing method using a mask manufactured by the method or apparatus | Physics | 31 | Expired |
| US4963921A | Device for holding a mask | Physics | 24 | Expired |
| US5871587A | Processing system for semiconductor device manufacture of otherwise | Physics | 24 | Expired |
| US7025419B2 | Seat mechanism for vehicle | Performing Operations; Transporting | 22 | Expired |
| US5253012A | Substrate holding apparatus for vertically holding a substrate in an exposure apparatus | Physics | 19 | Expired |
| US5828572A | Processing System and semiconductor device production method using the same including air conditioning control in operational zones | Electricity | 19 | Expired |
| US5467637A | Method of measuring gas purity information, chamber unit and exposure unit using the method and a device production method | Physics | 15 | Expired |
| US5574556A | Stage mechanism in exposure apparatus | Physics | 15 | Expired |
| US5356686A | X-ray mask structure | Emerging Cross-Sectional Technologies | 12 | Expired |
| US8251336B2 | Seat track mechanism for vehicle | Mechanical Engineering; Lighting; Heating | 11 | Active |
| US5746562A | Processing system and device manufacturing method using the same | Electricity | 9 | Expired |
| US8800947B2 | Stepped lowering device and stepped lifter device | Emerging Cross-Sectional Technologies | 9 | Active |
| US7722121B2 | Reclining device | Performing Operations; Transporting | 8 | Expired |
| US5641264A | Substrate conveying device and method of controlling the same | Emerging Cross-Sectional Technologies | 6 | Expired |
| US6406245B2 | Processing system and device manufacturing method using the same | Electricity | 5 | Expired |
| US8297583B2 | Seat track mechanism for vehicle | Mechanical Engineering; Lighting; Heating | 5 | Active |
| US10427576B2 | Seat reclining apparatus | Performing Operations; Transporting | 3 | Active |
| US10029588B2 | Seat reclining apparatus | Performing Operations; Transporting | 3 | Active |
| US8408649B2 | Walk-in seat | Performing Operations; Transporting | 3 | Active |
| US10112507B2 | Seat reclining apparatus | Performing Operations; Transporting | 3 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.