Hiroshi Itafuji
35Patents
7h-index
25Co-inventors
69Inventor score
Filing activity: Jan 28, 1993 → Mar 1, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5819782A | Gas supply unit | Emerging Cross-Sectional Technologies | 76 | Expired |
| US5368062A | Gas supplying system and gas supplying apparatus | Emerging Cross-Sectional Technologies | 61 | Expired |
| US6152175A | Process gas supply unit | Emerging Cross-Sectional Technologies | 26 | Expired |
| USD742494S1 | Vaporization device for a vaporization unit of a liquid control apparatus | General | 24 | Active |
| US6109303A | Process gas supply unit | Emerging Cross-Sectional Technologies | 15 | Expired |
| US8210196B2 | Vacuum control system and vacuum control method | Emerging Cross-Sectional Technologies | 8 | Active |
| US6062605A | Weldless joint | Mechanical Engineering; Lighting; Heating | 7 | Expired |
| US8361231B2 | Liquid vaporization system | Performing Operations; Transporting | 6 | Active |
| US8581220B2 | Target supply apparatus, control system, control apparatus and control circuit thereof | Electricity | 5 | Active |
| USD366928S | Air operated valve | General | 5 | Expired |
| USD368130S | Air operated valve | General | 5 | Expired |
| US8104516B2 | Gas supply unit and gas supply system | Emerging Cross-Sectional Technologies | 4 | Active |
| US8840049B2 | Liquid ejecting apparatus | Performing Operations; Transporting | 3 | Active |
| US8544350B2 | Sample injector | Physics | 3 | Active |
| US9192038B2 | Target supply apparatus, control system, control apparatus and control circuit thereof | Electricity | 3 | Active |
| USD379844S | Air operated valve | General | 2 | Expired |
| US8544500B2 | Coupling apparatus for chemical fluid flow channel | Emerging Cross-Sectional Technologies | 2 | Active |
| US8573560B2 | Vacuum control valve and vacuum control system | Emerging Cross-Sectional Technologies | 2 | Active |
| US8590942B2 | Connected structure of vacuum double pipe, vacuum double pipe, and joint of vacuum double pipe | Electricity | 2 | Active |
| US8807014B2 | Multi-layer diaphragm | Emerging Cross-Sectional Technologies | 2 | Active |
| US9234595B2 | Vacuum control valve and vacuum control apparatus | Electricity | 1 | Active |
| USD377522S | Gas feeder | General | 1 | Expired |
| USD736901S1 | Vaporization device for a vaporization unit of a liquid control apparatus | General | 1 | Active |
| US9234586B2 | Linear actuator and vacuum control device | Mechanical Engineering; Lighting; Heating | 1 | Active |
| USD367516S | Air operated valve | General | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.