Hirohisa Yoshida
11Patents
4h-index
29Co-inventors
56Inventor score
Filing activity: Jun 1, 1990 → Jul 22, 2005
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6007681A | Apparatus and method for treating exhaust gas and pulse generator used therefor | Performing Operations; Transporting | 44 | Expired |
| US5251831A | Roller mill | Performing Operations; Transporting | 14 | Expired |
| US5657877A | Rotary classifier for a roller mill | Performing Operations; Transporting | 6 | Expired |
| US6363881B2 | Plasma chemical vapor deposition apparatus | Electricity | 5 | Expired |
| US6274006A | Apparatus and method for treating exhaust gas and pulse generator used therefor | Performing Operations; Transporting | 3 | Expired |
| US6344701B1 | Pulse generator for treating exhaust gas | Performing Operations; Transporting | 3 | Expired |
| US7387650B2 | Fuel cell power generation system and method for operating the same | Emerging Cross-Sectional Technologies | 1 | Expired |
| US7479169B2 | Gas supplying system and gas supplying method | Emerging Cross-Sectional Technologies | 1 | Active |
| US5544818A | Pulverizing method and horizontal mill | Performing Operations; Transporting | 1 | Expired |
| US5045227A | Liquid crystal cell | Physics | 1 | Expired |
| US6855747B2 | Method of producing ion sensitive film for ion sensor | Physics | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.