Masamitsu Kitahashi
8Patents
5h-index
11Co-inventors
60Inventor score
Filing activity: Sep 12, 1995 → Jan 11, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5728991A | Plasma arc welding apparatus and welding method using the same | Performing Operations; Transporting | 89 | Expired |
| US5726414A | Plasma torch with swirling gas flow in a shielding gas passage | Electricity | 84 | Expired |
| US7507148B2 | Polishing apparatus, polishing head and polishing method | Performing Operations; Transporting | 23 | Expired |
| US5965039A | Plasma torch | Electricity | 13 | Expired |
| US5734144A | Plasma arc welding method and apparatus in which a swirling flow is imparted to a plasma gas to stabilize a plasma arc | Performing Operations; Transporting | 8 | Expired |
| US5925267A | Plasma torch having a bypass unit | Electricity | 4 | Expired |
| US7654883B2 | Polishing apparatus, polishing head and polishing method | Performing Operations; Transporting | 1 | Active |
| US12395712B2 | Display system and display method | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.