Kunio Karino
13Patents
8h-index
15Co-inventors
65Inventor score
Filing activity: Oct 19, 1992 → Nov 21, 2003
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5272313A | Arc welder | Electricity | 50 | Expired |
| US5771163A | AC-DC converter apparatus | Electricity | 35 | Expired |
| US5343017A | Arc welder with timed control of arcing recovery and means for reducing weight, size, and power loss in the welder | Emerging Cross-Sectional Technologies | 34 | Expired |
| US6054674A | DC power supply apparatus for arc-utilizing apparatuses | Performing Operations; Transporting | 29 | Expired |
| US6152699A | Cooling apparatus for electrical equipment | Mechanical Engineering; Lighting; Heating | 17 | Expired |
| US5630952A | Plasma-arc power supply apparatus | Electricity | 16 | Expired |
| US5310992A | Arc welder | Electricity | 11 | Expired |
| US5760372A | Arc welder | Performing Operations; Transporting | 9 | Expired |
| US5726416A | Air plasma arc cutter | Performing Operations; Transporting | 8 | Expired |
| US5457300A | Consumable electrode DC arc welder | Performing Operations; Transporting | 7 | Expired |
| US5643475A | Power supply apparatus | Performing Operations; Transporting | 6 | Expired |
| US5306894A | Consumable electrode type D.C. arc welder | Physics | 3 | Expired |
| US7075032B2 | Power supply apparatus | Performing Operations; Transporting | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.