Kuo Hsing Hwang
23Patents
8h-index
29Co-inventors
75Inventor score
Filing activity: Jan 17, 1989 → Feb 22, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5785825A | Multi-phase overcoats for magnetic discs | Emerging Cross-Sectional Technologies | 32 | Expired |
| US4888667A | Lipstick cap with lamp devices | Mechanical Engineering; Lighting; Heating | 23 | Expired |
| US5945191A | Multi-phase carbon overcoats for magnetic discs | Emerging Cross-Sectional Technologies | 17 | Expired |
| US6303214A | Magnetic recording medium with high density thin dual carbon overcoats | Emerging Cross-Sectional Technologies | 12 | Expired |
| US6565718B1 | Magnetic recording medium with high density, thin dual carbon overcoats | Emerging Cross-Sectional Technologies | 12 | Expired |
| US6468405B1 | Sputtering target assembly and method for depositing a thickness gradient layer with narrow transition zone | Emerging Cross-Sectional Technologies | 10 | Expired |
| US4995619A | Shuttlecock | Human Necessities | 9 | Expired |
| US8896964B1 | Enlarged substrate for magnetic recording medium | Physics | 8 | Active |
| US6572958B1 | Magnetic recording media comprising a silicon carbide corrosion barrier layer and a c-overcoat | Emerging Cross-Sectional Technologies | 6 | Expired |
| US4861970A | Multipurpose calculator | Emerging Cross-Sectional Technologies | 5 | Expired |
| US6569294B1 | Sputtering target assembly and method for depositing a thickness gradient layer with narrow transition zone | Emerging Cross-Sectional Technologies | 4 | Expired |
| US6967061B1 | Bilayer magnetic structure for high density recording media | Emerging Cross-Sectional Technologies | 2 | Expired |
| US10384306B1 | Laser cutting array with multiple laser source arrangement | Performing Operations; Transporting | 2 | Active |
| US9361925B2 | Enlarged substrate for magnetic recording medium | Physics | 1 | Active |
| US4908741A | Desk lamp-convertible pencil box | Mechanical Engineering; Lighting; Heating | 1 | Expired |
| US9240201B2 | Enlarged substrate for magnetic recording medium | Physics | 1 | Active |
| US9799364B2 | Enlarged substrate for magnetic recording medium | Physics | 1 | Active |
| US9508374B2 | Enlarged substrate for magnetic recording medium | Physics | 0 | Active |
| US9147421B2 | Enlarged substrate for magnetic recording medium | Physics | 0 | Active |
| US10930840B2 | Exchange-coupled composites | Electricity | 0 | Active |
| US9653112B2 | Enlarged substrate for magnetic recording medium | Physics | 0 | Active |
| US10096334B2 | Enlarged substrate for magnetic recording medium | Physics | 0 | Active |
| US11963464B2 | Exchange-coupled composites | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.