Sam Tsai
23Patents
11h-index
23Co-inventors
71Inventor score
Filing activity: Feb 13, 1998 → May 24, 2013
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6828823B1 | Non-volatile and reconfigurable programmable logic devices | Electricity | 87 | Expired |
| USD514267S1 | Spraying magic mop | General | 56 | Expired |
| USD500570S1 | Solar light | General | 27 | Expired |
| US7695153B2 | Umbrella light with audio module | Emerging Cross-Sectional Technologies | 24 | Active |
| USD574990S1 | Lamp | General | 23 | Expired |
| US6149038A | Suit hanger with air freshener | Human Necessities | 21 | Expired |
| USD488269S1 | Steam cleaner | General | 19 | Expired |
| US6895626B2 | Retaining device for a steam swab | Human Necessities | 17 | Expired |
| USD407122S | Video game | General | 15 | Expired |
| USD400617S | Video game | General | 15 | Expired |
| US7266292B1 | Structure of steam swab | Human Necessities | 12 | Expired |
| US8171592B2 | Steam cleaner | Human Necessities | 10 | Active |
| US7307912B1 | Variable data width memory systems and methods | Physics | 8 | Expired |
| US8451679B1 | Dual-port SRAM with bit line clamping | Physics | 6 | Active |
| US6615086B2 | Non-adhesive massager with conductive silicon | Human Necessities | 6 | Expired |
| US8971146B2 | Dual-port SRAM with bit line clamping | Physics | 5 | Active |
| US9805331B2 | Smartphone-based asset management system | Physics | 4 | Active |
| US7539076B1 | Variable data width memory systems and methods | Physics | 3 | Active |
| US7149129B2 | Memory output data systems and methods with feedback | Physics | 2 | Expired |
| US6157775A | Multi-functional electric heating vapor cleaning device | Performing Operations; Transporting | 1 | Expired |
| USD449341S | Quiz machine | General | 1 | Expired |
| US6669656B2 | Trouser-type massager | Human Necessities | 0 | Expired |
| US9215474B2 | Block-based motion estimation method | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.