Inventor

WU YEN-CHUN

TW5 patents

⚠️ This page may combine multiple inventors who share the name “WU YEN-CHUN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

ORTEK TECHNOLOGY INC

2 patents

US6909423B2Jun 21, 2005

Method for inputting commands in a keypad

ORTEK TECHNOLOGY INC13 citations81

US6515852B2Feb 4, 2003

External keyboard for personal digital assistant

ORTEK TECHNOLOGY INC19 citations79

PROCTER & GAMBLE

1 patent

US7311853B2Dec 25, 2007

Paper softening compositions containing quaternary ammonium compound and high levels of free amine and soft tissue paper products comprising said compositions

PROCTER & GAMBLE59 citations93

ORTEK TECH INC

1 patent

USD368902SApr 16, 1996

Keyboard

ORTEK TECH INC22 citations83

WU YEN-CHUN

1 patent

US8081090B2Dec 20, 2011

Method of transmitting key code of hot key from number pad

WU YEN-CHUN6 citations55