Awards will be presented to mark Inventors' Day next month

The winners are the National Electronics and Computer Technology Centre's mobilephone signaljammer, King Mongkut's University of Technology Thonburi's sixhour eggyolk salter, the Institute of Advanced Naval Studies' Wargame Simulator 980 and Mahidol University Ratchasuda College's kitchen for the blind.

Among the runners-up are a microwave biodiesel reactor, a silkprocessor, animal traps, an endobagmanipulator, dentalimplant planning software and stonetracking and shockwave controls.

The inventors will receive the awards on February 2 at an exhibition at Impact Arena Muang Thong Thani which runs until February 5.

The winners each get Bt500,000 and the runnersup Bt50,000, both with certificates of honour.

A concomitant International Inventors' Day Convention will cover 100 inventions from 22 foreign countries, among them Australia, Greece, Italy, Taiwan, Russia and China.