Prof Josaphat invented many antennas for mobile satellite communications and radar as shown above.
Reference :
Josaphat Tetuko Sri Sumantyo and Koichi Ito, “Circularly Polarised Equilateral Triangular Patch Antenna for Mobile Satellite Communications,” IEE Microwaves, Antennas & Propagation, Vol. 153, Issue 3, pp. 282-286, June 2006 (London: IEE) Online ISSN 1751-8733 Print ISSN 1751-8725
Mobile Satellite Communication Antenna, Japan patent No. 2003-014301, 23 January 2003.
Mobile Satellite Communication Antenna, International patent No. PCT/JP03/05162 or WO 2004/066443 (118 countries), 23 April 2003.
Antennas for Communications, Japan patent Patent Number 4500968 (Application Number 2007-513555, January 29, 2007, No. 2006-023701, 31 January 2006)
Antennas for Communications, International patent No. PCT/JP2007/51351, 29 January 2007 (WO2007/088799)