Exhibit 21.1

SUBSIDIARIES OF THE REGISTRANT

DigitalOptics Corporation, a Delaware corporation

DigitalOptics Corporation Asia Limited, a company organized under the laws of Hong Kong

DigitalOptics Corporation Israel Limited, a company organized under the laws of Israel

DigitalOptics Corporation Korea Limited, a company organized under the laws of Republic of Korea

DigitalOptics Corporation MEMS, a Delaware corporation

DigitalOptics Corporation Taiwan Co., Ltd., a company organized under the laws of Taiwan

DigitalOptics Corporation Technology Zhuhai Co., Ltd., a company organized under the laws of the People’s Republic of China

FotoNation Corporation, a Delaware corporation

FotoNation Limited, an Irish limited corporation

FotoNation SRL, a Romanian limited liability corporation

Invensas Corporation, a Delaware corporation

Tessera, Inc., a Delaware corporation

Tessera Advanced Technologies, Inc., a Delaware corporation

Tessera Electronic Miniaturization Technical Services (Shanghai) Limited, a company organized under the laws of the People’s Republic of China

Tessera Global Services, Inc., a Delaware corporation

Tessera Intellectual Property Corp., a Delaware corporation