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  Communications and Systems
 Portfolio Companies

 http://www.chelsio.com
Chelsio Communications, Sunnyvale, California
Chelsio provides high-speed protocol-acceleration products to manufacturers of server, storage, and data-communications equipment.
http://www.chelsio.com/

 IDEngines Logo
Identity Engines, Inc. acquired by Nortel
Identity Engines sells network-focused, identity management systems to enterprise customers.
http:www.idengines.com/

 http://www.tnsi.com
InfiniRoute Networks, acquired by Transaction Network Services (NYSE:TNS)
InfiniRoute Networks provides fully managed Voice over IP (VoIP) peering services for wire-line and wireless carriers who need PSTN-quality VoIP connections worldwide.
http://www.tnsi.com/

 http://www.sensysnetworks.com/
Sensys Networks, Berkeley, California
Sensys Networks sells wireless sensor networking devices for Intelligent Traffic Systems, ITS, such as freeway and arterial traffic monitoring, and intersection traffic signal control.
http://www.sensysnetworks.com/

http://www.venturiwireless.com/
Venturi Wireless, Sunnyvale, California
Venturi Wireless enables enterprises and carriers to significantly accelerate content delivery over any wired or wireless wide area network.
http://www.venturiwireless.com/

Prior Communications and Systems Investments by Horizon Managing Directors

 http://www.hearme.com/
AudioTalk Networks (acquired by HearMe) Mountain View, California
AudioTalk was a provider of Internet voice and IP telephony technologies to Web businesses. The company was acquired by HearMe in 2000.
http://www.hearme.com/

 http://www.harmonicinc.com/
Harmonic, Inc. (NASDAQ: HLIT) Sunnyvale, California
Harmonic Inc. is a leading provider of broadband optical networking and digital video systems to cable, satellite, terrestrial, telecom and wireless operators.
http://www.harmonicinc.com/

 http://www.palm.com/ Palm™, Inc. (NASDAQ: PALM), Santa Clara, California
Palm™, Inc. is the leading pioneer in mobile and wireless personal digital assistant, PDA, solutions.
http://www.palm.com/
 http://www.watchguard.com/
RapidStream, Inc. acquired by WatchGuard Technologies (NASDAQ: WGRD) Santa Clara, California
RapidStream, Inc. develops third generation network security appliances that simultaneously deliver high performance VPN, firewall, quality-of-service, network address translation, load balancing and hacker defense.
http://www.watchguard.com/

 http://www.savvis.net/
Sandpiper Networks, Inc. acquired by Cable & Wireless America (NASDAQ: SVVS) Westlake Village, California
Sandpiper Networks, Inc. is a provider of adaptive content distribution services.
http://www.savvis.net/

 http://www.spectralink.com/
SpectraLink Corporation, acquired by Polycom (NASDAQ: PLCM),Boulder, Colorado
SpectraLink Corporation is the market leader in providing wireless telephone systems for the workplace.
http://www.polycom.com/


 
 Semiconductors
 Portfolio Companies

 http://www.appliedmst.com/
Applied MicroStructures, Inc., San Jose, Calfornia
Applied MicroStructures, Inc. enables manufacturing microstructures used in the fabrication of MEMS, MOEMS, Bio-MEMS and Microfluidics.
http://www.appliedmst.com/
 
http://www.discera.com/
Discera, Inc., acquired by Micrel, (NASDQ:MCRL)
Discera, Inc. is a fabless chip company that offers MEMS based silicon resonators for the frequency and timing control markets.
http://www.discera.com/
 
http://www.iwatt.com/
iWatt, Inc., acquired by Dialog, (FWB:DLG)
iWatt, Inc. is a power management IC and system company that is revolutionizing power supply design with the industry’s first truly digital approach to power system regulation, control and management.
http://www.iwatt.com/
 http://www.ledengin.com/
LedEngin, Inc., Santa Clara, California
LedEngin develops LED hybrid emitters and light source modules for general lighting, display, automotive, and medical/dental applications.
http://www.ledengin.com/

 http://www.mediatek.com/
NuCORE Technology, Inc., acquired by MediaTek Inc. (2454.TW), San Jose, CA
NuCORE’s next generation digital camera devices offer outstanding value to OEMs in the image capture arena.
http://www.mediatek.com/

 http://www.spectralinear.com/
SpectraLinear Inc., acquired by Silicon Labs (NASDAQ: SLAB), Santa Clara, CA
SpectraLinear Inc. is a programmable timing chip company that offers the consumer, computer and communication markets high performance, fast time-to-market clock distribution networks.
http://www.spectralinear.com/

 http://www.thetamicro.com/
Theta Microelectronics, Athens, Greece
Theta Microelectronics is a developer of fully-integrated, single-chip, adaptive radio designs for the emerging broadband wireless data market.
http://www.thetamicro.com/

 Prior Semiconductor Investments by Horizon Managing Directors

 http://www.alientechnology.com/
Alien Technology Corp., Morgan Hill, California
Alien Technology’s Fluidic Self-AssemblyTM (FSA) will dramatically reduce the manufacturing cost of RFIDs and displays.
http://www.alientechnology.com/

 http://www.photondynamics.com/
Photon Dynamics, Inc., (NASDAQ: PHTN), San Jose, California
Photon Dynamics, Inc is a global supplier of yield management solutions for the flat panel display market.
http://www.photondynamics.com/

 http://www.siliconmotion.com/
Silicon Motion, Inc. (NASDAQ: SIMO), Milpitas, California
Silicon Motion, Inc. manufactures multimedia chips for use in handheld devices, wireless broadband terminals, and LCD presentation devices.
http://www.siliconmotion.com/

 
http://www.zarlink.com/
Vertex Networks, acquired by Zarlink, (NYSE: ZL)
Vertex Networks provided high performance network packet processing, switching and routing silicon solutions for the LAN switching and WAN access markets.
http://www.zarlink.com/

 
  Healthcare IT

 Prior Healthcare IT Investments by Horizon Managing Directors

 http://www.cholestech.com/
Cholestech Corporation, (NASDAQ: CTEC) Hayward, California
Cholestech offers efficient and economic diagnostic point-of-care testing for cholesterol, blood glucose and glycemic control, and liver function.
http://www.cholestech.com/

 http://www.invivodata.com/

Invivodata, Pittsburgh, Pennsylvania, sold to Genstar/ERT
Invivodata sells a reliable, accurate system for collecting patient data used by major pharmaceutical companies to facilitate drug and medical device trials.
http://www.invivodata.com/

 

 http://www.meditec.zeiss.com
Laser Diagnostic, acquired by Carl Zeiss Meditec, San Diego, California
Laser Diagnostic manufactured medical devices to detect early stage glaucoma and macular degeneration.
http://www.meditec.zeiss.com/

 http://www.elan.com/
Neurex Corporation (acquired by Elan)
Neurex was a biotechnology company focused on the discovery, development and commercialization of products for neurological disease and pain management.
http://www.elan.com/

 
 
Software Applications for Business
 Portfolio Companies

 Alignent Logo
Alignent Software, acquired by Sopheon(LSE: SPE)
Alignent Software is software-as-a-service that helps enterprise class corporations eliminate redundant projects and improve their product efficiency.
http://www.alignent.com/

 Hipbone Logo
Hipbone Inc., acquired by KANA Software (NASDAQ: KANA.OB)
Hipbone products enable support center personnel to simultaneously view the same image of a Web page with prospects and customers while communicating with them using VoIP.
http://www.kana.com/

 NativeMinds Logo
NativeMinds Inc., acquired by Verity, Inc.(London: AU) San Francisco, California
NativeMinds Inc is a software-as-a-service that automates virtual representatives.
http://www.verity.com/

 OnStation Logo
Onstation Corporation, acquired by Cobalt Group
OnStation provides online customer relationship management solutions for the autmotive service industry.
http://www.onstation.com/

 http://www.pincsolutions.com/
PINC Solutions, Berkeley, California
The PINC system manages, in real time, distribution center yard inventory through an innovative combination of software-as-a-service and wireless technologies.
http://www.pincsolutions.com/

 http://www.right90.com/
Right90, Inc., acquired by Trilogy Software, Foster City, California
Right90 provides on-demand sales forecasting and revenue performance management solutions that give companies real-time visibility into forecast changes as they occur.
http://www.right90.com/

 http://www.toolwire.com/
Toolwire, Inc., Pleasanton, California
Toolwire is a learning-by-doing software-as-a-service company that provides the quickest and most effective way to develop system skills and complete competency certifications.
http://www.toolwire.com/

 
http://www.whitehatsec.com/
WhiteHat Security, Inc., Santa Clara, California
WhiteHat Security is a leading provider of website security services that enable companies to secure valuable customer data, meet federal compliance standards, and maintain customer confidence.
http://www.whitehatsec.com/

Prior Software Applications for Business Investments by Horizon Managing Directors

 http://www.intervideo.com/
InterVideo Corporation acquired by Corel (NASDAQ: CREL), Fremont, California
InterVideo offers a broad suite of advanced digital products that enable customers to record, edit, author, distribute and play digital multimedia content on PCs and other devices.
http://www.intervideo.com/

 http://www.mscsoftware.com/
Knowledge Revolution, Inc., acquired by MSC Software (NYSE: MSCS), Santa Ana, California
MSC.Working Knowledge is a suite of analysis tools to test, model, visualize and measure almost any design or mechanical system imaginable.
http://www.mscsoftware.com/

 http://www.sagecrmsolutions.com/ SalesLogix, acquired by Sage Software (London: SGE.L), Scottsdale, Arizona
SalesLogix provides affordable world-class Customer Relationship Management (CRM) solutions.
http://www.sagecrmsolutions.com/

 

 
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