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Plasmacluster Ion technology, which Sharp developed in 2000, is an air purification system that removes harmful airborne substances by releasing positive and negative ions into the air. Working in collaboration with research institutions around the world, Sharp subsequently proved that Plasmacluster Ions can suppress the activity of a total of 26 kinds of bacteria, mold fungi, viruses and allergens*1 floating in the air. The mechanism*2 for suppressing bacteria was elucidated in 2004 and for suppressing viruses in 2005.

*1 Allergy - inclucing substances.
*2 The process by which the activity of a harmful substance is suppressed as a result of Plasmacluster Ions acting on the substance in some manner.

Plasmacluster Ions Development

Efficacy of Plasmacluster Ions on Various Pathogens Confirmed Through Collaborative
Japan Japan China Germany Japan
Kitasato Research Center of Environmental Sciences, Japan Ishikawa Health Service Association, Japan Shanghai Municipal Center for Disease Control and Prevention University Lübeck, Germany PCI won the Takagi Award for the most outstanding technology at the Intelligent Materials Forum held in March 2001. Its effectiveness has been proven in countries around the world.

Solid Track Record of Effectiveness and Reliability Attracts 17 Companies— from Home Appliances to Automobiles—to Adopt the Technology in Addition to Sharp
Total sales of products from Sharp Corporation and from companies in other industries equipped with Plasmacluster Ion technology, Sharp’s proprietary air purification technology, reached 10 million units worldwide on November 21, 2005. Sharp first embedded this technology in air purifiers in September 2000, as a revolutionary cleaning system that deactivates harmful substances in the air. Since then, Sharp has equipped products such as air conditioners and refrigerators with Plasmacluster Ion generators, and now, use of this technology has expanded to products in other industries as well, including toilets with bidet seats and in-vehicle air purifiers. The ratio of sales in Japan versus internationally is 9:1, and in Japan, one in five households have at least one Plasmacluster Ion product.

Expansion Across Our Product Lines
History of Development of Sharp Products Equipped with Plasmacluster Ion Technology
Year of Introduction Key Products Marketed
2000 FU-L40X air purifier
2001 AY-M28SC/M45SC air conditioner
SJ-WS35E/WA35E refrigerator
DW-M16CX/M16G laundry drying dehumidifier
HV-M70CX/M50CX humidifier
HX-120CX humidifying ceramic fan heater
2002 EC-AP1 cyclonic vacuum cleaner
CV-N63CX personal air cooler
2003 OK-P36CR kerosene fan heater
2004 NP-40CX/20CX kitchen waste composter

Expansion to Other Industries
Companies in Other Industries Adopting Plasmacluster Ion Technology (Total: 17)
Company
Product
INAX Toilet with bidet seat
MAX Electric bathroom heater/ventilator/dryer, 24-hour ventilation system
Tostem Electric bathroom heater/ventilator/dryer
Denso Ace Whole-house air conditioning system
Nissan Motor Car air conditioner, car air purifier
Denso Car air purifier, car Plasmacluster Ion generator, car air conditioner
Rinnai Gas fan heater, hot-water bathroom heater/dryer
Osaka Gas Gas fan heater
Toho Gas Gas fan heater, hot-water bathroom heater/dryer
Seibu Gas Gas fan heater
Fujitec Elevator
Daihatsu Car air conditioner
Tornex Smoke control system
Misawa 24-hour floor central ventilation system
Tokyo Gas Gas fan heater
Shimizu Plasmacluster Ion duct system
Note: As of November 21, 2005.


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