Last Uploaded: December, 2009

Epson Innovation Center

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Project Outline

The Epson Innovation Center is a research facility for finished products, where Epson's research development functions are integrated to develop next-generation information-related appliances. Constructed at an altitude of approximately 700 meters above sea level, this environmentally-friendly building takes full advantage of natural properties and is characterized by an atrium space that motivates researchers to communicate and collaborate with one another. This facility consists of the C-Cube building, which was designed for collaboration with the outside world, and Innovation Center A, which was designed to promote closer relationships among researchers. The latter building can be extended with the C-Cube building in between in the future. Deep eaves and clear glass give the facility a fresh and sharp impression, so that it appears to be in harmony with existing buildings and, at the same time, innovative. The inside atmosphere is very comfortable with a wood interior and soft light from top lights. This research facility embodies the philosophy of an enterprise working on environmental preservation with the aim of reducing CO2 by 60%.

Basic Information

[CASBEE rank] S  (5 stars)
[CASBEE tool used] CASBEE-NC 2008 (V.0.5)
[Location] Hirooka, Shiojiri, Nagano Prefecture
[Completion date]

February, 2006

[Site area] 29,525.44m2
[Total floor area] 53,372.05m2
[Structure] S/SRC/RC
[Floors] 7 floors above ground, 1 penthouse floor, no basement
[Owner] Seiko Epson Corporation
[Designer] Nikken Sekkei Ltd.
[Contractor] Shimizu Corporation

Information for visitors

Not permitted




  • 2nd Sustainable Building Awards, Minister of Land, Infrastructure and Transport Prize (Institute for Building Environment and Energy Conservation, 2007)
  • 8th JIA Sustainable Architecture Award, Prize of Excellence (The Japan Institute of Architects, 2007)
  • 46th SHASE Awards of Technology, Category in Building Mechanical Service System (The Society of Heating, Air-Conditioning and Sanitary Engineers of Japan, 2008)
  • 20th IEIEJ Awards, Technical Section, Facility Prize (The Institute of Electrical Installation Engineers of Japan, 2008)
  • Illumination Promoting Award, Excellent Facility Prize (The Illuminating Engineering Institute of Japan, 2006)
  • 6th Environmental and Equipment Design Awards, Prize of Excellence (Association of Building Engineering and Equipment, 2008)
  • 20th Nikkei New Office Awards, Creative Office Prize among the Nikkei New Office Promotion Prize (New Office Promotion Association, 2007)
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These cases are described based on assessment results obtained using CASBEE.
CASBEE is a method for rating the environmental performance of buildings using Building Environmental Efficiency (BEE) as an indicator, which is based on the results of separate scores obtained for Q-1~Q-3 (Quality) and LR-1~LR-3 (Load Reduction).