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TOP   〉 Corporate Infomation:Research and Development

Research and Development

R&D policy


Koyo Sangyo’s research and development laboratory has consistently striven to develop environmentally friendly products through our original technology. Twenty years before sick house syndrome became a societal problem, we invented a water-based polymer-isocyanate adhesive that did not contain formaldehyde. Since then, we have worked to make its use widespread. In addition, even before the current clamor over global warming, we were engaged in research and development of sorghum boards that suppress CO2 emission, and have continued to develop them into products.

One could say that striving to “thoroughly gather a broad range of information, establish original technology, and transform that technology into products” is not only our corporate policy, but also our research and development policy. Koyo Sangyo’s laboratory plays a central role in fully utilizing our Sales Department’s superior ability to gather information and our factories’ production strength in order to transform technology into products.

Location and size of the R&D laboratory



Fujimidai Industrial Park Nasukarasuyama-shi, Tochigi

Site area

Approx. 14,850m2

Total building floor space


Main equipment


Electron microscope, analytical equipment (GCMS, FTIR, HPLC, DSC, etc.), electromagnetic shield measurement room, clean bench, constant temperature and humidity room, each type of strength testing machine





Female: 8   Male: 8

Groups and major research themes


KR Research Group

Research on water-based polymer-isocyanate adhesive for wood

Research and development of electromagnetic shield materials/radio wave absorbing materials


Composite Research Group

Applied research on Woodlac-Panels

Research on soundproofing

materials/adhesives/functional composite materials


Basic Research Group

Research on non-polluting plywood adhesive

Research on sorghum boards/wood substitute materials

Research on medical/healthcare materials