仭Research and Restoration仭 Research Since the latter half of the 20th century, optical instruments have been utilized in the research for painting restoration. X-rays, infrared rays, ultraviolet rays, etc., clarify techniques and materials of art works. Examination of painting Paintings are examined and photographed daily in the Conservation and Restoration Techniques Division. 丒Shiba Kokan, 丂TAKAHASHI Yuichi 丒Harvest, ASAI Chu 丒Kawakami Togai, 丂KOYAMA Shotaro 丒Woman(in the Kitchen), 丂KURODA Seiki 丒Farmer Returning in the Late Evening, 丂KOBAYASHI, Mango 丒Research 丒Restoration		Examination of painting, left : condition checking left below: examination by an infrared vidicon camera丂 right: taking photograph