K. Umeki

Development of Double Metal Bellows Air Pressure Spring With Lead Rubber Bearing Type 3-Dimensional Seismic Isolator

Kyotada Nakamura, Michiaki Suzuki, Seitaro Ogiso, 2002 .

A Large Scale Ongoing R&D Project on Three-Dimensional Seismic Isolation for FBR in Japan

Takafumi Fujita, K. Umeki, Asao Kato, 2002 .

Three Dimensional Seismic Isolation System Using Hydraulic Cylinder

Shinichiro Kajii, K. Umeki, Naoki Sawa, 2002 .