NKK Corporation (09.30.91)

Mitsubishi Heavy Industries-Nagasaki Shipyard (07.3.92)

Ukijima-maru Incident (浮島丸事件(08.25.92)

Nachi-Fujikoshi Corporation (I)  (09.30.92)

Kajima Corporation-Hanaoka Mining (Hanaoka Incident) (06.28.95)

New Nippon Steel Corporation (I) (09.22.95)

Mitsubishi Heavy Industries–Hiroshima (12.11.95)

Liu Lianren (03.15.96)

Tokyo Textile Corporation-Numazu (04.14.97)

10 Companies (09.18.97)

4 Companies-Nagano  (12.22.97)

New Nippon Steel Corporation (II) (12.24.97)

Nishimatsu Construction (01.16.98)

 Nippon Yakin Kogyo Corporation (08.14.98)

Mitsubishi Heavy Industries–Nagoya (03.01.99, 12.06.00)

Health and Welfare Ministry and the Nagasaki Municipal Government: A-Bomb Related (05.31.99)

Rinko Corporation (08.31.99, 09.12.00, 03.13.02)

Sapporo Cases (09.01.99, 08.26.02)

Nachi-Fujikoshi Corporation (II)  (04.01.03)

2 Companies-Gunma (05.27.02)

4 Companies-Tokyo  (08.28.02)

Mitsui Mining Co. and Mitsubishi Materials Corp.-Fukuoka (02.28.03)

2 Mitsubishi firms, the Japanese government, and Nagasaki prefectural government  (11.28.03)