Now Nagashi Furukawa, Sao Paulo's state prisons secretary, admits this will not happen.
Iwasaki K, Maruyama M, Tomita N, Furukawa K, Nemoto M, Fujiwara H, Seki T, Fujii M, Kodama M, Arai H.
Furukawa wants to reduce the price to of the salt-water system to half the cost of a conventional lead acid battery.
Mr Furukawa admits that such problems need solving, but argues that this can be done only by opening new prisons with new staff.
Furukawa Battery, the Tokyo-based supplier of power systems , is commercializing a magnesium fuel cell technology that generates electricity using salt water as an electrolyte.
Furukawa then forgot about it until May, when he received an e-mail from Blake Scholl, director of product development at Pelago, a software development company in Seattle.
Iwasaki K, Kato S, Monma Y, Niu K, Ohrui T, Okitsu R, Higuchi S, Ozaki S, Kaneko N, Seki T, Nakayama K, Furukawa K, Fujii M, Arai H.
Maruyama M, Tomita N, Iwasaki K, Ootsuki M, Matsui T, Nemoto M, Okamura N, Higuchi M, Tsutsui M, Suzuki T, Seki T, Kaneta T, Furukawa K, Arai H.
Mr Furukawa also says the police are catching more criminals.
Fujiwara H, Tabuchi M, Yamaguchi T, Iwasaki K, Furukawa K, Sekiguchi K, Ikarashi Y, Kudo Y, Higuchi M, Saido TC, Maeda S, Takashima A, Hara M, Yaegashi N, Kase Y, Arai H.
After a two-day journey aboard the Soyuz capsule, the crew will dock with the space station, overlapping briefly with the current crew - station commander Mike Fossum of Nasa, Japan's Satoshi Furukawa and Russia's Sergei Volkov - who will then return to earth.
It also announced on Friday that its three top executives are to stand down to make way for a fresh start - chairman and chief executive officer Yoichiro Okazaki, vice chairman Koji Furukawa and president and chief operating officer Hideyasu Tagaya are all to leave.
Formerly great names like Sumitomo, Mitsui, and Mitsubishi as well as outfits less well known outside Japan like Yasuda, Furukawa and Nakajima have faded into the background on the international scene, outmaneuvered and outplayed by younger nimbler firms in Japan as well as by American and European companies.
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