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Kunio Asai
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Ohi-machi, Iruma-gun, Saitama-ken, JP
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last 30 patents
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Patent Grant
Method of making graded junction containing amorphous semiconductor...
Patent number
4,742,012
Issue date
May 3, 1988
Toa Nenryo Kogyo K.K.
Mitsuo Matsumura
H01 - BASIC ELECTRIC ELEMENTS
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Patent Grant
Amorphous silicon semiconductor solar cell
Patent number
4,738,729
Issue date
Apr 19, 1988
Toshihiko Yoshida
H01 - BASIC ELECTRIC ELEMENTS