Zirconia sintered body and use thereof

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United States of America Patent

PATENT NO 9919971
SERIAL NO

15107053

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Abstract

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To provide a zirconia sintered body which has at least two different color tones such as white and black, and which has no color bleeding or no gap between sintered bodies. A zirconia sintered body comprising a first zirconia sintered body and a second zirconia sintered body, characterized in that the first zirconia sintered body is a zirconia sintered body containing aluminum oxide; the second zirconia sintered body is a zirconia sintered body containing a spinel oxide; a bonding plane is formed between the first zirconia sintered body and the second zirconia sintered body; and it has no gap or no color bleeding at the bonding plane.

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Patent Owner(s)

Patent OwnerAddress
TOSOH CORPORATIONSHUNAN

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ito, Takeshi Ayase, JP 443 5451
Nagayama, Hitoshi Ayase, JP 21 98
Shinozaki, Naoki Ayase, JP 1 3
Tsukuma, Koji - 31 595
Yamauchi, Shoichi Ayase, JP 44 1442

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