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Toshikatsu Kashiwaya: Piezoelectric element and process for production thereof. NGK Insulators, Burr & Brown, May 20, 2003: US06565997 (13 worldwide citation)

A piezoelectric element includes a ceramic substrate, a piezoelectric ceramic composition composed mainly of a PbMg


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Toshikatsu Kashiwaya, Kazuhiro Yamamoto, Masao Takahashi: Piezoelectric/electrostrictive device. NGK Insulators, Burr & Brown, April 19, 2005: US06882089 (12 worldwide citation)

A piezoelectric/electrostrictive device is provided, including a ceramic substrate having at least one piezoelectric/electrostrictive layer made of a piezoelectric/electrostrictive ceramic composition and at least one pair of electrodes electrically connected to the piezoelectric/electrostrictive la ...


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Toshikatsu Kashiwaya, Mutsumi Kitagawa: Piezoelectric element and process for production thereof. NGK Insulators, Burr & Brown, August 26, 2003: US06610427 (8 worldwide citation)

A piezoelectric element includes: a ceramic substrate, an electrode and a piezoelectric portion made of a piezoelectric ceramic composition containing a Pb(Mg, Ni)


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Tsutomu Nanataki, Mutsumi Kitagawa, Toshikatsu Kashiwaya: Piezoelectric/electrostrictive body, piezoelectric/electrostrictive laminate, and piezoelectric/electrostrictive actuator. NGK Insulators, Burr & Brown, August 19, 2008: US07414352 (6 worldwide citation)

There is disclosed a piezoelectric/electrostrictive body which has superior piezoelectric/electrostrictive properties and which exhibits a sufficient durability even in a case where a flexural displacement is repeated a large number of times. A piezoelectric/electrostrictive body is constituted of a ...


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Toshikatsu Kashiwaya, Hideki Shimizu, Takashi Ebigase: Piezoelectric/electrostrictive ceramic composition, piezoelectric/electrosrictive material, and piezoelectric/electrostrictive film device. NGK Insulators, Burr & Brown, February 13, 2007: US07176155 (5 worldwide citation)

A piezoelectric/electrostrictive ceramic composition containing, as a major component, a Pb(Mg1/3Nb2/3)O3—PbTiO3—PbZrO3 ternary solid solution system composition and further containing Ni in an amount of 0.05 to 3.0% by mass in terms of NiO and Si in an amount of 0.003 to 0.01% by mass in terms of S ...


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Tsutomu Nanataki, Hirofumi Yamaguchi, Toshikatsu Kashiwaya: Piezoelectric/electrostrictive porcelain composition, piezoelectric/electrostrictive article, and piezoelectric/electrostrictive film type element. NGK Insulators, Burr & Brown, January 13, 2009: US07477004 (4 worldwide citation)

A piezoelectric/electrostrictive porcelain composition which exhibits superior piezoelectric/electrostrictive characteristics without containing lead (Pb) is provided. A main component of the piezoelectric/electrostrictive composition is a binary solid solution represented by the general formula (1) ...


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Toshikatsu Kashiwaya: Piezoelectric/electrostrictive film type device and piezoelectric/electrostrictive porcelain composition. NGK Insulators, Burr & Brown, March 28, 2006: US07019441 (4 worldwide citation)

There is provided a piezoelectric/electrostrictive film type device comprising: a substrate formed of a ceramic, at least one piezoelectric/electrostrictive portion formed of a piezoelectric/electrostrictive porcelain composition on the substrate, and at least one pair of electrodes on the substrate ...


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Hirofumi Yamaguchi, Toshikatsu Kashiwaya, Kazuhiro Yamamoto, Masao Takahashi: Piezoelectric/electrostrictive film device. NGK Insulators, Burr & Brown, July 19, 2005: US06919667 (4 worldwide citation)

A piezoelectric/electrostrictive film device is provided, including a piezoelectric/electrostrictive layer and at least a pair of electrodes formed on the piezoelectric/electrostrictive layer. A perovskite piezoelectric/electrostrictive material of the piezoelectric/electrostrictive layer contains P ...