1
Yukihisa Takeuchi, Koji Kimura: Piezoelectric/electrostrictive actuator having at least one piezoelectric/electrostrictive film. NGK Insulators, Parkhurst Wendel & Rossi, June 30, 1992: US05126615 (69 worldwide citation)

A piezoelectric/electrostrictive actuator having at least one piezoelectric/electrostrictive unit each including a first electrode film, a piezoelectric/electrostrictive film and a second electrode film which are superposed on each other on a ceramic substrate, or at least one piezoelectric/electros ...


2
Yukihisa Takeuchi, Koji Kimura: Piezoelectric device. NGK Insulators, Parkhurst Wendel & Rossi, December 27, 1994: US05376857 (67 worldwide citation)

A piezoelectric device (1) includes an at least locally thin-walled ceramic substrate (2) and at least one piezoelectric transducer (3) on the substrate (2). The piezoelectric transducer (3) includes a lower electrode layer (4), a piezoelectric layer (5) and an upper electrode layer (6) which are se ...


3
Yukihisa Takeuchi, Koji Kimura: Piezoelectric/electrostrictive actuator having ceramic substrate having recess defining thin-walled portion. NGK Insulators, Parkhurst Wendel & Rossi, May 11, 1993: US05210455 (64 worldwide citation)

A piezoelectric/electrostrictive actuator including a ceramic substrate (2, 10, 16, 22, 38) and a piezoelectric/electrostrictive portion (26, 28, 29, 30, 33a, 33b, 36a, 36b, 37, 39). The ceramic substrate has at least one recess (6, 14, 20, 24, 42) having a bottom surface which defines a thin-walled ...


4
Budi Agung Hardiman, Koji Kimura: Method and apparatus for utilizing noise reducer to implement voice gain control and equalization. Sony Corporation, Sony Electronics, Seong Kun Oh, Limbach & Limbach, August 10, 1999: US05937377 (46 worldwide citation)

A signal pre-processing apparatus for processing signal such that the signal is selectively adjusted for gain and equalization based upon a plurality of parameters predetermined by a noise reducing means. The present invention is a method and apparatus for substantially reducing undesirable noise co ...


5
Yukihisa Takeuchi, Koji Kimura, Masato Komazawa: Piezoelectric/electrostrictive actuator having at least one piezoelectric/electrostrictive film. NGK Insulators, Seiko Epson Corporation, Parkhurst Wendel & Burr L, November 25, 1997: US05691593 (45 worldwide citation)

A piezoelectric/electrostrictive actuator including a ceramic substrate, and at least one piezoelectric/electrostrictive actuator unit formed on at least a portion of at least one surface of the substrate, each piezoelectric/electrostrictive actuator unit having a first electrode film, a piezoelectr ...


6
Yukihisa Takeuchi, Takao Ohnishi, Koji Kimura: Mass sensor and mass sensing method. NGK Insulators, Burr & Brown, October 1, 2002: US06457361 (45 worldwide citation)

A mass sensor including: a connecting plate having one or more slit(s) and/or opening portion(s) formed therein and/or having a thin-walled portion and a thick-walled portion formed therein; a diaphragm joined with the connecting plate at respective side surfaces; a piezoelectric element; a sensing ...


7
Yukihisa Takeuchi, Koji Kimura: Piezoelectric/electrostrictive element having ceramic substrate formed essentially of stabilized zirconia. NGK Insulators, Parkhurst Wendel & Rossi, July 4, 1995: US05430344 (43 worldwide citation)

A piezoelectric/electrostrictive element including a thin ceramic substrate, and a piezoelectric/electrostrictive portion formed on the ceramic substrate by a film forming technique without an adhesive agent, the piezoelectric/electrostrictive portion consisting essentially of a plurality of electro ...


8
Natsumi Shimogawa, Koji Kimura, Yukihisa Takeuchi: Method of manufacturing a piezoelectric device. NGK Indulators, Seiko Epson, Parkhurst & Wendel L, July 1, 2003: US06584660 (42 worldwide citation)

A method for making a piezoelectric device wherein residual stresses in the piezoelectric transducer element of the piezoelectric device are relieved by forming a groove or grooves extending into a thick-walled region of the peripheral wall of a ceramic substrate in the piezoelectric device. The str ...


9
Yukihisa Takeuchi, Koji Kimura: Piezoelectric and/or electrostrictive actuator having dummy cavities within ceramic substrate in addition to pressure chambers, and displacement adjusting layers formed aligned with the dummy cavities. NGK Insulators, Parkhurst Wendel & Burr, April 30, 1996: US05512793 (41 worldwide citation)

A piezoelectric and/or electrostrictive actuator including a ceramic substrate and piezoelectric and/or electrostrictive elements is disclosed. The ceramic substrate includes: a spacer plate having a plurality of windows which provide pressure chambers, the windows being formed in a row in the longi ...


10
Yukihisa Takeuchi, Koji Kimura: Piezoelectric/electrostrictive element having auxiliary electrode disposed between piezoelectric/electrostrictive layer and substrate. NGK Insulators, Parkhurst Wendel & Rossi, January 25, 1994: US05281888 (36 worldwide citation)

A piezoelectric/electrostrictive element is disclosed which includes a ceramic substrate formed principally of partially or fully stabilized zirconia, a lower electrode formed on the ceramic substrate, a piezoelectric/electrostrictive layer formed on the lower electrode, and an upper electrode forme ...