Patents by Inventor Eiji Hayashi

Eiji Hayashi has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 8461688
    Abstract: Even when a stiffener is omitted, the semiconductor device which can prevent the generation of twist and distortion of a wiring substrate is obtained. As for a semiconductor device which has a wiring substrate, a semiconductor chip by which the flip chip bond was made to the wiring substrate, and a heat spreader adhered to the back surface of the semiconductor chip, and which omitted the stiffener for reinforcing a wiring substrate and maintaining the surface smoothness of a heat spreader, a wiring substrate has a plurality of insulating substrates in which a through hole whose diameter differs, respectively was formed, and each insulating substrate contains a glass cloth.
    Type: Grant
    Filed: October 10, 2012
    Date of Patent: June 11, 2013
    Assignee: Renesas Electronics Corporation
    Inventors: Eiji Hayashi, Kyo Go, Kozo Harada, Shinji Baba
  • Patent number: 8399068
    Abstract: The present invention relates to a liquid crystal aligning agent which contains at least one selected from the group consisting of a polysiloxane having a structure represented by the following formula (S-0) and synthesized through the step of hydrolyzing or hydrolyzing/condensing a silane compound in the presence of an alkali metal compound or an organic base, a hydrolysate thereof and a condensate of the hydrolysate: (in the above formula (S-0), R is a group having an alkyl group with 4 to 20 carbon atoms, a fluoroalkyl group with 1 to 20 carbon atoms or a cyclohexyl group, or a group having 17 to 51 carbon atoms and a steroid skeleton, and YI is a hydroxyl group, an alkoxyl group having 1 to 10 carbon atoms, an alkyl group having 1 to 6 carbon atoms or an aryl group having 6 to 10 carbon atoms).
    Type: Grant
    Filed: August 20, 2008
    Date of Patent: March 19, 2013
    Assignee: JSR Corporation
    Inventors: Toshiyuki Akiike, Tsutomu Kumagai, Shoichi Nakata, Kenichi Sumiya, Eiji Hayashi
  • Patent number: 8359539
    Abstract: In an information processing apparatus for forming print data which can be interpreted by a printing apparatus in accordance with document data formed by an application in order to enable the user to easily set the switching between a printer and a mail box as destinations, a user interface which can set either a mail box mode to accumulate the print data into the printing apparatus without printing it or a printer output mode to sequentially print the print data received by the printing apparatus is provided.
    Type: Grant
    Filed: November 16, 2004
    Date of Patent: January 22, 2013
    Assignee: Canon Kabushiki Kaisha
    Inventor: Eiji Hayashi
  • Patent number: 8314495
    Abstract: Even when a stiffener is omitted, the semiconductor device which can prevent the generation of twist and distortion of a wiring substrate is obtained. As for a semiconductor device which has a wiring substrate, a semiconductor chip by which the flip chip bond was made to the wiring substrate, and a heat spreader adhered to the back surface of the semiconductor chip, and which omitted the stiffener for reinforcing a wiring substrate and maintaining the surface smoothness of a heat spreader, a wiring substrate has a plurality of insulating substrates in which a through hole whose diameter differs, respectively was formed, and each insulating substrate contains a glass cloth.
    Type: Grant
    Filed: February 6, 2012
    Date of Patent: November 20, 2012
    Assignee: Renesas Electronics Corporation
    Inventors: Eiji Hayashi, Kyo Go, Kozo Harada, Shinji Baba
  • Patent number: 8216649
    Abstract: The present invention relates to a liquid crystal aligning agent which contains a reaction product of at least one selected from the group consisting of a polysiloxane having a structure represented by the following formula (S-1), a hydrolysate thereof and a condensate of the hydrolysate and a compound represented by the following formula (1): (YI in the formula (S-1) is a hydroxyl group, an alkoxyl group having 1 to 10 carbon atoms, an alkyl group having 1 to 6 carbon atoms or an aryl group having 6 to 10 carbon atoms, R in the formula (1) is a group having an alkyl group with 4 to 20 carbon atoms, a fluoroalkyl group with 1 to 20 carbon atoms or a cyclohexyl group, or a group having 17 to 51 carbon atoms and a steroid skeleton, and XI in the formula (S-1) and Z in the formula (1) are reacted with each other to form a bond group for bonding the silicon atom in the formula (S-1) to R in the formula (1)).
    Type: Grant
    Filed: August 20, 2008
    Date of Patent: July 10, 2012
    Assignee: JSR Corporation
    Inventors: Toshiyuki Akiike, Tsutomu Kumagai, Shoichi Nakata, Kenichi Sumiya, Eiji Hayashi
  • Publication number: 20120133045
    Abstract: Even when a stiffener is omitted, the semiconductor device which can prevent the generation of twist and distortion of a wiring substrate is obtained. As for a semiconductor device which has a wiring substrate, a semiconductor chip by which the flip chip bond was made to the wiring substrate, and a heat spreader adhered to the back surface of the semiconductor chip, and which omitted the stiffener for reinforcing a wiring substrate and maintaining the surface smoothness of a heat spreader, a wiring substrate has a plurality of insulating substrates in which a through hole whose diameter differs, respectively was formed, and each insulating substrate contains a glass cloth.
    Type: Application
    Filed: February 6, 2012
    Publication date: May 31, 2012
    Applicant: Renesas Electronics Corporation
    Inventors: Eiji Hayashi, Kyo Go, Kozo Harada, Shinji Baba
  • Patent number: 8101514
    Abstract: Regarding a semiconductor device, especially the present invention suppresses disconnection of the connection structure concerned in the semiconductor device which has the electric and mechanical connection structure using solder, and aims at improving connection reliability. And to achieve the above objects, the semiconductor device has the solder bump which electrically connects a semiconductor chip and a package substrate, the under-filling resin with which it filled up between the semiconductor chip and the package substrate, and a solder ball which electrically connects a package substrate with the outside, and the solder bump's elastic modulus is made lower than the elastic modulus of a solder ball.
    Type: Grant
    Filed: March 10, 2011
    Date of Patent: January 24, 2012
    Assignee: Renesas Electronics Corporation
    Inventor: Eiji Hayashi
  • Publication number: 20120013837
    Abstract: The present invention provides: a composition for forming a liquid crystal alignment film capable of forming a liquid crystal alignment film excellent in evenness; and a liquid crystal display device. The present invention provides a composition for forming a liquid crystal alignment film, wherein the composition comprises: a material for forming a liquid crystal alignment film; 4,6-dimethyl-2-heptanone; diisobutyl ketone; and at least one of ?-butyrolactone and N-methyl-2-pyrrolidone as solvents.
    Type: Application
    Filed: September 4, 2009
    Publication date: January 19, 2012
    Inventors: Shinichi Terashita, Hiroyuki Hakoi, Ryou Ueda, Koichi Miyachi, Michinori Nishikawa, Eiji Hayashi, Shouichi Nakata, Takahiro Matsumoto, Satoshi Fukuma, Jyun Isayama, Shigeo Shimizu
  • Publication number: 20110269273
    Abstract: Even when a stiffener is omitted, the semiconductor device which can prevent the generation of twist and distortion of a wiring substrate is obtained. As for a semiconductor device which has a wiring substrate, a semiconductor chip by which the flip chip bond was made to the wiring substrate, and a heat spreader adhered to the back surface of the semiconductor chip, and which omitted the stiffener for reinforcing a wiring substrate and maintaining the surface smoothness of a heat spreader, a wiring substrate has a plurality of insulating substrates in which a through hole whose diameter differs, respectively was formed, and each insulating substrate contains a glass cloth.
    Type: Application
    Filed: July 14, 2011
    Publication date: November 3, 2011
    Applicant: Renesas Electronics Corporation
    Inventors: Eiji HAYASHI, Kyo Go, Kozo Harada, Shinji Baba
  • Patent number: 8018066
    Abstract: Even when a stiffener is omitted, the semiconductor device which can prevent the generation of twist and distortion of a wiring substrate is obtained. As for a semiconductor device which has a wiring substrate, a semiconductor chip by which the flip chip bond was made to the wiring substrate, and a heat spreader adhered to the back surface of the semiconductor chip, and which omitted the stiffener for reinforcing a wiring substrate and maintaining the surface smoothness of a heat spreader, a wiring substrate has a plurality of insulating substrates in which a through hole whose diameter differs, respectively was formed, and each insulating substrate contains a glass cloth.
    Type: Grant
    Filed: April 2, 2010
    Date of Patent: September 13, 2011
    Assignee: Renesas Electronics Corporation
    Inventors: Eiji Hayashi, Kyo Go, Kozo Harada, Shinji Baba
  • Publication number: 20110163444
    Abstract: Regarding a semiconductor device, especially the present invention suppresses disconnection of the connection structure concerned in the semiconductor device which has the electric and mechanical connection structure using solder, and aims at improving connection reliability. And to achieve the above objects, the semiconductor device has the solder bump which electrically connects a semiconductor chip and a package substrate, the under-filling resin with which it filled up between the semiconductor chip and the package substrate, and a solder ball which electrically connects a package substrate with the outside, and the solder bump's elastic modulus is made lower than the elastic modulus of a solder ball.
    Type: Application
    Filed: March 10, 2011
    Publication date: July 7, 2011
    Applicant: RENESAS ELECTRONICS CORPORATION
    Inventor: Eiji HAYASHI
  • Patent number: 7951701
    Abstract: Regarding a semiconductor device, especially the present invention suppresses disconnection of the connection structure concerned in the semiconductor device which has the electric and mechanical connection structure using solder, and aims at improving connection reliability. And to achieve the above objects, the semiconductor device has the solder bump which electrically connects a semiconductor chip and a package substrate, the under-filling resin with which it filled up between the semiconductor chip and the package substrate, and a solder ball which electrically connects a package substrate with the outside, and the solder bump's elastic modulus is made lower than the elastic modulus of a solder ball.
    Type: Grant
    Filed: June 17, 2010
    Date of Patent: May 31, 2011
    Assignee: Renesas Electronics Corporation
    Inventor: Eiji Hayashi
  • Publication number: 20110118422
    Abstract: The present invention relates to a liquid crystal aligning agent which contains at least one selected from the group consisting of a polysiloxane having a structure represented by the following formula (S-0) and synthesized through the step of hydrolyzing or hydrolyzing/condensing a silane compound in the presence of an alkali metal compound or an organic base, a hydrolysate thereof and a condensate of the hydrolysate: (in the above formula (S-0), R is a group having an alkyl group with 4 to 20 carbon atoms, a fluoroalkyl group with 1 to 20 carbon atoms or a cyclohexyl group, or a group having 17 to 51 carbon atoms and a steroid skeleton, and YI is a hydroxyl group, an alkoxyl group having 1 to 10 carbon atoms, an alkyl group having 1 to 6 carbon atoms or an aryl group having 6 to 10 carbon atoms).
    Type: Application
    Filed: August 20, 2008
    Publication date: May 19, 2011
    Applicant: JSR CORPORATION
    Inventors: Toshiyuki Akiike, Tsutomu Kumagai, Shoichi Nakata, Kenichi Sumiya, Eiji Hayashi
  • Publication number: 20110068301
    Abstract: The present invention relates to a liquid crystal aligning agent which contains a reaction product of at least one selected from the group consisting of a polysiloxane having a structure represented by the following formula (S-1), a hydrolysate thereof and a condensate of the hydrolysate and a compound represented by the following formula (1): (YI in the formula (S-1) is a hydroxyl group, an alkoxyl group having 1 to 10 carbon atoms, an alkyl group having 1 to 6 carbon atoms or an aryl group having 6 to 10 carbon atoms, R in the formula (1) is a group having an alkyl group with 4 to 20 carbon atoms, a fluoroalkyl group with 1 to 20 carbon atoms or a cyclohexyl group, or a group having 17 to 51 carbon atoms and a steroid skeleton, and XI in the formula (S-1) and Z in the formula (1) are reacted with each other to form a bond group for bonding the silicon atom in the formula (S-1) to R in the formula (1)).
    Type: Application
    Filed: August 20, 2008
    Publication date: March 24, 2011
    Applicant: JSR CORPORATION
    Inventors: Toshiyuki Akiike, Tsutomu Kumagai, Shoichi Nakata, Kenichi Sumiya, Eiji Hayashi
  • Publication number: 20110043739
    Abstract: Disclosed is a liquid crystal orientating agent which contains a liquid crystal orientating polyorganosiloxane obtained by reacting a specified reactive polyorganosiloxane typified by the hydrolysis condensate of 2-(3,4-epoxycyclohexyl)ethyltrimethoxysilane and a reactive compound which includes a specified compound typified by stearic acid. The liquid crystal orientating agent of this invention can form liquid crystal orientating films which have excellent liquid crystal orientating properties, a high level of heat resistance and light resistance, exhibit little reduction of voltage retention even in high temperature environments and when irradiated with light of high intensity, and excellent residual image characteristics, and it also has excellent storage stability.
    Type: Application
    Filed: January 29, 2009
    Publication date: February 24, 2011
    Applicant: JSR CORPORATION
    Inventors: Kenichi Sumiya, Toshiyuki Akiike, Tsutomu Kumagai, Eiji Hayashi
  • Patent number: 7838335
    Abstract: The adhesive property of the mold resin exposed to the ball face side of a semiconductor package and under-filling resin is improved, and the manufacturing method of the semiconductor device which can prevent peeling at both interface is obtained. The sputtering step which does sputtering of the ball face side of the semiconductor package whose mold resin in which wax or fatty acid was included exposed to the ball face side by Ar plasma, the step which does flip chip junction of the semiconductor package at wiring substrate upper part after the sputtering step, and the step fills up with under-filling resin between the semiconductor package and the wiring substrate are included.
    Type: Grant
    Filed: November 10, 2008
    Date of Patent: November 23, 2010
    Assignee: Renesas Electronics Corporation
    Inventors: Eiji Hayashi, Takahiro Sugimura
  • Publication number: 20100255673
    Abstract: Regarding a semiconductor device, especially the present invention suppresses disconnection of the connection structure concerned in the semiconductor device which has the electric and mechanical connection structure using solder, and aims at improving connection reliability. And to achieve the above objects, the semiconductor device has the solder bump which electrically connects a semiconductor chip and a package substrate, the under-filling resin with which it filled up between the semiconductor chip and the package substrate, and a solder ball which electrically connects a package substrate with the outside, and the solder bump's elastic modulus is made lower than the elastic modulus of a solder ball.
    Type: Application
    Filed: June 17, 2010
    Publication date: October 7, 2010
    Applicant: Renesas Technology Corp.
    Inventor: Eiji HAYASHI
  • Patent number: 7791204
    Abstract: Even when a stiffener is omitted, the semiconductor device which can prevent the generation of twist and distortion of a wiring substrate is obtained. As for a semiconductor device which has a wiring substrate, a semiconductor chip by which the flip chip bond was made to the wiring substrate, and a heat spreader adhered to the back surface of the semiconductor chip, and which omitted the stiffener for reinforcing a wiring substrate and maintaining the surface smoothness of a heat spreader, a wiring substrate has a plurality of insulating substrates in which a through hole whose diameter differs, respectively was formed, and each insulating substrate contains a glass cloth.
    Type: Grant
    Filed: March 10, 2009
    Date of Patent: September 7, 2010
    Assignee: Renesas Technology Corp.
    Inventors: Eiji Hayashi, Kyo Go, Kozo Harada, Shinji Baba
  • Publication number: 20100187679
    Abstract: Even when a stiffener is omitted, the semiconductor device which can prevent the generation of twist and distortion of a wiring substrate is obtained. As for a semiconductor device which has a wiring substrate, a semiconductor chip by which the flip chip bond was made to the wiring substrate, and a heat spreader adhered to the back surface of the semiconductor chip, and which omitted the stiffener for reinforcing a wiring substrate and maintaining the surface smoothness of a heat spreader, a wiring substrate has a plurality of insulating substrates in which a through hole whose diameter differs, respectively was formed, and each insulating substrate contains a glass cloth.
    Type: Application
    Filed: April 2, 2010
    Publication date: July 29, 2010
    Applicant: RENESAS TECHNOLOGY CORP.
    Inventors: Eiji HAYASHI, Kyo GO, Kozo HARADA, Shinji BABA
  • Patent number: 7759793
    Abstract: Regarding a semiconductor device, especially the present invention suppresses disconnection of the connection structure concerned in the semiconductor device which has the electric and mechanical connection structure using solder, and aims at improving connection reliability. And to achieve the above objects, the semiconductor device has the solder bump which electrically connects a semiconductor chip and a package substrate, the under-filling resin with which it filled up between the semiconductor chip and the package substrate, and a solder ball which electrically connects a package substrate with the outside, and the solder bump's elastic modulus is made lower than the elastic modulus of a solder ball.
    Type: Grant
    Filed: December 13, 2004
    Date of Patent: July 20, 2010
    Assignee: Renesas Technology Corp.
    Inventor: Eiji Hayashi