Patents by Inventor Tadahiko Udagawa
Tadahiko Udagawa 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: 6956076Abstract: An inorganic particle-containing composition comprising: (A) inorganic particles; (B) a binder resin; and (C) at least one plasticizer selected from the group consisting of compounds represented by the following formula (1): R1O—R2mOOC—(CH2nCOOR3—OmR4??(1) wherein R1 and R4are the same or different alkyl groups having 1 to 30 carbon atoms or alkenyl groups, R2 and R3 are the same or different alkylene groups having 1 to 30 carbon atoms or alkenylene groups, m is an integer of 0 to 5, and n is an integer of 1 to 10, and compounds represented by the following formula (2): wherein R5 is an alkyl group having 1 to 30 carbon atoms or alkenyl group. A transfer film and a plasma display panel production process using the composition are also described.Type: GrantFiled: November 19, 2001Date of Patent: October 18, 2005Assignee: JSR CorporationInventors: Takanori Yamashita, Kenji Okamoto, Jiro Takahashi, Tadahiko Udagawa
-
Patent number: 6890663Abstract: A process for forming an inorganic material layer pattern on a substrate. The process includes the steps of transferring an inorganic powder dispersed paste layer supported on a support film to the surface of the substrate to form the inorganic powder dispersed paste layer on the substrate; forming a resist film on the inorganic powder dispersed paste layer transferred to the surface of the substrate; exposing the resist film to light through a mask to form a latent image of a resist pattern; developing the exposed resist film to form the resist pattern; etching exposed portions of the inorganic powder dispersed paste layer to form an inorganic powder dispersed paste layer pattern corresponding to the resist pattern; and baking the pattern to form an inorganic material layer pattern.Type: GrantFiled: October 23, 2002Date of Patent: May 10, 2005Assignee: JSR CorporationInventors: Hideaki Masuko, Tadahiko Udagawa, Hiroaki Nemoto, Nobuo Bessho
-
Patent number: 6572963Abstract: A process for forming an inorganic material layer pattern on a substrate. The process includes the steps of transferring an inorganic powder dispersed paste layer supported on a support film to the surface of the substrate to form the inorganic powder dispersed paste layer on the substrate; forming a resist film on the inorganic powder dispersed paste layer transferred to the surface of the substrate; exposing the resist film to light through a mask to form a latent image of a resist pattern; developing the exposed resist film to form the resist pattern; etching exposed portions of the inorganic powder dispersed paste layer to form an inorganic powder dispersed paste layer pattern corresponding to the resist pattern; and baking the pattern to form an inorganic material layer pattern.Type: GrantFiled: October 17, 2001Date of Patent: June 3, 2003Assignee: JSR CorporationInventors: Hideaki Masuko, Tadahiko Udagawa, Hiroaki Nemoto, Nobuo Bessho
-
Patent number: 6548582Abstract: An inorganic particle-containing composition comprising: (A) inorganic particles; (B) a binder resin; and (C) at least one plasticizer selected from the group consisting of compounds represented by the following formula (1): R1&Parenopenst;O—R2&Parenclosest;mOOC—(CH2&Parenclosest;nCOO&Parenopenst;R3—O&Parenclosest;mR4 (1) wherein R1 and R4 are the same or different alkyl groups having 1 to 30 carbon atoms or alkenyl groups, R2 and R3 are the same or different alkylene groups having 1 to 30 carbon atoms or alkenylene groups, m is an integer of 0 to 5, and n is an integer of 1 to 10, and compounds represented by the following formula (2): wherein R5 is an alkyl group having 1 to 30 carbon atoms or alkenyl group. A transfer film and a plasma display panel production process using the composition are also described.Type: GrantFiled: September 27, 2001Date of Patent: April 15, 2003Assignee: JSR CorporationInventors: Takanori Yamashita, Kenji Okamoto, Jiro Takahashi, Tadahiko Udagawa
-
Publication number: 20030049412Abstract: A process for forming an inorganic material layer pattern on a substrate. The process includes the steps of transferring an inorganic powder dispersed paste layer supported on a support film to the surface of the substrate to form the inorganic powder dispersed paste layer on the substrate; forming a resist film on the inorganic powder dispersed paste layer transferred to the surface of the substrate; exposing the resist film to light through a mask to form a latent image of a resist pattern; developing the exposed resist film to form the resist pattern; etching exposed portions of the inorganic powder dispersed paste layer to form an inorganic powder dispersed paste layer pattern corresponding to the resist pattern; and baking the pattern to form an inorganic material layer pattern.Type: ApplicationFiled: October 23, 2002Publication date: March 13, 2003Applicant: JSR CORPORATIONInventors: Hideaki Masuko, Tadahiko Udagawa, Hiroaki Nemoto, Nobuo Bessho
-
Publication number: 20020034611Abstract: A process for forming an inorganic material layer pattern on a substrate. The process includes the steps of transferring an inorganic powder dispersed paste layer supported on a support film to the surface of the substrate to form the inorganic powder dispersed paste layer on the substrate; forming a resist film on the inorganic powder dispersed paste layer transferred to the surface of the substrate; exposing the resist film to light through a mask to form a latent image of a resist pattern; developing the exposed resist film to form the resist pattern; etching exposed portions of the inorganic powder dispersed paste layer to form an inorganic powder dispersed paste layer pattern corresponding to the resist pattern; and baking the pattern to form an inorganic material layer pattern.Type: ApplicationFiled: October 17, 2001Publication date: March 21, 2002Applicant: JSR CORPORATION, A JAPANESE CORPORATIONInventors: Hideaki Masuko, Tadahiko Udagawa, Hiroaki Nemoto, Nobuo Bessho
-
Publication number: 20020035183Abstract: An inorganic particle-containing composition comprising:Type: ApplicationFiled: November 19, 2001Publication date: March 21, 2002Applicant: JSR CORPORATIONInventors: Takanori Yamashita, Kenji Okamoto, Jiro Takahashi, Tadahiko Udagawa
-
Publication number: 20020016401Abstract: An inorganic particle-containing composition comprising:Type: ApplicationFiled: September 27, 2001Publication date: February 7, 2002Applicant: JSR CorporationInventors: Takanori Yamashita, Kenji Okamoto, Jiro Takahashi, Tadahiko Udagawa
-
Patent number: 6339118Abstract: An inorganic particle-containing composition comprising: (A) inorganic particles; (B) a binder resin; and (C) at least one plasticizer selected from the group consisting of compounds represented by the following formula (1): R1&Parenopenst;O—R2&Parenclosest;mOOC&Parenopenst;CH2&Parenclosest;nCOO&Parenopenst;R3—O&Parenclosest;mR4 (1) wherein R1 and R4 are the same or different alkyl groups having 1 to 30 carbon atoms or alkenyl groups, R2 and R3 are the same or different alkylene groups having 1 to 30 carbon atoms or alkenylene groups, m is an integer of 0 to 5, and n is an integer of 1 to 10, and compounds represented by the following formula (2): wherein R5 is an alkyl group having 1 to 30 carbon atoms or alkenyl group. A transfer film and a plasma display panel production process using the composition are also described.Type: GrantFiled: September 30, 1999Date of Patent: January 15, 2002Assignee: JSR CorporationInventors: Takanori Yamashita, Kenji Okamoto, Jiro Takahashi, Tadahiko Udagawa
-
Patent number: 6337028Abstract: A process for forming an inorganic material layer pattern on a substrate. The process includes the steps of transferring an inorganic powder dispersed paste layer supported on a support film to the surface of the substrate to form the inorganic powder dispersed paste layer on the substrate; forming a resist film on the inorganic powder dispersed paste layer transferred to the surface of the substrate; exposing the resist film to light through a mask to form a latent image of a resist pattern; developing the exposed resist film to form the resist pattern; etching exposed portions of the inorganic powder dispersed paste layer to form an inorganic powder dispersed paste layer pattern corresponding to the resist pattern; and baking the pattern to form an inorganic material layer pattern.Type: GrantFiled: November 10, 1998Date of Patent: January 8, 2002Assignee: JSR CorporationInventors: Hideaki Masuko, Tadahiko Udagawa, Hiroaki Nemoto, Nobuo Bessho
-
Patent number: 6051368Abstract: A radiation sensitive composition comprising (1) a phosphor; (2) an organic polymer binder comprising a combination of at least one alkali-soluble resin and at least one cellulose ether; (3) a photo-crosslinkable compound; and (4) a photo-radical generating agent.Type: GrantFiled: March 9, 1998Date of Patent: April 18, 2000Assignee: JSR CorporationInventors: Hideaki Masuko, Jiro Takahashi, Tadahiko Udagawa, Atsushi Kumano
-
Patent number: 6046121Abstract: A glass paste composition contains:(A) glass powders (B) a binder resin; and (C) at least one organic solvent selected from a ketone, an alcohol and an ester which has property that the normal boiling point is 100 to 200.degree. C., and the vapor pressure at 20.degree. C. is 0.5 to 50 mmHg.A plasma display panel is produced by a method which comprisescoating the glass paste composition on a base film to form a film forming material layer;transferring the film forming material layer formed on the base film to a glass substrate; andbaking the transferred film forming material layer to form a dielectric layer on the surface of the glass substrate.Type: GrantFiled: May 7, 1998Date of Patent: April 4, 2000Assignee: JSR CorporationInventors: Hideaki Masuko, Tadahiko Udagawa, Shigeru Abe, Atsushi Kumano, Kenji Okamoto, Hideyuki Kamii
-
Patent number: 5980347Abstract: Disclosed is a process for manufacturing a plasma display panel comprising a novel forming step in which a very thick dielectric layer can be formed in an efficient manner. The process for manufacturing a plasma display panel comprising a step of transferring a coating material layer formed on a support film to the surface of a glass substrate to which an electrode is secured; and a step of baking the transferred coating material layer to form a dielectric layer on the surface of the glass substrate.Type: GrantFiled: April 3, 1998Date of Patent: November 9, 1999Assignee: JSR CorporationInventors: Tadahiko Udagawa, Hideaki Masuko, Yoshio Tanzawa
-
Patent number: 5792589Abstract: A radiation sensitive composition containing a fluorescent substance dispersed therein, comprising (A) the fluorescent substance, (B) an organic polymer binder, (C) at least one optically crosslinkable compound selected from optically crosslinkable monomers and oligomers, and (D) an optically radical-generating agent which comprises (a) a 2,4,5-triaryl imidazole dimer, (b) an amino group-containing benzophenone photosensitizer, and (c) a thiol compound represented by the following formula (1): ##STR1## wherein Z is --O--, --S--, --NH-- or --CONH--. This radiation sensitive composition can provide a fluorescent screen having a larger film thickness and a higher display brightness and hence, will greatly contribute to increases in the size and precision of a fluorescent display device such as a plasma display panel.Type: GrantFiled: February 4, 1997Date of Patent: August 11, 1998Assignee: Japan Synthetic Rubber Co., Ltd.Inventors: Tadahiko Udagawa, Hideaki Masuko, Hiroaki Nemoto, Nobuo Bessho