Patents by Inventor Shozo Kosaka
Shozo Kosaka 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).
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Publication number: 20170021371Abstract: Disclosed is a spray gun, comprising a gun main body 1, a coating material nozzle 30 attached to a gun barrel part 2 of the gun main body and formed with at least one groove 15 on a tip end portion having a coating material ejection opening 30A; and an air cap 16 disposed surrounding the coating material ejection opening of the coating material nozzle, introducing air to the at least one groove of the coating material nozzle, and having a side air hole 19 for ejecting air to intersect with coating material ejected from the coating material ejection opening of the coating material nozzle, wherein the coating material nozzle is configured to adjust a position of the at least one groove around a central axis thereof at least at the tip end portion thereof.Type: ApplicationFiled: March 4, 2016Publication date: January 26, 2017Applicant: ANEST IWATA CORPORATIONInventors: Masaru KANEKO, Shozo KOSAKA, Nobuhiro SAWATA, Hirohide SUGIYAMA
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Patent number: 9498788Abstract: Disclosed is a spray gun including: a body having a gun barrel; a coating material nozzle disposed on a tip end side of the gun barrel; and an air cap disposed on the tip end side of the gun barrel to surround a tip end portion of the coating material nozzle, wherein the tip end portion of the coating material nozzle has on the tip end surface thereof a guide wall spreading, and also has on an outer peripheral surface thereof a plurality of air grooves channeled gradually increasing in depth in a longitudinal direction, and wherein the inner peripheral surface of the air cap has a parallel surface parallel to the outer peripheral surface of the tip end portion of the coating material nozzle and successively a tapered surface spreading in a conical shape.Type: GrantFiled: November 28, 2012Date of Patent: November 22, 2016Assignee: ANEST IWATA CORPORATIONInventors: Shozo Kosaka, Masaru Kaneko, Nobuyoshi Morita, Takayuki Hata, Atsushi Morohoshi, Nobuhiro Sawata
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Patent number: 9427758Abstract: There is provided a spray gun comprising: a gun main body; and a trigger having a first locking portion and a second locking portion, the first locking portion locked at one end of a shaft portion provided on the gun main body, the second locking portion locked at the other end of the shaft portion, the trigger operable to rotate about the shaft portion, wherein the shaft portion comprises: a first retaining shaft disposed in a mounting hole formed in the gun main body and locked rotatably on the first locking portion of the trigger; and an elastic member disposed in the mounting hole to bias the first retaining shaft in a direction in which the first retaining shaft exits from the mounting hole.Type: GrantFiled: April 7, 2014Date of Patent: August 30, 2016Assignee: ANEST IWATA CORPORATIONInventor: Shozo Kosaka
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Patent number: 9375736Abstract: Disclosed is a spray gun, including a gun main body, a coating material nozzle attached to a gun barrel part of the gun main body and formed with at least one groove on a tip end portion having a coating material ejection opening; and an air cap disposed surrounding the coating material ejection opening of the coating material nozzle, introducing air to the at least one groove of the coating material nozzle, and having a side air hole for ejecting air to intersect with coating material ejected from the coating material ejection opening of the coating material nozzle, wherein the coating material nozzle is configured to adjust a position of the at least one groove around a central axis thereof at least at the tip end portion thereof.Type: GrantFiled: November 28, 2012Date of Patent: June 28, 2016Assignee: ANEST IWATA CORPORATIONInventors: Masaru Kaneko, Shozo Kosaka, Nobuhiro Sawata, Hirohide Sugiyama
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Patent number: 9358559Abstract: A spray gun including: a body having a gun barrel; a coating material nozzle disposed on a tip end side of the gun barrel, and an air cap disposed on the tip end side of the gun barrel to surround a tip end portion of the coating material nozzle, wherein the tip end portion of the coating material nozzle has on the tip end surface thereof a guide wall spreading, and also has on the outer peripheral surface thereof a plurality of V-shaped grooves channeled in a longitudinal direction, and wherein the V-shaped groove has, in a triangle shaped cross section defined by contours crossing the guide wall, a height in the range of 0.5 mm to 2.5 mm and an opening angle of a bottom vertex in the range of 20 degrees to 100 degrees.Type: GrantFiled: November 28, 2012Date of Patent: June 7, 2016Assignee: ANEST IWATA CORPORATIONInventors: Shozo Kosaka, Masaru Kaneko, Nobuyoshi Morita, Takayuki Hata, Atsushi Morohoshi, Nobuhiro Sawata
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Patent number: 9358558Abstract: Disclosed is a spray gun including: a body having a gun barrel; a coating material nozzle disposed on a tip end side of the gun barrel, and an air cap disposed on the tip end side of the gun barrel to surround a tip end portion of the coating material nozzle, wherein the tip end portion of the coating material nozzle has on the tip end surface thereof a guide wall spreading, and also has on the outer peripheral surface thereof a plurality of air grooves channeled in a longitudinal direction, and wherein each of the air grooves has a bottom portion gradually increasing in depth in the longitudinal direction, the bottom portion being located within a range of the guide wall on the tip end surface of the coating material nozzle.Type: GrantFiled: November 28, 2012Date of Patent: June 7, 2016Assignee: ANEST IWATA CORPORATIONInventors: Shozo Kosaka, Masaru Kaneko, Nobuyoshi Morita, Takayuki Hata, Atsushi Morohoshi, Nobuhiro Sawata
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Patent number: 9358560Abstract: A spray gun including: a body having a gun barrel, a coating material nozzle disposed on a tip end side of the gun barrel; and an air cap disposed on the tip end side of the gun barrel to surround a tip end portion of the coating material nozzle, wherein the tip end portion of the coating material nozzle has on the tip end surface thereof a guide wall spreading and also has on the outer peripheral surface thereof a plurality of air grooves in a V shape channeled in a longitudinal direction, and wherein each of the air grooves has a bottom portion gradually increasing in depth in the longitudinal direction, the bottom portion having a curvature radius of 0.15 mm or less.Type: GrantFiled: November 28, 2012Date of Patent: June 7, 2016Assignee: ANEST IWATA CORPORATIONInventors: Shozo Kosaka, Masaru Kaneko, Nobuyoshi Morita, Takayuki Hata, Atsushi Morohoshi, Nobuhiro Sawata
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Publication number: 20140299678Abstract: There is provided a spray gun comprising: a gun main body; and a trigger having a first locking portion and a second locking portion, the first locking portion locked at one end of a shaft portion provided on the gun main body, the second locking portion locked at the other end of the shaft portion, the trigger operable to rotate about the shaft portion, wherein the shaft portion comprises: a first retaining shaft disposed in a mounting hole formed in the gun main body and locked rotatably on the first locking portion of the trigger; and an elastic member disposed in the mounting hole to bias the first retaining shaft in a direction in which the first retaining shaft exits from the mounting hole.Type: ApplicationFiled: April 7, 2014Publication date: October 9, 2014Applicant: ANEST IWATA CorporationInventor: Shozo KOSAKA
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Publication number: 20140061337Abstract: Disclosed is a spray gun including: a body having a gun barrel; a coating material nozzle disposed on a tip end side of the gun barrel; and an air cap disposed on the tip end side of the gun barrel to surround a tip end portion of the coating material nozzle, wherein the tip end portion of the coating material nozzle has on the tip end surface thereof a guide wall spreading, and also has on an outer peripheral surface thereof a plurality of air grooves channeled gradually increasing in depth in a longitudinal direction, and wherein the inner peripheral surface of the air cap has a parallel surface parallel to the outer peripheral surface of the tip end portion of the coating material nozzle and successively a tapered surface spreading in a conical shape.Type: ApplicationFiled: November 28, 2012Publication date: March 6, 2014Applicant: ANEST IWATA CORPORATIONInventors: Shozo KOSAKA, Masaru KANEKO, Nobuyoshi MORITA, Takayuki HATA, Atsushi MOROHOSHI, Nobuhiro SAWATA
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Publication number: 20140061336Abstract: A spray gun including: a body having a gun barrel; a coating material nozzle disposed on a tip end side of the gun barrel, and an air cap disposed on the tip end side of the gun barrel to surround a tip end portion of the coating material nozzle, wherein the tip end portion of the coating material nozzle has on the tip end surface thereof a guide wall spreading, and also has on the outer peripheral surface thereof a plurality of V-shaped grooves channeled in a longitudinal direction, and wherein the V-shaped groove has, in a triangle shaped cross section defined by contours crossing the guide wall, a height in the range of 0.5 mm to 2.5 mm and an opening angle of a bottom vertex in the range of 20 degrees to 100 degrees.Type: ApplicationFiled: November 28, 2012Publication date: March 6, 2014Applicant: ANEST IWATA CORPORATIONInventors: Shozo KOSAKA, Masaru KANEKO, Nobuyoshi MORITA, Takayuki HATA, Atsushi MOROHOSHI, Nobuhiro SAWATA
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Publication number: 20140042247Abstract: Disclosed is a spray gun including: a body having a gun barrel; a coating material nozzle disposed on a tip end side of the gun barrel, and an air cap disposed on the tip end side of the gun barrel to surround a tip end portion of the coating material nozzle, wherein the tip end portion of the coating material nozzle has on the tip end surface thereof a guide wall spreading, and also has on the outer peripheral surface thereof a plurality of air grooves channeled in a longitudinal direction, and wherein each of the air grooves has a bottom portion gradually increasing in depth in the longitudinal direction, the bottom portion being located within a range of the guide wall on the tip end surface of the coating material nozzle.Type: ApplicationFiled: November 28, 2012Publication date: February 13, 2014Applicant: ANEST IWATA CORPORATIONInventors: Shozo KOSAKA, Masaru KANEKO, Nobuyoshi MORITA, Takayuki HATA, Atsushi MOROHOSHI, Nobuhiro SAWATA
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Publication number: 20140042248Abstract: A spray gun including: a body having a gun barrel, a coating material nozzle disposed on a tip end side of the gun barrel; and an air cap disposed on the tip end side of the gun barrel to surround a tip end portion of the coating material nozzle, wherein the tip end portion of the coating material nozzle has on the tip end surface thereof a guide wall spreading and also has on the outer peripheral surface thereof a plurality of air grooves in a V shape channeled in a longitudinal direction, and wherein each of the air grooves has a bottom portion gradually increasing in depth in the longitudinal direction, the bottom portion having a curvature radius of 0.15 mm or less.Type: ApplicationFiled: November 28, 2012Publication date: February 13, 2014Applicant: ANEST IWATA CORPORATIONInventors: Shozo KOSAKA, Masaru KANEKO, Nobuyoshi MORITA, Takayuki HATA, Atsushi MOROHOSHI, Nobuhiro SAWATA
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Publication number: 20140034757Abstract: Disclosed is a spray gun, including a gun main body, a coating material nozzle attached to a gun barrel part of the gun main body and formed with at least one groove on a tip end portion having a coating material ejection opening; and an air cap disposed surrounding the coating material ejection opening of the coating material nozzle, introducing air to the at least one groove of the coating material nozzle, and having a side air hole for ejecting air to intersect with coating material ejected from the coating material ejection opening of the coating material nozzle, wherein the coating material nozzle is configured to adjust a position of the at least one groove around a central axis thereof at least at the tip end portion thereof.Type: ApplicationFiled: November 28, 2012Publication date: February 6, 2014Applicant: ANEST IWATA CORPORATIONInventors: Masaru KANEKO, Shozo KOSAKA, Nobuhiro SAWATA, Hirohide SUGIYAMA
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Patent number: D607086Type: GrantFiled: September 18, 2009Date of Patent: December 29, 2009Assignee: Anest Iwata CorporationInventor: Shozo Kosaka
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Patent number: D755923Type: GrantFiled: March 4, 2015Date of Patent: May 10, 2016Assignee: Anest Iwata CorporationInventors: Shozo Kosaka, Nobuhiro Sawata
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Patent number: D755924Type: GrantFiled: March 4, 2015Date of Patent: May 10, 2016Assignee: Anest Iwata CorporationInventors: Shozo Kosaka, Nobuhiro Sawata
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Patent number: D812718Type: GrantFiled: June 1, 2016Date of Patent: March 13, 2018Inventor: Shozo Kosaka
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Patent number: D812719Type: GrantFiled: June 1, 2016Date of Patent: March 13, 2018Inventor: Shozo Kosaka
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Patent number: D858698Type: GrantFiled: June 15, 2018Date of Patent: September 3, 2019Assignee: ANEST IWATA CORPORATIONInventors: Kazuki Arino, Takuya Matsumoto, Shozo Kosaka
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Patent number: D858699Type: GrantFiled: June 15, 2018Date of Patent: September 3, 2019Assignee: ANEST IWATA CORPORATIONInventors: Kazuki Arino, Takuya Matsumoto, Shozo Kosaka