Patents by Inventor Hidehei Kageyama

Hidehei Kageyama 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).

  • Publication number: 20100003063
    Abstract: There is provided a liquid applicator allowing a liquid to be easily replenished and replaced, as well as capable of containing a large amount of liquid. The liquid applicator includes a main body provided with a tank inside thereof, a tip shaft that is coupled to the tip end side of the main body, and a brush that is fixed in the tip shaft and projecting from the tip end of the tip shaft. A liquid may be sucked into a tank by releasing the coupling of the main body and the tip shaft, sinking a tip end opening of the main body in the liquid, and sliding a sliding cylinder attached to the rear portion of the main body.
    Type: Application
    Filed: January 10, 2008
    Publication date: January 7, 2010
    Applicant: Kotobuki & Co, Ltd
    Inventors: Hidehei Kageyama, Yoshio Noguchi, Yoshiyuki Sawayama
  • Patent number: 7607203
    Abstract: A problem of damage, breakage or dirtying of parts, resulting from attachment of the parts is solved by eliminating press-fitting and bonding for attachment of a clip ornament to a clip piece. A clip ornament includes an ornament main body to be inserted into an attachment hole of a clip piece and grip portions provided at upper and lower portions of the ornament main body so as to grip the clip piece. An attachment jig is moved along the lower surface of the clip piece, the leading end of the attachment jig is inserted between the upper and lower grip portions, a gap between the upper and lower grip portions is widened while the clip ornament is moved for attachment, and the lip of the attachment hole of the clip piece is inserted between the upper and lower grip portions.
    Type: Grant
    Filed: December 18, 2006
    Date of Patent: October 27, 2009
    Assignee: Kotobuki & Co., Ltd.
    Inventors: Hidehei Kageyama, Sachio Arai
  • Publication number: 20080260453
    Abstract: An end plug mounting structure for writing instrument of the present invention can securely mount an end plug onto a barrel and remove it more easily. Even if assembling and removing is performed repeatedly, tightness for the end plug to be assembled on the barrel can be prevented from weakening. A locking hole is provided around cylindrical rear portion of the barrel, an inserting portion with circular cross section inserted into rear portion of the barrel from rear end of the barrel is provided on the end plug, a locking protrusion locked in a locking hole is provided at periphery of the inserting portion, a groove extending forward from rear end of the barrel and in which the locking protrusion moves is provided on inner surface of rear portion of the barrel, thereby the end plug is assembled on the barrel by means of locking the locking protrusion that moves forward in the groove in the locking hole.
    Type: Application
    Filed: October 5, 2007
    Publication date: October 23, 2008
    Applicant: Kotobuki & Co. Ltd.
    Inventor: Hidehei Kageyama
  • Publication number: 20080247804
    Abstract: In a stick-shaped material propelling container capable of propelling and retracting a stick-shaped material, the influence of variation of the dimension of the stick-shaped material can be made small. An inner barrel is slidably inserted in an outer barrel, an elastic body which urges the inner barrel rearward is provided between the inner barrel and the outer barrel, a chuck piece which holds a stick-shaped material is provided at a tip end portion of the inner barrel, and a chuck ring is inserted between the chuck piece and the outer barrel. A cross section of the stick-shaped material forms a triangular shape, the frictional force applying part which is in contact with the stick-shaped material to apply a frictional force is formed on an inner peripheral surface of the outer barrel, and the frictional force applying part abuts on a side in the vicinity of a vertex of the stick-shaped material in a cross section of the stick-shaped material.
    Type: Application
    Filed: March 26, 2008
    Publication date: October 9, 2008
    Applicant: Kotobuki & Co., Ltd.
    Inventor: Hidehei Kageyama
  • Publication number: 20080138139
    Abstract: A capless writing tool comprising a refill adapted to slide longitudinally through the interior of a barrel, an inner tube adapted to move through the interior of the barrel together with the refill, and a lid mounted pivotably in a front portion of the inner tube to open and close a front opening of the inner tube, the lid having a retaining projection for engagement with the barrel or a front piece.
    Type: Application
    Filed: December 8, 2006
    Publication date: June 12, 2008
    Applicant: KOTOBUKI & CO., LTD.
    Inventor: Hidehei Kageyama
  • Patent number: 7290954
    Abstract: A airtight cap structure is capable of coming into close contact with a tip to be used and securing airtightness, even if the tip might be inserted in the cap with having a relative angle or offset between the cap and the tip. A cap comprises an outer cap and an inner cap arranged in the outer cap. The inner cap is mounted to the outer cap so that the inner cap can incline relative to the central axial line of the cap, and the cap comes into close contact with the tip or its periphery when the cap covers the tip.
    Type: Grant
    Filed: November 8, 2006
    Date of Patent: November 6, 2007
    Assignee: Kotobuki & Co., Ltd.
    Inventors: Hidehei Kageyama, Tomoaki Suzuki
  • Publication number: 20070248397
    Abstract: An inner barrel is slidably inserted into an outer barrel, chuck pieces which hold a stick-shaped material is provided at a tip end portion of the inner barrel, a chuck ring is inserted between the chuck pieces and the outer barrel, an elastic member receiving part is provided at part of an inner peripheral surface in a circumferential direction of the outer barrel, an elastic member receiving part is provided at part of an outer peripheral surface in the circumferential direction of the inner barrel, and a coil spring is placed at part in a circumferential direction of the outer barrel and the inner barrel between the elastic member receiving part and the elastic member receiving part, and urges the inner barrel with respect to the outer barrel.
    Type: Application
    Filed: December 27, 2006
    Publication date: October 25, 2007
    Applicant: Kotobuki & Co., Ltd
    Inventors: Hidehei Kageyama, Tadashi Keda
  • Patent number: 7284927
    Abstract: A writing instrument including a stick-shaped material propelling mechanism which is capable of propelling a stick-shaped material without relatively rotating the stick-shaped material with a small number of components is provided. The writing instrument includes an outer barrel, a lead feeding mechanism disposed in the outer barrel, and a stick-shaped material propelling mechanism connected to a rear portion of the lead feeding mechanism, a female thread is formed on an inner peripheral surface of a rear portion of a lead tank of the lead feeding mechanism. The stick-shaped material propelling mechanism includes a knock cap connected to the lead feeding mechanism to be relatively rotatable, and a stick-shaped material bearer which is slidable and unrotatable relative to the knock cap and for holding a stick-shaped material, and a male thread which is screwed into the female thread of the lead tank is integrally formed at the stick-shaped bearer.
    Type: Grant
    Filed: June 24, 2005
    Date of Patent: October 23, 2007
    Assignee: Kotobuki & Co., Ltd.
    Inventor: Hidehei Kageyama
  • Publication number: 20070217858
    Abstract: A lead cartridge capable of holding a rod-shaped object of a sufficient length and allowing simultaneous replacement of the lead and the rod-shaped object is to be provided. A lead cartridge which includes a lead tank for containing leads and is detachably incorporated into a mechanical pencil to supply leads has a rod-shaped object feeding mechanism which propels the rod-shaped object by turning manipulation. This rod-shaped object feeding mechanism is configured of a spiral groove formed in the inner circumferential surface of a case comprising the lead tank, a guide sleeve which is arranged in the case to be unable to move in the axial direction and able to turn relative to the case and in which guide holes extending in the axial direction are formed, and a receptacle which is slidably fitted into the guide holes of the guide sleeve and has a male thread screwing into the spiral groove. A rod-shaped object is held by the receptacle.
    Type: Application
    Filed: February 14, 2007
    Publication date: September 20, 2007
    Applicant: Kotobuki & Co, Ltd.
    Inventors: Hidehei Kageyama, Yoshio Noguchi
  • Publication number: 20070192999
    Abstract: A problem of damage, breakage or dirt of parts, resulting from attachment of the parts is solved by eliminating press-fitting and bonding for attachment of a clip ornament to a clip piece. The clip ornament is intended to be attached to the clip piece easily, thereby saving labor and reducing manufacturing cost. A clip ornament includes an ornament main body 11 to be inserted into an attachment hole 22 of a clip piece 2 and grip portions provided at upper and lower portions of the ornament main body 11 so as to grip the clip piece 2 therebetween. An attachment jig 4 is moved along the lower surface of the clip piece 2, the leading end of the attachment jig is inserted between the upper and lower grip portions, a gap between the upper and lower grip portions is widened while the clip ornament 1 is moved for attachment, and the lip of the attachment hole of the clip piece 2 is inserted between the upper and lower grip portions.
    Type: Application
    Filed: December 18, 2006
    Publication date: August 23, 2007
    Applicant: KOTOBUKI & CO., LTD.
    Inventors: Hidehei KAGEYAMA, Sachio ARAI
  • Patent number: 7254870
    Abstract: A cap fixing structure is provided, which is excellent in operability and can be easily assembled. An outer shaft barrel to be fixed with a clip is formed on the outer peripheral surface with an opening, and inside the outer shaft barrel, there is fixedly disposed a clip spring having an elastically displaceable elastic piece portion. The clip comprises a clip main body disposed outside of an outer shaft barrel, and a base portion to enter into the outer shaft barrel from the opening formed in the outer shaft barrel. The base portion of the clip is stopped from being fell out of the opening by the clip spring with elastically contacting the elastic piece portion of the clip spring inside said fixed member so that the clip is fixed to the fixing member. The clip displaces the elastic piece portion so as to be rockable relative to the outer shaft barrel.
    Type: Grant
    Filed: September 15, 2005
    Date of Patent: August 14, 2007
    Assignee: Kotobuki & Co., Ltd.
    Inventors: Hidehei Kageyama, Tadao Odaka
  • Publication number: 20070104533
    Abstract: A airtight cap structure is capable of coming into close contact with a tip to be used and securing airtightness, even if the tip might be inserted in the cap with having a relative angle or offset between the cap and the tip. A cap comprises an outer cap and an inner cap arranged in the outer cap. The inner cap is mounted to the outer cap so that the inner cap can incline relative to the central axial line of the cap, and the cap comes into close contact with the tip or its periphery when the cap covers the tip.
    Type: Application
    Filed: November 8, 2006
    Publication date: May 10, 2007
    Applicant: Kotobuki & Co , Ltd.
    Inventors: Hidehei Kageyama, Tomoaki Suzuki
  • Patent number: 7210869
    Abstract: In a cartridge type stationery product including a body and a cartridge attachable to and detachable from the body, the cartridge is capable of being inserted from an opening of the body, a locking groove is formed on the body, and a locking protrusion which is inserted into the locking groove is formed on the cartridge, and the locking groove is constructed by a first groove portion extending in an axial direction from a vicinity of the opening, and a second groove portion extending from the first groove portion to form an angle with the first groove portion.
    Type: Grant
    Filed: July 22, 2004
    Date of Patent: May 1, 2007
    Assignee: Kotobuki & Co., Ltd.
    Inventors: Hidehei Kageyama, Tadao Odaka
  • Publication number: 20070086830
    Abstract: To provide a liquid container which includes a liquid supply member that is exchangeably mounted thereto and prevents liquids in liquid supply members from being mixed each other after exchanging the liquid supply members. The liquid container is provided which includes a container body with a tank section to hold a liquid, an applicator coupled to the front end of the container body, a piston which is advanced through the tank section, and a piston advancing mechanism which has a pushing member and causes the piston to be advanced through the tank section in response to the operation of the pushing member. The applicator is removably coupled to the container body, and the piston advancing mechanism causes the piston to be moved only forward.
    Type: Application
    Filed: May 2, 2006
    Publication date: April 19, 2007
    Applicants: Kotobuki & Co , Ltd., Cosmopak International Limited
    Inventor: Hidehei Kageyama
  • Patent number: 7163350
    Abstract: In a liquid container, it is made possible to store liquid that is overflowed by fluctuations in atmospheric pressure and thereby to prevent liquid leaks, and the whole quantity of the stored liquid is enabled to be used. The liquid container is provided with a body having a main tank in which liquid is stored; a supply outlet, located toward the tip of the body, for supplying the liquid; a guiding portion connecting the main tank and the supply outlet to guide the liquid from the main tank to the supply outlet; and a liquid reservoir having an air flow port communicating with the exterior and a liquid flow port communicating with the main tank or the guiding portion and an overflowing liquid flow path for storing liquid overflowing the main tank. The liquid is stored farther away from the supply outlet than the liquid flow port.
    Type: Grant
    Filed: November 20, 2003
    Date of Patent: January 16, 2007
    Assignee: Kotobuki & Co., Ltd.
    Inventors: Yoshio Noguchi, Hidehei Kageyama
  • Publication number: 20060291947
    Abstract: A writing instrument including a stick-shaped material propelling mechanism which is capable of propelling a stick-shaped material without relatively rotating the stick-shaped material with a small number of components is provided. The writing instrument includes an outer barrel, a lead feeding mechanism disposed in the outer barrel, and a stick-shaped material propelling mechanism connected to a rear portion of the lead feeding mechanism, a female thread is formed on an inner peripheral surface of a rear portion of a lead tank of the lead feeding mechanism. The stick-shaped material propelling mechanism includes a knock cap connected to the lead feeding mechanism to be relatively rotatable, and a stick-shaped material bearer which is slidable and unrotatable relative to the knock cap and for holding a stick-shaped material, and a male thread which is screwed into the female thread of the lead tank is integrally formed at the stick-shaped bearer.
    Type: Application
    Filed: June 24, 2005
    Publication date: December 28, 2006
    Applicant: Kotobuki & Co., Ltd.
    Inventor: Hidehei Kageyama
  • Patent number: 7137527
    Abstract: To provide a container that can be easily configured and has good operability when opened and closed with one hand. The container includes a container body having an opening, and a lid body that can open and close the opening of the container body, wherein the container body has, near the opening, a journaling portion that supports the lid body rotatably around an axis orthogonal to an opening surface of the opening, while the lid body has a journaled portion that is journaled by the journaling portion, and a lid portion, and the lid body rotates around the journaling portion to allow the lid portion to move to a position for covering the opening and a position for exposing the opening.
    Type: Grant
    Filed: November 3, 2003
    Date of Patent: November 21, 2006
    Assignee: Kotobuki & Co., Ltd.
    Inventors: Hidehei Kageyama, Tadashi Keda
  • Patent number: 7128488
    Abstract: An instrument includes a holder for holding a medium, a cap capable of covering a tip end portion of the medium, and a knock member provided to be capable of knocking to attach and detach the cap. The cap is connected to the knock member via a rotational transform mechanism. The rotational transform mechanism advances the cap in accordance with one knock of the knock member in the axial direction, the rotational transform mechanism rotates the cap around an axis parallel to the axial direction, then retreats the cap, so that the state in which the cap covers the tip end portion of the medium and the state in which the cap allows the tip end portion of the medium to be exposed are switchable for each knock of the knock member.
    Type: Grant
    Filed: September 10, 2004
    Date of Patent: October 31, 2006
    Assignees: Kotobuki & Co., Ltd., GSP Institute Co., Ltd.
    Inventors: Hidehei Kageyama, Osamu Torii, Tomoaki Suzuki
  • Patent number: 7051642
    Abstract: The liquid container includes a body for having a tank portion housing a liquid, and having a supply port on a tip end side, a piston for moving forward inside the tank portion, a piston rod connected with the piston and extending rearward, a manipulating cylinder rotatably mounted to a rear portion of the body, and a rotation stopping cylinder unrotatably disposed in a rear inner portion of the body. A conversion mechanism for converting relative rotation between the manipulating cylinder and the body into movement of the piston rod in an axial direction with respect to the body is provided between the manipulating cylinder and the rotation stopping cylinder, and a rotating direction restricting mechanism for restricting the rotating direction of the manipulating cylinder and the body to one direction is provided.
    Type: Grant
    Filed: July 22, 2004
    Date of Patent: May 30, 2006
    Assignee: Kotobuki Printing Co., Ltd.
    Inventor: Hidehei Kageyama
  • Publication number: 20060083579
    Abstract: A writing implement has a barrel provided with a separate front cap or a front cap formed integrally with the barrel, a writing member placed in the barrel, pushed constantly backward by a return spring and capable of axially sliding in the barrel, and a stylus mechanism.
    Type: Application
    Filed: October 20, 2004
    Publication date: April 20, 2006
    Applicant: Kotobuki & Co., Ltd.
    Inventors: Hidehei Kageyama, Yoshio Noguchi, Juri Saitou