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| Number | Title | Issue Date |
| 7431528 | Telescopic handwriting pen A telescopic handwriting pen for PDA or cellular phone. In one embodiment, the pen comprises tubelike inner, intermediate, and outer sections and first and second coupling assemblies fitted in front ends of the inner and intermediate sections. Either coupling assemb... | 10/07/2008 |
| 7416359 | Letter opening stylus and writing instrument with pocket clip An improvement to a writing instrument with stylus, a pocket clip and an integrated letter-opening blade. The improvement consists of locating the letter-opening blade in the pocket clip of the pen. The blade is prevented from cutting the pocket of the user due to a... | 08/26/2008 |
| 7374359 | Expandable and contractible stylus An expandable and contractible stylus for interfacing with a touchscreen of an electronic device. The expandable and contractible feature allows for a stylus that contracts to fit into a stylus holder in a small handheld device and expands to facilitate its removal ... | 05/20/2008 |
| 7374309 | Waterproof, miniature light-emitting diode (LED) device Waterproof miniature LED device including a cylinder having a first housing part with an internal thread and a second housing part with an external thread and rotatably coupled to the first housing part via engagement of the threads, an LED light assembly mounted to... | 05/20/2008 |
| 7329063 | Twist-type telescopic ball-point pen An extendable/contractible writing instrument with a simple rotating operation. The writing medium is exposed through a rotating motion, while at the same time also exposing an auxiliary tool, such as a silicon gum eraser, at the opposite end. ... | 02/12/2008 |
| 7319460 | Electronic device with retractable stylus An electronic device with retractable stylus. The electronic device comprises a main body and a stylus. The stylus comprises a resilient member disposed therein and a latching mechanism for engaging the main body. To connect the stylus and the main body, the resilie... | 01/15/2008 |
| 7303351 | Writing instrument and welding method of writing point assembly and writing instrument parts connecting structure and connecting method A writing point assembly and an ink tube and/or a holder can be welded appropriately at a predetermined area without using ultrasonic waves, so as to be able to prevent dislodging of the writing point assembly, ink leakage and the like. The rear end part, of a metal... | 12/04/2007 |
| 7171864 | Method for testing writing instruments The present invention concerns a method for controlling writing instruments, in particular ball-point pens, on paper, which consists in guiding the writing instrument relative to the paper plane in a repeated movement and displacing the paper in forward direction. T... | 02/06/2007 |
| 7101104 | Free ink system A free ink marking instrument for dispensing an ink, including a housing, a reservoir for storing ink within the housing, a feed tube to convey ink communicating with the reservoir, a tip disposed within the feed tube for conveying ink to a substrate at a marking en... | 09/05/2006 |
| 7077594 | Expandable and contractible stylus An expandable and contractible stylus for interfacing with a touchscreen of an electronic device. The expandable and contractible feature allows for a stylus that contracts to fit into a stylus holder in a small handheld device and expands to facilitate its removal ... | 07/18/2006 |
| 7068262 | Writing stylus for electrographic position location apparatus A stylus for an electrographic position location apparatus is disclosed. In one embodiment, the stylus includes a writing element that is retractable. The stylus may have a proximal end and a distal end. A conductive annular structure may be at the proximal end of t... | 06/27/2006 |
| 7018124 | Writing implement with stylus 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 mech... | 03/28/2006 |
| 6914596 | Personal digital assistant with retractable stylus A Personal Digital Assistant (PDA) with retractable stylus comprises a retractable stylus, a housing, a stylus slot, and a push portion, wherein a contact pad is attached to the inner side of the push portion. The retractable stylus comprises a pen shaft having a re... | 07/05/2005 |
| 6893179 | Rotary bar-projecting mechanism for push-button implement A rotary bar-projecting mechanism for a push-button implement comprises: a first bar held axially slidably in a barrel, an operating means capable of making the first bar project from the front end of the barrel when pushed, a tail cap fixed to the barrel and intern... | 05/17/2005 |
| 6830404 | Input pen An input pen is capable of being held in any one of input pen holding parts, respectively having different shapes, of various personal digital assistants. The input pen has a barrel, and stopping members fitted in opposite end parts of a metal tube. An elastic membe... | 12/14/2004 |
| 6819557 | Ergonomic stylus storable in the pen slot of a personal digital assistant An ergonomic stylus for a personal digital assistant, a tablet PC or other computer with a pen-based interface, with a body consisting of a tip and two or more arms. The arms reflexively assume an open position when removed from the pen slot of the pen-based compute... | 11/16/2004 |
| 6702500 | Writing instrument with combination pocket clip and stylus assembly A multi-functional writing instrument which includes a combination pocket clip and stylus for input devices, such as personal digital assistants. The writing instrument includes a body having a cap portion, and the combination clip member and stylus havin... | 03/09/2004 |
| 6659673 | Writing instrument with combination pocket clip and stylus assembly A multi-functional writing instrument which includes a combination pocket clip and stylus for input devices, such as personal digital assistants. The writing instrument includes a body having a cap portion, and the combination clip member and stylus havin... | 12/09/2003 |
| 6626598 | Adjustable finger stylus An adjustable and economical finger stylus useful in operating a touch sensitive screen and for entering data in, e.g., a personal data assistant (PDA). The adjustable elements of the finger stylus provide for rapid, convenient and significant adjustabili... | 09/30/2003 |
| 6533480 | Adjustable finger stylus An adjustable and economical finger stylus useful in operating a touch sensitive screen and for entering data in, e.g., a personal data assistant (PAD). The adjustable elements of the finger stylus provide for rapid, convenient and significant adjustabili... | 03/18/2003 |
| 6533483 | Multi-media writing instruments and methods for their use Apparatuses and methods for providing a multi-media writing instrument having locking grips. The grips are locked into position so that they will not rotate around the outer diameter of the pen. In particular, the upper grip of the multi-media writing ins... | 03/18/2003 |
| 6527464 | Fingertip pen/stylus A multi-purpose fingertip pen/stylus comprising a flexible shaft having first and second ends made of a bendable material, which retains a twisted shape, said shaft sized of sufficient length to wrap and secure about the fingertip of a writing digit or to... | 03/04/2003 |
| 6450721 | Stylus and retractable pen A stylus for a handheld computing device has a clip with detents and spaced apart ribs for securing the stylus in a stylus slot of the handheld device. The clip has grooves on the outward-facing surface, making the clip easier to grasp in order to remove ... | 09/17/2002 |
| 6361232 | Input pen A input pen for a portable information processing terminal device with an input tip (12) biased axially forward by pressure applied thereto by a return spring (13). The pressure applied to the input tip (12) is optionally adjustable. A front barrel 10 is ... | 03/26/2002 |
| 6227743 | Pen cap stylus for use with touch screens A pen cap stylus (or screen operator) is useful in combination with a conventional writing implement, such as a pencil or an ink pen. The manner in which the pen cap stylus screen operator engages to an end of a writing implement is analogous to how a pen... | 05/08/2001 |
| 6106180 | Handwriting or ink applying device A handwriting or ink applying device includes a casing for holding a flexible ink container, the casing having a writing tip at a writing end thereof The rear end of the writing tip communicates with an L-shaped ink-containing chamber. The ink-containing ... | 08/22/2000 |
| 5499881 | Writing implement with correction supply A writing implement with correction function including: a barrel; an adjusting member threadedly engaged with an upper end of the barrel; a head member snug-fitted with a lower end of the barrel; a plug snug-fitted with a lower end of the head member; a r... | 03/19/1996 |
| 5445466 | Liquid applicator with screw lock First and second engaging projected portions are formed on opposing circumferential surfaces of a tubular casing and a hollow lead portion which are rotated relative to each other so as to be coupled with, thereby spirally engaging external and internal t... | 08/29/1995 |
| 5443322 | Flow control for writing or drawing instrument A writing or drawing instrument including a writing tip (1) disposed at a front end of the writing instrument which can be brought into contact with a writing or drawing pad, a writing fluid reservoir (7) for supplying the writing tip (1) with writing flu... | 08/22/1995 |
| 5427463 | Ink writing implement An ink writing implement has a front part with a writing tip that comes into contact with the writing substrate, and a writing fluid cartridge whose interior chamber containing the writing fluid is tightly sealed before being put into use, and which is co... | 06/27/1995 |
| 5420615 | Unitary body plotter pen A unitary plotter pen construction useful as a disposable plotter pen. A writing tube is provided centrally and at the front end of a unitary hard plastic body element that defines a writing tube nib; a housing for a soft plastic pressure equalization cha... | 05/30/1995 |
| 5352051 | Writing instrument This invention relates to a writing instrument wherein a temporary ink storage member made of a synthetic resin injection molded article is sandwiched between a pen tip and an ink tank. In the present invention, a flange portion for fitting to a predeterm... | 10/04/1994 |
| 5336007 | Plotter pen with indicator circuit A technical pen, in particular for use in a drafting instrument such as a plotter, with a writing tube (4) fixed in the front end of a pen tip (1, 2, 3), into which a cleaning wire (5), fastened to the front end of a drop weight body (6), extends, has a d... | 08/09/1994 |
| 5217313 | Writing instrument This invention relates to a writing instrument wherein a temporary ink storage member made of a synthetic resin injection molded article is sandwiched between a pen tip and an ink tank. In the present invention, a flange portion for fitting to a predeterm... | 06/08/1993 |
| 5211495 | Tubular writing instrument with suction vent A writing or drawing instrument wherein a housing (1), is provided with a writing point (2) and a writing fluid reservoir (3) within an interior space of the housing. A capillary pressure equalization system (5), that connects the reservoir with the ambie... | 05/18/1993 |
| 5172995 | Plotter pen with coaxial reservoir A stylo pen tip, in particular for use in drafting plotters, has a writing tube (5) in the front end, into which a cleaning wire (6) extends from the rear, which is fixed at the front end of a drop weight body (7) which is movable back and forth axially t... | 12/22/1992 |
| 5154526 | Capillary pen cover Protective cap for capillary writing instruments comprised of a relatively flexible outer casing and a relatively rigid inner casing. One end of the outer casing is adapted to form a substantially fluid tight seal on the body of a writing instrument. A fl... | 10/13/1992 |
| 5067839 | Stylo pen tip and auxiliary removing tool A stylo pen tip has a front part (2) supporting the writing tube (6), on which a writing fluid cartridge (10) has been placed from behind with its front section. The front end area of the writing fluid cartridge (10) forms a narrowed, elastically stretcha... | 11/26/1991 |
| 5052841 | Stylo pen tip A stylo pen tip with a drop weight body (7) which is located inside an inner bore (6) of a housing (1,1') connected with the writing fliud reservoir (16) and which has a cleaning wire (8) at its front end extending into the writing tube (2) supported on t... | 10/01/1991 |
| 5004365 | Drop-weight and tubular writing instrument A drop weight for a tubular writing instrument has a drop weight body consisting of an upper and lower part (20; 22). The lower part (22) has a front support surface for supporting the drop weight body in its front position inside the tubular writing inst... | 04/02/1991 |
