| Patent Number |
Title Of Patent |
Date Issued |
| 7026993 |
Planar antenna and array antenna |
April 11, 2006 |
| A planar antenna has a radiating element that radiates electric wave, and an earthing conductive plate that reflects the electric wave radiated from the radiating element. There is formed a space between the earthing conductive plate and the radiating element. The radiating element has a |
| 6239753 |
Transmitter-and-receiver device |
May 29, 2001 |
| An earthing conductor is disposed on the reverse of a print board, and a signal process circuit section including a transmit-and-receive circuit is disposed on the right side of the board. A loading coil is mounted on the right side of the board across a print pattern of the signal proce |
| 6205314 |
Developing roller with a coating layer, developer restricting mechanism and developing device in |
March 20, 2001 |
| A developing roller and a developing device are provided to enable a satisfactory developing operation. In order to accomplish this object, a roller main body of the developing roller is made of a roller base material containing acrylonitrile-butadiene rubber as a main component, and |
| 5812153 |
Ink jet printing apparatus capable of simultaneously printing an image on both sides of printing |
September 22, 1998 |
| An ink jet printing apparatus includes a sheet transporting mechanism for transporting a printing sheet along a vertical plane; a first printing head unit provided on a horizontal plane perpendicularly intersecting the vertical plane and having an ink emission portion for emitting ink to |
| 5615877 |
Sheet transporting device for use in an image forming apparatus |
April 1, 1997 |
| A sheet transporting device for use in an image forming apparatus includes a first and second sheet transporting members movable in widthwise directions of sheet to be transported, the first sheet transporting member for transporting the sheet in a lengthwise direction of the sheet in |
| 5506295 |
Ink |
April 9, 1996 |
| Ink comprising an aqueous medium, a water-insoluble colorant and a dispersant for dispersing the colorant in the aqueous medium, the dispersant being a water-soluble polymer obtained by polymerizing a monomer containing at least one monomer selected from acryloylmorpholine represente |
| 5273853 |
Black photoconductive toner having sensitivity to light in the wavelength range of semiconductor |
December 28, 1993 |
| A black photoconductive toner having sensitivity to light in the wavelength range of semiconductor lasers, the toner containing a resinous binder, photoconductive material, a sensitizer, and a perylene black pigment or yellow, magenta, or cyan quinone dyes. |