| Patent Number |
Title Of Patent |
Date Issued |
| 6836622 |
Optical transmitter, and method of controlling bias voltage to the optical transmitter |
December 28, 2004 |
| The optical transmitter comprises a light source which inputs continuous optical signal and a driving circuit which inputs driving signal to an optical modulator of Mach-Zehnder type. A photo coupler separates a part of the output of the optical modulator. A photo diode converts this par |
| 6515142 |
Process for preparing 2-phenyl-3-naphthylpropionic acid derivatives |
February 4, 2003 |
| A process for preparing a compound represented by general formulae (5) and (6) in the following reaction scheme or salts thereof, wherein R.sup.1 represents a protective group for a nitrogen atom; R.sup.2 represents a methanesulfonyl group or p-toluenesulfonyl group; R.sup.1 represents a |
| 6337405 |
Process for preparing 2-phenyl-3-naphthylpropionic acid derivatives |
January 8, 2002 |
| A process for preparing a compound represented by general formulae (5) and (6) in the following reaction scheme or salts thereof, wherein R.sup.1 represents a protective group for a nitrogen atom; R.sup.2 represents a methanesulfonyl group or p-toluenesulfonyl group; R.sup.3 represents a |
| 6252088 |
Process for preparing 2-phenyl-3-naphthylpropionic acid derivatives |
June 26, 2001 |
| A process for preparing a compound represented by general formulae (5) and (6) in the following reaction scheme or salts thereof, wherein R.sup.1 represents a protective group for a nitrogen atom; R.sup.2 represents a methanesulfonyl group or p-toluenesulfonyl group; R.sup.3 represents a |
| 5559591 |
Image forming apparatus with function of requesting exchange of fixing unit |
September 24, 1996 |
| An image forming apparatus including image forming unit for forming an unfixed image on a recording medium, a pair of fixing rotary members for fixing the unfixed image on the recording medium, a cleaning member for cleaning surfaces of the fixing rotary members, the fixing rotary member |
| 5471284 |
Image forming apparatus having toner depletion detection feature |
November 28, 1995 |
| An image forming apparatus usable with a process cartridge for forming an image on a recording material. The process cartridge includes an image bearing member, and at least one developing device for developing a latent image formed on the image bearing member with a developer. Each of s |
| 5414493 |
Image forming apparatus |
May 9, 1995 |
| An image forming apparatus includes a detachably mountable process cartridge, the process cartridge including an image bearing member and a color developing device actable on the image bearing member, the color developing device containing plural developing units having yellow develo |
| 5307127 |
Developing apparatus using one component toner with improved flowability |
April 26, 1994 |
| A developing apparatus includes a developer carrying member for supplying a developer to an image bearing member, wherein the developer is a one component developer, and has a flowability index of 5-30%. A developing bias voltage application device applies a developing bias to the develo |
| 5287163 |
Overlaid image forming apparatus with coordinated transfer bias and attraction bias voltage sour |
February 15, 1994 |
| A superposed image forming apparatus wherein toner images are superposedly transferred onto a transfer material includes an image bearing member; a device for forming a toner image on the image bearing member; a transfer material carrying member, disposed opposed to the image bearing mem |
| 5250994 |
Image forming apparatus having transfer member supporting member |
October 5, 1993 |
| An image forming apparatus capable of performing a suitable transport that is free from the occurrence of an inner blank, and is free from image or color misalignment. A transfer member supporting member, for supporting a transfer member at a transfer position at which the toner image on |
| 5249023 |
Image forming apparatus having electrostatic attraction member |
September 28, 1993 |
| An image forming apparatus includes a recording material carrying member for carrying a recording material; an image forming device for forming an image on a recording material carried on the recording material carrying member; an attraction member for electrostatically attracting the |
| 5066979 |
Color image forming apparatus wherein plural colors can be formed through one printing cycle |
November 19, 1991 |
| An image forming apparatus is provided with a latent image forming member for forming first and second electrostatic latent images on an image bearing member. A first developer forms a first visualized image by developing the first electrostatic latent image, and a second developer p |
