| Patent Number |
Title Of Patent |
Date Issued |
| 7150906 |
Display panel and method of manufacturing the same |
December 19, 2006 |
| A display panel includes a transparent image recording sheet having electrophotographically formed thereon at least a background portion, wherein space factor of pinholes per unit area of the background portion is no greater than 1.times.10.sup.-2%. A method of manufacturing the disp |
| 7018752 |
Display panel and method of manufacturing the same |
March 28, 2006 |
| A display panel includes a transparent image recording sheet having electrophotographically formed thereon at least a background portion, wherein space factor of pinholes per unit area of the background portion is no greater than 1.times.10.sup.-2%. A method of manufacturing the disp |
| 6921617 |
Toner for developing an electrostatic latent image, developer, developer unit, and method for fo |
July 26, 2005 |
| The toner comprises a white color toner particle and an external additive containing a hydrophobic titanium oxide particle. The absolute charge value of the toner is 20 to 50 .mu.C/g. The developer contains a white color toner particle and a carrier having a surface coated with a resin |
| 6866978 |
Toner for developing an electrostatic latent image, developer, developer unit, and method for fo |
March 15, 2005 |
| The toner comprises a white color toner particle and an external additive containing a hydrophobic titanium oxide particle. The absolute charge value of the toner is 20 to 50 .mu.C/g. The developer contains a white color toner particle and a carrier having a surface coated with a resin |
| 6500594 |
Electrophotographic developer and process for forming image |
December 31, 2002 |
| An electrophotographic developer and a process for forming an image are provided in that the fixing can be conducted at a lower temperature than the conventional technique, and that are excellent in the powder storage stability, the anti-blocking property and the image storage stability |
| 6455215 |
Magenta toner for electrophotography, magenta developer for electrophotography, and image formin |
September 24, 2002 |
| An electrophotographic magenta toner which comprises a binder resin and a colorant comprising (a) 0.5 to 15 parts by weight of C.I. Pigment Red 57:1 and (b) 0.5 to 15 parts by weight of C.I. Pigment Red 81 or C.I. Pigment Red 122, per 100 parts by weight of the toner. A magenta developer |
| 6242146 |
Carrier for electrostatic-charged image developer, developer and image forming process using the |
June 5, 2001 |
| A carrier for two-component electrostatic-charged image developer, at least the surface of which is coated with a resin, is provided. The apparent density .rho. (g/cm.sup.3) of the carrier, the mean particle diameter D (cm) of the carrier, and the specific area S (cm.sup.2 /g) of the car |
| 6214512 |
Image forming method |
April 10, 2001 |
| In an image forming method having the step of developing an electrostatic latent image on an electrostatic latent image carrying member using a toner layer on a developer carrying member, the step of transferring the developed toner image onto a belt transfer body 7 which is a first |
| 6101358 |
Image-forming method |
August 8, 2000 |
| Provided is an image-forming method including a step of forming a layer of a developer on a surface of a developer support member disposed facing a latent image support member, a developing step of developing an electrostatic latent image on the latent image support member using the |
| 5972547 |
Electrostatic charge image developing toner, electrostatic charge image developer, and image for |
October 26, 1999 |
| There is provided an electrostatic charge image developing toner comprising at least a binder resin, a coloring agent, and an aromatic hydrocarbon copolymer resin, wherein, in a toner particle, the percentage of dispersed aromatic hydrocarbon copolymer resin particles having a longitudin |
| 5884129 |
Electrostatic-image developer and image forming process |
March 16, 1999 |
| An electrostatic-image developer which comprises: (i) a toner comprising: (a) toner particles containing carbon black in an amount of from 6 to 8% by weight based on the weight of the toner particles and having a volume-average particle diameter of from 3 to 9 .mu.m; and (b) an external |
| 5804351 |
Toner for electrostatic-image development, developer for electrostatic image, and image forming |
September 8, 1998 |
| A toner for electrostatic-image development which comprises toner particles comprising a colorant and a binder resin, the toner particles having a volume-average particle diameter of from 3 to 9 .mu.m and a particle size distribution satisfying the following expressions (1) and (2):where |
| 5705303 |
Toner composition for electrophotography |
January 6, 1998 |
| A toner composition for electrophotography comprising toner particles comprising a binder and a colorant and an additive, wherein the additive is crystalline titanium dioxide fine particles which have been treated with a coupling agent and which have a specific surface area of 60 to 100 |
| 5693444 |
Electrostatic-image developer and image forming process |
December 2, 1997 |
| An electrostatic-image developer which comprises a toner and a carrier comprising core particles coated with a coating resin, wherein the toner comprises toner particles having a volume-average particle diameter of from 3 to 9 .mu.m and having a specific particle diameter distribution, a |
| 5665511 |
Surface-treated inorganic fine particle and electrophotographic developer using the same |
September 9, 1997 |
| A surface-treated inorganic fine particle includes an inorganic fine particle, a hydrophobizing agent deposited on the surface of the inorganic fine particle and an amino group-containing coupling agent deposited on the surface of the inorganic fine particle, wherein the hydrophobizing |
| 5663021 |
Film for electrophotographic transfer, color toner, and method of color image formation |
September 2, 1997 |
| A film for electrophotographic transfer comprising a transparent plastic film having a heat resistance temperature of 100.degree. C. or higher having provided on at least one side thereof a transparent resin layer, wherein the transparent resin layer comprises a polyester resin having a |
| 5320925 |
Electrophotographic toner composition |
June 14, 1994 |
| An electrophotographic toner composition comprising (A) toner particles with an average particle diameter of 9 .mu.m or less comprising at least a binder resin and a colorant, and (B) an additive, wherein the additive is a fine metal oxide powder surface coated with at least one agent fo |
| 5296324 |
Toner for developing electrostatic charge image and process for preparing the same |
March 22, 1994 |
| A toner for developing an electrostatic charge image is disclosed, which is formed by adding and mixing an external additive with toner particles having an average particle size of not larger than 9 .mu.m and comprising at least a colorant and a binder resin, wherein the external additiv |
| 5288578 |
Positively chargeable carrier |
February 22, 1994 |
| A positively chargeable carrier for developing electrostatic charge images having good surface staining resistance and good environmental reliance of charging is disclosed, which comprises a core material having formed thereon an interlayer having a triboelectrification controlling funct |