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Developing unit for an image forming apparatus 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • G03G-015/06
출원번호 US-0077749 (1993-06-17)
우선권정보 JP-0195901 (1991-07-09); JP-0195902 (1991-07-09); JP-0195903 (1991-07-09); JP-0247024 (1991-08-31); JP-0184486 (1992-06-17); JP-0184487 (1992-06-17); JP-0186311 (1992-06-18); JP-0186314 (1992-06-18)
발명자 / 주소
  • Yoshiki Shigeru (Kawasaki JPX) Oka Seiji (Yokohama JPX) Ishikawa Tomoji (Yokohama JPX) Kai Tsukuru (Fujisawa JPX)
출원인 / 주소
  • Ricoh Company, Ltd. (Tokyo JPX 03)
인용정보 피인용 횟수 : 49  인용 특허 : 0

초록 ▼

A developing unit incorporated in an image forming apparatus and capable of transporting a developer or a toner deposited on a developing roller in a predetermined direction without rotating the developing roller, or developer carrier. The developing roller has an unrotatable base roller, a stationa

대표청구항 ▼

A developing unit incorporated in an image forming apparatus for developing an electrostatic latent image formed on an image carrier by supplying a developer from a developer carrier, comprising: developer supplying means for supplying the developer to the developer carrier; and electrostatic actuat

이 특허를 인용한 특허 (49)

  1. Sugihara Kazuyuki,JPX ; Ishikawa Tomoji,JPX ; Kosuge Katsuhiro,JPX, Agitation and charging device for an image forming apparatus.
    상세보기
  2. Ikesue Masumi (Tokyo JPX) Kai Tsukuru (Fujisawa JPX) Yano Hidetoshi (Yokohama JPX) Yokokawa Nobuto (Gotenba JPX), Cartridge for replenishing two-ingredient developer to an image forming apparatus and a replenishing device using the sa.
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  3. Ichikawa, Hideo; Saito, Takeshi; Ikeda, Sunao; Makita, Nobuhiro; Ozawa, Seiji; Yoshiki, Shigeru; Yanagisawa, Takaaki, Developer replenishing device and developer container for use therewith.
    상세보기
  4. Nishiwaki, Kenjiro, Developer supply apparatus and image forming apparatus.
    상세보기
  5. Uno, Takanori; Okamura, Mitsukiyo; Nishiwaki, Kenjiro; Maruyama, Yasuhiro; Hazeyama, Tomoaki; Maeda, Masataka; Hattori, Tomoaki, Developer supply apparatus and image forming apparatus.
    상세보기
  6. Okano, Keiji, Developing apparatus.
    상세보기
  7. Yoshiki, Shigeru, Developing device for an image forming apparatus and bearing seal structure for the same.
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  8. Tsuda Kiyonori,JPX ; Oka Seiji,JPX ; Oyama Hajime,JPX ; Akiba Yasushi,JPX, Developing device for an image forming apparatus having developer distribution features.
    상세보기
  9. Kosuge Katsuhiro,JPX, Developing device for image forming apparatus and toner container therefor.
    상세보기
  10. Kosuge Katsuhiro,JPX ; Ishikawa Tomoji,JPX ; Sugihara Kazuyuki,JPX, Developing device for image forming apparatus and toner container therefor.
    상세보기
  11. Ikeguchi, Hiroshi; Kai, Tsukuru; Sekine, Takeyoshi; Yamanaka, Toshihiko, Developing device having a developer carrier including main and auxiliary magnetic poles and image forming apparatus using the same.
    상세보기
  12. Yamanaka, Takayuki; Kazaki, Yuichi; Kido, Eiichi; Inoue, Atsushi; Nakaya, Hiroaki, Developing device having thickness regulating member and image forming apparatus.
    상세보기
  13. Ariizumi, Osamu; Sekine, Takeyoshi; Takami, Nobuo, Developing device using a magnet brush and image forming apparatus including the same.
    상세보기
  14. Oka Seiji,JPX ; Tsuda Kiyonori,JPX ; Oyama Hajime,JPX ; Sasaki Fumihiro,JPX ; Mochizuki Satoshi,JPX ; Kato Takahisa,JPX, Developing device using a toner and carrier mixture.
    상세보기
  15. Yasutomi, Kei; Kai, Tsukuru; Shoji, Hisashi; Takeuchi, Nobutaka, Developing method and a developing device for image forming apparatus.
    상세보기
  16. Ishii, Yasuyuki; Kosugi, Hideki; Takahashi, Tomoko; Nakagawa, Yoshinori; Yamada, Masaaki; Kadota, Ichiro, Development device.
    상세보기
  17. Yoshizawa Hideo,JPX ; Yoshiki Shigeru,JPX, Development device of an image forming apparatus and a driven toner bottle for use in the development device.
    상세보기
  18. Hosaka Yasuo (Tokyo JPX) Nagato Hitoshi (Tokyo JPX) Nakao Hideyuki (Kawasaki JPX), Electrostatic recording apparatus providing an electric field adjacent a developer roller.
    상세보기
  19. Maruyama, Yasuhiro, Image formation device and developer supplying device.
    상세보기
  20. Aoki, Katsuhiro; Shoji, Hisashi; Kai, Tsukuru; Oyama, Hajime; Tarumi, Noriyoshi; Hodoshima, Takashi; Miyoshi, Yasuo, Image forming apparatus and an image forming process unit.
    상세보기
  21. Sekine, Takeyoshi; Ikeguchi, Hiroshi; Kai, Tsukuru, Image forming apparatus and image forming process unit with developer carried on a developer carrier.
    상세보기
  22. Ishikawa Tomoji,JPX ; Sugihara Kazuyuki,JPX ; Kimura Yoshiyuki,JPX ; Maeda Kenji,JPX ; Kawamura Yoshihide,JPX ; Ogata Fumio,JPX, Image forming apparatus having an improved developer-supplying mechanism and method thereof.
    상세보기
  23. Tomoji Ishikawa JP; Kazuyuki Sugihara JP; Yoshiyuki Kimura JP; Kenji Maeda JP; Yoshihide Kawamura JP; Fumio Ogata JP, Image forming apparatus having an improved developer-supplying mechanism and method thereof.
    상세보기
  24. Matsuda, Itaru, Image forming apparatus having developing device including developing rollers with differing flux density and optical writing device using xonality data of four levels or less.
    상세보기
  25. Miyoshi, Yasuo; Kai, Tsukuru, Image forming apparatus having developing device with magnet roller with particular magnetic flux density.
    상세보기
  26. Miura Tetsuro,JPX ; Hatori Satoshi,JPX ; Sugihara Kazuyuki,JPX ; Ishikawa Tomoji,JPX ; Kimura Yoshiyuki,JPX ; Maeda Kenji,JPX, Image forming apparatus including a preventing mechanism for preventing a developing unit from rotating.
    상세보기
  27. Miyaguchi, Yohichiroh; Takemoto, Takeshi; Okamoto, Hiroyuki; Imai, Chikara; Sakai, Katsuo; Kondou, Nobuaki; Kai, Tsukuru; Obu, Makoto, Image forming apparatus including electrostatic conveyance of charged toner.
    상세보기
  28. Arai,Yuji; Sampe,Atsushi; Tsuda,Kiyonori; Suda,Takeo; Hatori,Satoshi; Ishikawa,Tomoji; Watanabe,Naoto; Nagashima,Hiroyuki; Kimura,Yoshiyuki; Kuwabara,Nobuo; Hosokawa,Hiroshi; Zemba,Hideki; Murakami,W, Image forming apparatus using installable process cartridge, method of positioning process cartridge, and process cartridge itself.
    상세보기
  29. Yoshiki Shigeru,JPX ; Yoshizawa Hideo,JPX, Image forming apparatus with toner housing container which promotes efficient toner supply.
    상세보기
  30. Katsuhiro Aoki JP; Hajime Oyama JP; Takashi Hodoshima JP, Image forming apparatus, developing device therefor and image forming process unit.
    상세보기
  31. Matsumoto, Junichi; Aoki, Katsuhiro; Hodoshima, Takashi, Image forming method and apparatus using developer carrier pressed into engagement with image carrier.
    상세보기
  32. Naganuma Yoshiko,JPX ; Kai Tsukuru,JPX, Method and apparatus for image forming capable of performing an improved circulation of developer.
    상세보기
  33. Aoki,Katsuhiro; Kai,Tsukuru; Ikeguchi,Hiroshi, Method and apparatus for image forming capable of reducing mechanical stresses to developers during transportation for development.
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  34. Tsuda,Kiyonori; Sampe,Atsushi; Suda,Takeo; Hatori,Satoshi; Arai,Yuji; Ishikawa,Tomoji; Watanabe,Naoto, Method and apparatus of image forming and process cartridge included in the apparatus.
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  35. Tsuda,Kiyonori; Sampe,Atsushi; Suda,Takeo; Hatori,Satoshi; Arai,Yuji; Ishikawa,Tomoji; Watanabe,Naoto, Method and apparatus of image forming and process cartridge included in the apparatus.
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  36. Bard Erik Christopher ; Denton Gary Allen ; Dreyfuss David Daniel, Optimization of transport parameters for traveling wave toner transport devices.
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  37. Sugihara Kazuyuki,JPX ; Ishikawa Tomoji,JPX ; Kimura Yoshiyuki,JPX ; Maeda Kenji,JPX, PC drum integrated revolving type developing unit with pull-out supporter.
    상세보기
  38. Tsuda,Kiyonori; Sampe,Atsushi; Hatori,Satoshi; Arai,Yuji; Suda,Takeo; Ishikawa,Tomoji; Watanabe,Naoto, Powder transport apparatus and image forming apparatus that can stabilize replenishment of powder.
    상세보기
  39. Bard Erik Christopher ; Denton Gary Allen ; Dreyfuss David Daniel, Printing apparatus with focusing of toner particles.
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  40. Sugihara Kazuyuki,JPX ; Ishikawa Tomoji,JPX ; Kosuge Katsuhiro,JPX, Rotary developing device for an image forming apparatus.
    상세보기
  41. Sugihara Kazuyuki,JPX ; Ishikawa Tomoji,JPX ; Kosuge Katsuhiro,JPX, Rotary developing device for an image forming apparatus.
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  42. Cook William Paul ; Denton Gary Allen ; Dreyfuss David Daniel, Scanning print head.
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  43. Yoshiki Shigeru,JPX ; Kusunose Noboru,JPX ; Tatsumi Kenzo,JPX ; Yoshizawa Hideo,JPX, Toner bottle.
    상세보기
  44. Yoshiki Shigeru,JPX ; Kusunose Noboru,JPX, Toner container enclosed in a protective armoring member.
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  45. Shoji Hisashi,JPX ; Ohta Kiyotaka,JPX ; Kai Tsukuru,JPX ; Yokokawa Nobuto,JPX ; Tsuda Kiyonori,JPX ; Hatori Satoshi,JPX, Toner replenishing and developer replacing device for a developing unit of an image forming apparatus.
    상세보기
  46. Yoshiki, Shigeru, Toner scatter preventing device and image forming apparatus including the same.
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  47. Yoshiki, Shigeru, Toner scatter preventing device and image forming apparatus using the same.
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  48. Bard Erik Christopher ; Denton Gary Allen ; Dreyfuss David Daniel, Toner transport device having electrically altered launch runway and particle flow dividers.
    상세보기
  49. Cook William Paul ; Denton Gary Allen ; Dreyfuss David Daniel, Traveling wave and vertical toner transfer.
    상세보기

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