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For the Inventor, By the Inventor

Tokyo, Japan

Eisaku Murakami

USPTO Granted Patents = 51


Average Co-Inventor Count = 6.6

ph-index = 18

Forward Citations = 823(Granted Patents)

Forward Citations (Not Self Cited) = 696(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Hiratsuka, JP (1996 - 2000)
  • Kanagawa, JP (1997 - 2007)
  • Suginami-ku, JP (2006 - 2007)
  • Tokyo-to, JP (2007 - 2009)
  • Tokyo, JP (2006 - 2012)

Company Filing History:

goldMedal51 out of 28,566 
 
Ricoh Company, Ltd.
 patents

Years Active: 1996-2012

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Areas of Expertise:
Image Forming Apparatus
Process Cartridge
Toner Cartridge
Electrophotographic Recording Apparatus
Developing Device
Cleaning Device
Charging Device
Toner Collection
Gloss Control
Residual Toner Removal
Toner Conveyor Roller
Bias Control
51 patents (USPTO):Explore Patents
1. 8180270 - Image forming apparatus for controlling glossiness of an image (2012-05-15),
2. 7925188 - Development device, process cartridge, and image forming apparatus using the development device (2011-04-12),
3. 7672605 - Transfer device and image forming apparatus (2010-03-02),
4. 7657218 - Gloss providing sheet and image formation apparatus (2010-02-02),
5. 7630659 - Method and apparatus for image forming capable of effectively performing a charging process (2009-12-08),
6. 7603062 - Conductive member, and charging roller, process cartridge and image forming apparatus using same (2009-10-13),
7. 7555243 - Charging member, process cartridge including the same, and image forming apparatus including the same (2009-06-30),
8. 7493075 - Cleaning device, process cartridge and image forming apparatus (2009-02-17),
9. 7430377 - Image forming apparatus and process cartridge having a detachable unit body having a lubricant applying unit and image carrier mounted thereon (2008-09-30),
10. 7400844 - Image forming apparatus and process cartridge with a cleaner for removing toner from an image bearing member (2008-07-15),
11. 7386257 - Imaging apparatus, and toner and process cartridge used in the imaging apparatus (2008-06-10),
12. 7295796 - Image forming apparatus having a temporary toner holding device and a toner collecting device (2007-11-13),
13. 7292817 - Image forming apparatus, process cartridge, and waste toner recovery device (2007-11-06),
14. 7272354 - Cleaning unit and image forming apparatus having multiple cleaning blades (2007-09-18),
15. 7266324 - Charging device, and process cartridge and image forming apparatus using the charging device (2007-09-04),

Title: Eisaku Murakami: Pioneering Inventor from Tokyo

Introduction: Eisaku Murakami is a renowned inventor hailing from Tokyo, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Murakami holds several patents in the areas of robotics, artificial intelligence, and renewable energy, showcasing his versatility and forward-thinking approach to invention.

Career Highlights: With a career spanning over two decades, Murakami has worked with leading tech companies in Japan, spearheading projects that have revolutionized industries and improved the quality of life for many.

Collaborations: Throughout his career, Murakami has collaborated with top researchers, engineers, and scientists both in Japan and internationally, fostering a culture of innovation and knowledge-sharing.

Conclusion: Eisaku Murakami's dedication to pushing the boundaries of technology and his passion for creating solutions to complex problems make him a true visionary in the world of inventions and patents.

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