Kanagawa, Japan

Takeshi Shintani

This inventor holds 76 USPTO granted patents and 8 EPO patents, primarily in Image Forming Apparatus (CPC class G03G). Top assignee: Ricoh Company, Ltd.. Active years: 1998-2018.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takeshi Shintani. Retrieved from https://idiyas.com/inventor/takeshi-shintani

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile


% Patents Active = 52.6


Average Co-Inventor Count = 6.4

ph-index = 13

Forward Citations = 513(Granted Patents)

Forward Citations (Not Self Cited) = 366(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Yokohama, JP (1998)
  • Kanagawa-ken, JP (2006)
  • Tokyo, JP (2006 - 2007)
  • Kawasaki, JP (2001 - 2016)
  • Kanagawa, JP (2003 - 2018)

Company Filing History:


Years Active: 1998-2018

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Areas of Expertise:
Image Forming Apparatus
Cleaning Device
Lubricant Supply System
Toner Conveyance
Process Cartridge
Lubricant Applicator
Charging Device
Waste Toner Container
Surface Treatment
Rotation Speed Control
Accumulation Prevention
76 patents (USPTO):Explore Patents

Title: Takeshi Shintani: Innovator in Cleaning Devices and Toner Conveyance Technologies

Introduction

Takeshi Shintani is a prominent inventor based in Kanagawa, Japan, who has made significant contributions to the field of cleaning devices and image forming apparatuses. With an impressive portfolio of 76 patents, Shintani has showcased his innovative spirit through numerous groundbreaking inventions that enhance the efficiency and functionality of printing technologies.

Latest Patents

Among his latest patents are advanced cleaning devices and toner conveyance technologies. One notable invention is a cleaning device that features a cleaning blade in contact with a rotator, alongside a toner collecting section that incorporates a groove for efficient toner management. This design involves a conveyor that rotates to transport toner within the groove, while an agitator vibrates to aid in toner collection.

Additionally, Shintani has developed a toner conveyance device that utilizes a unique downward passage and a reciprocating member to optimize toner transport. This device efficiently moves toner through a conveyance passage with the help of a conveyor, ensuring smooth operation and effective toner transfer.

Career Highlights

Takeshi Shintani is associated with Ricoh Company, Ltd., a leading firm in imaging and printing solutions. His tenure at Ricoh has been marked by a commitment to innovation, leading to several patented inventions that cater to the evolving needs of the printing industry. His work has contributed significantly to the advancements in image forming technologies.

Collaborations

Throughout his career, Shintani has collaborated with notable colleagues such as Toshio Koike and Masanori Kawasumi. These partnerships have enabled cross-disciplinary approaches to problem-solving and innovation, culminating in patents that push the boundaries of existing technologies.

Conclusion

Takeshi Shintani's body of work exemplifies the essence of innovation in the field of cleaning devices and toner transport technologies. His 76 patents represent not only his personal achievements but also his commitment to enhancing the performance and reliability of imaging systems. As the printing industry continues to evolve, Shintani's inventions will undoubtedly play a crucial role in shaping future advancements.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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