Hachioji, Japan

Seiko Naganuma

This inventor holds 5 USPTO granted patents. Top assignee: Konica Corporation. Active years: 1991-1994.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Seiko Naganuma. Retrieved from https://idiyas.com/inventor/seiko-naganuma

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


% Patents Active = 100.0

Average Co-Inventor Count = 4.5

ph-index = 5

Forward Citations = 73(Granted Patents)


Location History:

  • Kokubunji, JP (1992)
  • Hachioji, JP (1991 - 1994)

Company Filing History:


Years Active: 1991-1994

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5 patents (USPTO):Explore Patents

Title: Seiko Naganuma: Innovator in Color Image Forming Technology

Introduction

Seiko Naganuma is a prominent inventor based in Hachioji, Japan. She has made significant contributions to the field of color image forming technology. With a total of 5 patents to her name, Naganuma has established herself as a key figure in her industry.

Latest Patents

One of her latest patents is a color image forming apparatus with a multicolor detachable process unit. This innovative apparatus is designed for forming a color image. It includes an image retainer that carries the color image, a charger that charges the surface of the image retainer, and a latent image former that creates a latent image on the charged surface. Additionally, a multicolor developer and a black developer are utilized to develop the latent image. The apparatus also features a transfer sheet conveyer that transfers the developed latent image onto a transfer sheet, along with a cleaner that removes residual developer from the image retainer's surface. Notably, the image retainer, either the black developer or the multicolor developer, and the cleaner are designed as a detachable processing cartridge, enhancing the apparatus's functionality.

Career Highlights

Seiko Naganuma is currently employed at Konica Corporation, where she continues to innovate and develop new technologies. Her work has been instrumental in advancing the capabilities of color image forming devices.

Collaborations

Throughout her career, Naganuma has collaborated with notable colleagues, including Satoshi Haneda and Masakazu Fukuchi. These partnerships have contributed to her success and the development of her patented technologies.

Conclusion

Seiko Naganuma's contributions to color image forming technology highlight her innovative spirit and dedication to her field. Her patents reflect her expertise and commitment to advancing imaging solutions.

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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