Nagano, Japan

Kiyofumi Koike

This inventor holds 6 USPTO granted patents. Top assignee: Seiko Epson Corporation. Active years: 1991-2000.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kiyofumi Koike. Retrieved from https://idiyas.com/inventor/kiyofumi-koike

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 1.6

ph-index = 3

Forward Citations = 18(Granted Patents)


Location History:

  • Suwa, JP (1991 - 1995)
  • Nagano, JP (1991 - 2000)

Company Filing History:


Years Active: 1991-2000

Loading Chart...
6 patents (USPTO):Explore Patents

Title: Kiyofumi Koike: Innovator in Printing Technology

Introduction

Kiyofumi Koike is a prominent inventor based in Nagano, Japan. He has made significant contributions to the field of printing technology, holding a total of 6 patents. His work focuses on enhancing the efficiency and reliability of printing systems.

Latest Patents

One of Koike's latest patents is a serial recording apparatus and method. This innovative apparatus is designed to continuously print even when a dot-forming element of the recording head is defective. It achieves this by substituting a defective element with a functional one, ensuring uninterrupted printing. The apparatus also features an automatic detection system for defective elements, which saves print data for later use.

Another notable patent involves a component of a printing head for wire-impact type dot printers. This invention reduces the number of parts required while improving magnetic efficiency. The magnetic circuit component is created through an injection-molding process that incorporates metallic powder, resulting in a more efficient manufacturing method.

Career Highlights

Kiyofumi Koike is currently employed at Seiko Epson Corporation, a leading company in the printing and imaging industry. His work at Epson has allowed him to develop cutting-edge technologies that enhance the performance of printing devices.

Collaborations

Throughout his career, Koike has collaborated with talented individuals such as Minoru Tanaka and Takashi Asada. These partnerships have contributed to the advancement of innovative printing solutions.

Conclusion

Kiyofumi Koike's contributions to printing technology through his patents and work at Seiko Epson Corporation highlight his role as a key innovator in the field. His inventions continue to shape the future of printing systems, ensuring greater efficiency and reliability.

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]
Loading…