Nagano, Japan

Koichiro Yokoyama

This inventor holds 22 USPTO granted patents and 2 published patent applications, primarily in Ink-Jet Printing Technology. Top assignee: Seiko Epson Corporation. Active years: 1993-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Koichiro Yokoyama. Retrieved from https://idiyas.com/inventor/koichiro-yokoyama

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

USPTO Granted Patents = 22 

% Patents Active = 72.7

Average Co-Inventor Count = 3.7

ph-index = 6

Forward Citations = 129(Granted Patents)


Location History:

  • Suwa, JP (1993)
  • Nagano, JP (1998 - 2012)

Company Filing History:


Years Active: 1993-2026

Loading Chart...
Areas of Expertise:
Ink-Jet Printing
Waste Paper Recycling
Paper Feeding Apparatus
Motor Driver
Power Transmission
Sheet Feeder
Printer
Guide Plate
Paper Size Discrimination
Recording Method
Rocking Lever Locking Device
22 patents (USPTO):Explore Patents

Title: The Innovations of Koichiro Yokoyama: A Visionary in Ink-Jet Technology

Introduction

Koichiro Yokoyama, based in Nagano, Japan, is a distinguished inventor with an impressive portfolio of 21 patents. He is renowned for his contributions to ink-jet recording technology, which have significantly advanced the capabilities and efficiency of printing solutions.

Latest Patents

One of his latest patents involves an innovative ink-jet recording apparatus and the associated recording method. This invention features a recording head, a platen, and a first hole designed to manage ink discarded during the printing process. The recording head contains a dot formation element array, while the platen supports the recording medium. The first hole is strategically placed to guide any excess ink away from the printed medium, especially when printing without margins. Additionally, a second hole can also be implemented to further manage discarded ink effectively, showcasing Yokoyama's dedication to enhancing print quality and efficiency.

Career Highlights

Yokoyama has made significant contributions to Seiko Epson Corporation, where he continues to work at the forefront of printing technology. His extensive work and research in this field have positioned him as a key figure in the development of innovative printing solutions that meet increasingly complex consumer demands.

Collaborations

Throughout his career, Koichiro Yokoyama has collaborated with talented individuals such as Takuya Yasue and Takashi Akahane. These partnerships have fostered an environment of creativity and innovation, allowing for the advancement of cutting-edge technologies in the realm of ink-jet printing.

Conclusion

Koichiro Yokoyama's contributions to the field of ink-jet technology illustrate his remarkable innovation and forward-thinking approach. With 21 patents to his name, including groundbreaking methods for ink management, he continues to play a pivotal role at Seiko Epson Corporation, driving progress and setting new industry standards.

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…