Yoshiyuki Koike

Title: Yoshiyuki Koike: Inventor in Recording and Ink-Jet Technology.

Introduction

Yoshiyuki Koike is an inventor associated with Suwa, Japan, and Seiko Epson Corporation. His work includes recording and ink-jet technologies, and he is credited with 5 patents.

Latest Patents

Koike’s listed patents include “Recording Head, Recording Apparatus, and Recording System.” The invention describes a recording head with a portion that carries a recording agent and an active element that deposits the agent according to image information, enabling an image to be recorded on a medium.

Another listed patent is “Ink-Jet Recording Head That Minutely Vibrates Ink Meniscus.” It describes a control device that drives pressure-generating members in an ink-jet head. During printing, the head ejects ink droplets according to print data; during nonprinting periods, it gently vibrates the ink meniscus without ejecting droplets. The system can also vibrate the meniscus shortly before or after droplet ejection.

Career Highlights

Koike’s listed inventions focus on recording systems and ink-jet printhead operation. The described technologies address how recording agents are deposited and how ink is controlled at the nozzle, including measures to maintain the meniscus between printing operations.

Collaborations

Koike is associated with Seiko Epson Corporation. His listed coworkers include Etsuko Yoshiike and Yasuhiro Ouki.

Conclusion

Yoshiyuki Koike’s patent work reflects contributions to recording-head design and ink-jet control, with inventions aimed at precise image formation and reliable ink handling.