This inventor holds 1 USPTO granted patent and 1 published patent application. Top assignee: Seiko Epson Corporation. Active years: 2026.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 2026
Title: Koji Kawatani: Liquid Ejection Device Innovation
Introduction
Koji Kawatani is an inventor associated with Shiojiri, Japan, and Seiko Epson Corporation. His patent work addresses liquid ejection technology and maintenance procedures for devices that use multiple heads and liquids.
Latest Patents
Kawatani is associated with 1 patent, titled “Liquid Ejection Device and Control Method of Liquid Ejection Device.” The patent describes a device with a first head that ejects liquid, a second head that ejects liquid, and a third nozzle that ejects treatment liquid. Its control method directs flushing from the first and second nozzles into a first receiving portion, while treatment liquid from the third nozzle is directed into a separate second receiving portion. This arrangement supports maintenance while keeping the different liquids in their designated receiving areas.
Career Highlights
Kawatani’s listed invention focuses on coordinating nozzle flushing and liquid collection within a multi-head ejection device. The patent identifies Seiko Epson Corporation as his company affiliation.
Collaborations
Masanobu Yamaguchi and Tsuyoshi Hayashi are listed as Kawatani’s coworkers. The available information does not specify their roles in the patent or whether they collaborated directly on this invention.
Conclusion
Koji Kawatani’s patent highlights a practical approach to maintaining liquid ejection devices through controlled flushing and separate collection of liquid and treatment liquid.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile