This inventor holds 27 USPTO granted patents and 1 published patent application and 2 EPO patents, primarily in Inkjet Technology. Top assignees: Matsushita Electric Industrial Co., Ltd., Panasonic Corporation. Active years: 2002-2013.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Moriguchi, JP (2002 - 2011)
- Osaka, JP (2006 - 2013)
Company Filing History:
14 out of 27,375 
13 out of 16,454 
Years Active: 2002-2013
Areas of Expertise:
Title: Keisei Yamamuro: A Pioneer in Ink Jet Technology
Introduction
Keisei Yamamuro, based in Osaka, Japan, is a prominent inventor known for his remarkable contributions to the field of ink jet technology. With a prolific record of 27 patents, Yamamuro has significantly advanced the functionality and efficiency of ink jet devices.
Latest Patents
Yamamuro's latest inventions include a sophisticated ink jet head and an associated ink jet device. The ink jet head features an innovative ink supply path that ensures a steady flow of ink from an inlet port to a discharge port. Central to its design is an ink chamber that communicates with both the supply and discharge paths, equipped with a nozzle for ink distribution. Notably, it employs a piezoelectric actuator, which applies pressure to the ink via the displacement of a vibrating plate. An island member extends between the ink supply and discharge paths, effectively optimizing the ink flow dynamics.
Additionally, his ink-jet apparatus further refines the ink supply system by incorporating an ink evacuation channel, allowing for efficient ink circulation. The system includes dual actuators: one for vibrating the chamber wall and another for altering the outlet channel’s cross-sectional area, enhancing the control over ink flow.
Career Highlights
Yamamuro's career boasts affiliations with leading corporations, particularly Matsushita Electric Industrial Co., Ltd. and Panasonic Corporation. His work within these esteemed companies has positioned him as a key figure in the development of advanced ink jet technologies.
Collaborations
Throughout his career, Yamamuro has collaborated with notable peers, including Hidehiro Yoshida and Taketo Yoshii. Their combined efforts have fueled innovation within the ink jet industry, leading to the creation of cutting-edge technologies that push the boundaries of traditional printing methods.
Conclusion
Keisei Yamamuro's extensive patent portfolio and collaborations reflect his vital role in advancing ink jet technology. His inventive spirit and dedication to innovation continue to impact the industry, making him a remarkable inventor in modern printing technology.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile