This inventor holds 12 USPTO granted patents and 2 published patent applications, plus 2 CIPO patents and 1 EPO patent. Top assignees: Sharp Kabushiki Kaisha Corporation, Sekisui Chemical Co., Ltd., Sekisui Chemical Corporation. Active years: 2008-2026.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Sakai, JP (2008 - 2019)
- Osaka, JP (2011 - 2024)
Company Filing History:
6 out of 25,974 
4 out of 882 
2 out of 37 
Years Active: 2008-2026
Title: The Innovative Journey of Yasuyuki Shirasaka
Introduction
Yasuyuki Shirasaka is a prominent inventor based in Osaka, Japan. With a remarkable portfolio of 10 patents, he has made significant contributions to the field of electret materials and piezoelectric sensors, demonstrating his commitment to innovation and technological advancement.
Latest Patents
Among his latest inventions are two notable patents: an electret sheet and a piezoelectric sensor. The electret sheet is designed to provide excellent durability against repetitively applied pressing forces, showcasing remarkable compression recovery properties. This unique feature allows the sheet to suppress stuffiness when applied to the skin, ensuring comfort for users. The sheet boasts an impressive air permeability range of 10 to 1,000 seconds per 100 mL, allowing for effective breathability.
In addition, the electret sheet features exceptional piezoelectricity, even with minimal stress. It includes a charged porous sheet and exhibits a compressive elastic modulus of 80 to 300 MPa, with a 50% compression stress of 120 to 300 kPa at 25°C. These characteristics enable the electret sheet to respond effectively to light stress, such as pulse waves or breathing, marking a significant advancement in the realm of sensor technology.
Career Highlights
Yasuyuki Shirasaka has worked with esteemed companies including Sharp Corporation and Sekisui Chemical Co., Ltd. His experiences in these organizations have played a pivotal role in shaping his innovative mindset and technical expertise.
Collaborations
Throughout his career, Shirasaka has collaborated with notable colleagues such as Tetsuhiro Kato and Nobuto Kamiya. These partnerships have contributed to the development of his groundbreaking patents and reinforced his position as a leading figure in the field of innovation.
Conclusion
With his extensive work on advanced electret materials and piezoelectric sensors, Yasuyuki Shirasaka continues to inspire the world of technology. His dedication to improving human experiences through innovation is evident in his patented inventions, paving the way for future advancements in the industry.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile