This inventor holds 26 USPTO granted patents and 10 published patent applications, plus 1 CIPO patent and 11 EPO patents, primarily in Cellulose Chemistry. Top assignees: Shin-Etsu Chemical Co., Ltd., Matsugaki Chemical Industries Co., Ltd., Aichi-Prefectural Government. Active years: 1991-2025.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Niigata, JP (2013)
- Niigata-ken, JP (2004 - 2014)
- Joestsu, JP (2015)
- Joetsu, JP (1991 - 2017)
Company Filing History:
26 out of 5,989 
3 out of 3 
1 out of 3 
Years Active: 1991-2025
Areas of Expertise:
Title: Innovations by Kazuhisa Hayakawa: Pioneering Advances in Cellulose Technologies
Introduction
Kazuhisa Hayakawa, based in Joetsu, Japan, has made significant contributions to the field of cellulose technology. With an impressive portfolio of 25 patents, Hayakawa is recognized for his innovative approaches and solutions that enhance both product efficacy and manufacturing processes. His work has had a lasting impact on the industry, particularly in the realm of cellulose ether applications.
Latest Patents
Among Hayakawa's most recent patents is the preparation of cellulose ether powder. This process allows for a safe and efficient method of creating cellulose ether powder by combining a surfactant solution with water-soluble cellulose ether particles and a tannin solution. The result is a powder that is free from bitterness and easily dissolves in cold water without forming clumps.
Another notable patent is the development of a purging composition and method specifically for extrusion or injection molding machines. This innovative composition, containing 10-80% by weight of cellulose ether and various solvents, provides an effective means of purging machinery while minimizing abrasion to internal components. Remarkably, any residual purging composition left within the machine can be removed easily, highlighting the practicality of his invention.
Career Highlights
Throughout his career, Kazuhisa Hayakawa has collaborated with renowned companies, including Shin-Etsu Chemical Co., Ltd. and Matsugaki Chemical Industries Co., Ltd. His extensive experience in these organizations has facilitated the development of groundbreaking cellulose-based products, reinforcing his status as a leader in innovation within the chemical industry.
Collaborations
Working alongside notable colleagues such as Shingo Niinobe and Soji Tanioka, Hayakawa has formed effective partnerships that have propelled forward-thinking ideas into practical applications. These collaborations have not only enhanced his inventions but have also fostered a culture of innovation within the teams he has been part of.
Conclusion
Kazuhisa Hayakawa's pioneering work in cellulose technology underscores the importance of innovation and invention in today's manufacturing landscape. With a solid track record of patents, he continues to push the boundaries of what is possible in cellulose applications, ensuring that his contributions remain relevant in the ever-evolving industrial sector.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile