This inventor holds 6 USPTO granted patents and 1 published patent application. Top assignees: Oji Paper Co., Ltd., Kanzaki Paper Mfg. Co., Ltd.. Active years: 1990-2008.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Yonago, JP (2002 - 2005)
- Amagasaki, JP (1990 - 2008)
- Hyogo, JP (2008)
Company Filing History:
Years Active: 1990-2008
Title: Tetsuya Hirabayashi: Innovator in Calcium Trisulfoaluminate Production
Introduction
Tetsuya Hirabayashi is a notable inventor based in Yonago, Japan. He has made significant contributions to the field of materials science, particularly in the production of calcium trisulfoaluminate. With a total of 6 patents to his name, Hirabayashi's work has had a considerable impact on the paper manufacturing industry.
Latest Patents
One of Hirabayashi's latest patents is titled "Process for producing calcium trisulfoaluminate and apparatus for use in said process." This invention provides a production process that can stably produce high-quality satin white calcium trisulfoaluminate, which has very small and homogeneous particulate shapes. These characteristics make it suitable for incorporation into coated paper for printing. The process involves reacting a calcium hydroxide suspension with an aqueous aluminum sulfate solution in multiple stages. This method ensures that the aluminum sulfate solution is continuously added to the calcium hydroxide suspension, enhancing the efficiency of the production process. The resulting coated paper is white and glossy, exhibiting excellent printability and high printing gloss, which does not degrade print efficiency.
Career Highlights
Throughout his career, Tetsuya Hirabayashi has worked with prominent companies in the paper industry, including Oji Paper Co., Ltd. and Kanzaki Paper Mfg. Co., Ltd. His expertise in materials science has allowed him to develop innovative solutions that address the needs of the printing and paper manufacturing sectors.
Collaborations
Hirabayashi has collaborated with notable colleagues such as Terunobu Fukui and Seiji Fujiwara. These partnerships have contributed to the advancement of his research and the successful implementation of his inventions.
Conclusion
Tetsuya Hirabayashi's contributions to the field of calcium trisulfoaluminate production highlight his innovative spirit and dedication to improving materials for the paper industry. His patents and collaborations reflect a commitment to excellence and advancement in technology.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile