This inventor holds 4 USPTO granted patents. Top assignees: Mitsubishi Kasei Corporation, Nikken Chemicals Co., Ltd., Mitsubishi Chemical Corporation. Active years: 1990-2000.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Zama, JP (1990 - 1993)
- Sendai, JP (2000)
Company Filing History:

Years Active: 1990-2000
Title: Toshihiro Maeda: Innovator in Erythritol Production
Introduction
Toshihiro Maeda is a notable inventor based in Zama, Japan. He has made significant contributions to the field of chemical engineering, particularly in the production of high-purity erythritol crystals. With a total of 4 patents to his name, Maeda's work has advanced the methods used in the food and fermentation industries.
Latest Patents
One of Maeda's latest patents is a process for producing high-purity erythritol crystals. This innovative method involves a crystallization step where an erythritol-containing aqueous solution is subjected to specific conditions to enhance purity and improve crystal shape. The process includes adjusting the erythritol concentration to 30 to 60% by weight, cooling the solution at a controlled rate, and adding a seed crystal during cooling. This method results in erythritol crystals that are of higher purity compared to those produced by conventional processes.
Another significant patent by Maeda is a process for separating organic acids from an organic acid-containing solution obtained through fermentation. This process utilizes a cation exchange resin to adsorb the organic acids, followed by desorption using an eluent. The method ensures that the pH of the organic acid-containing solution is maintained at a level conducive to effective separation, thereby enhancing the efficiency of the process.
Career Highlights
Throughout his career, Toshihiro Maeda has worked with prominent companies such as Nikken Chemicals Co., Ltd. and Mitsubishi Kasei Corporation. His experience in these organizations has allowed him to refine his skills and contribute to various innovative projects in the chemical industry.
Collaborations
Maeda has collaborated with notable colleagues, including Isao Nakazawa and Hiroyuki Horikita. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies in their respective fields.
Conclusion
Toshihiro Maeda's contributions to the field of chemical engineering, particularly in erythritol production and organic acid separation, highlight his innovative spirit and dedication to advancing industry practices. His patents reflect a commitment to improving purity and efficiency in chemical processes, making him a significant figure in his field.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile