This inventor holds 1 USPTO granted patent. Top assignee: Showa Oil Company, Ltd.. Active years: 1984.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 1984
Title: Innovations of Yoshiyuki Ichikawa: Pioneering Citric Acid Production
Introduction: Yoshiyuki Ichikawa, an esteemed inventor located in Yokohama, Japan, is recognized for his significant contributions to the field of microbiology and fermentation technology. With a patent to his name, he has focused on developing efficient processes for producing citric acid from hydrocarbons, showcasing his innovative approach to chemical engineering.
Latest Patents: Ichikawa's patent, titled "Process for producing citric acid from hydrocarbons by fermentation," outlines a groundbreaking microbiological method. This inventive process specifically involves the assimilation of α-olefins and normal paraffins for citric acid production. By utilizing specialized microorganisms such as Candida tropicalis, Candida lipolytica, and their variants, Ichikawa has improved the yield of citric acid to more than 150 g/l through an optimized fermentation process.
Career Highlights: Ichikawa is associated with the Showa Oil Company, Ltd., where he has had the opportunity to apply his research in a corporate setting, driving forward innovations in chemical production. His work emphasizes the importance of high concentrations of dissolved oxygen, achieved by maintaining specific ratios of oxygen and air in the culture medium, enhancing overall productivity in bioprocesses.
Collaborations: Throughout his career, Yoshiyuki Ichikawa has collaborated with notable coworkers, including Takao Matsumoto and Takeo Nagata. These partnerships have allowed for shared expertise and resources, fostering an environment conducive to innovative thinking and development in fermentation technology.
Conclusion: Yoshiyuki Ichikawa's inventive process for citric acid production marks a significant stride in industrial microbiology. His work at Showa Oil Company, Ltd. showcases the potential of using hydrocarbons as a carbon source for sustainable production methods, paving the way for future innovations in bioprocessing and chemical engineering.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile