Location History:
- Tokyo, JA (1976)
- Ihara, JP (1985)
- Fuji, JP (1981 - 1986)
- Shizuoka, JP (1985 - 1987)
Company Filing History:
7 out of 1,297 
4 out of 306 Years Active: 1976-1987
Title: Koichi Yoshida: Innovator in Biologically Active Substances and Trioxane Production
Introduction
Koichi Yoshida, an inventive mind based in Fuji, Japan, has made significant contributions to the field of biotechnology. With a notable portfolio of 11 patents, he has dedicated his career to the development of innovative methods for producing biologically active substances and synthesizing trioxane, showcasing impressive technical expertise.
Latest Patents
Among his latest inventions, Yoshida has developed a groundbreaking method for the production of biologically active substances. This method employs a hybrid cell line derived from fusing a human tumor cell line that does not grow in mediums containing aminopterin or azaserine with a human non-tumor macrophage. The resulting biologically active substances produced, such as tumoricidal substances or interleukin-1, hold potential for significant medical applications.
Additionally, he has created a method for synthesizing trioxane, which involves heating and reacting an aqueous formaldehyde solution in the presence of a heteropolyacid. The use of heteropolyacids containing elements like tungsten, molybdenum, vanadium, or niobium enhances the synthesis process and improves efficiency.
Career Highlights
Yoshida has held prominent positions at notable companies such as Asahi Kasei Corporation and Nippon Light Metal Company, Ltd. His work in these organizations has enabled him to refine his innovative methods and contribute to important advancements in biotech and chemical processes.
Collaborations
Throughout his career, Koichi Yoshida has collaborated with skilled professionals, including Yoshio Hirayama and Yasuo Oka. These partnerships have fostered a collaborative environment, leading to the successful development of his innovative patents.
Conclusion
Koichi Yoshida stands out as a key figure in the realms of biotechnology and chemical synthesis. With 11 patents to his name and a legacy of innovation, his work continues to pave the way for advancements that hold considerable potential in therapeutic applications and industrial processes. His dedication to research and development exemplifies the spirit of innovation.