Location History:
- Ibaraki-ken, JP (1997)
- Mito, JP (1998 - 2023)
Company Filing History:
4 out of 5 
2 out of 321 
1 out of 4,924 
Years Active: 1997-2025
Title: Innovations of Katsuyoshi Tatenuma
Introduction
Katsuyoshi Tatenuma is a notable inventor based in Mito, Japan. He has made significant contributions to the field of technology, particularly in the extraction and recovery of technetium-99m. With a total of six patents to his name, Tatenuma's work has had a considerable impact on medical and scientific applications.
Latest Patents
Tatenuma's latest patents include a method for extracting technetium-99m from low specific activity molybdenum-99. This innovative method allows for the quick extraction of technetium-99m without being influenced by the volume of the molybdenum solution. Another patent involves a method for producing a physiological saline solution containing technetium-99m using the aforementioned extraction method. Additionally, he has developed a system for recovering technetium-99m from natural molybdenum. This system utilizes activated charcoal to selectively adsorb trace amounts of technetium-99m, even when molybdenum-99 is present in significantly higher quantities. Furthermore, Tatenuma has created a method for imparting antibacterial and deodorant functions to materials by reacting iodic acid, ensuring that these functions are effective without the elution of iodate.
Career Highlights
Throughout his career, Tatenuma has worked with prominent organizations such as Kaken Co., Ltd. and the Japan Atomic Energy Research Institute. His experience in these institutions has allowed him to refine his skills and contribute to groundbreaking innovations in his field.
Collaborations
Some of Tatenuma's notable coworkers include Yoshio Hasegawa and Taketoshi Takeuchi. Their collaborative efforts have further advanced the research and development of technologies related to Tatenuma's patents.
Conclusion
Katsuyoshi Tatenuma's contributions to the field of technology, particularly in the extraction and recovery of technetium-99m, showcase his innovative spirit and dedication to advancing scientific knowledge. His patents reflect a commitment to improving medical applications and enhancing material properties.