Sadabumi Ohnuma

Title: The Innovations of Sadabumi Ohnuma

Introduction

Sadabumi Ohnuma is a notable inventor based in Hitachi, Japan. He has made significant contributions to the field of liquid chromatography, holding a total of six patents. His work focuses on enhancing the durability and efficiency of liquid analyzing apparatuses.

Latest Patents

One of Ohnuma's latest patents is a liquid analyzing apparatus designed to prevent damage when a flow passage is blocked. This innovative design allows liquid to be discharged externally through a liquid discharging tube, thereby preventing leaks inside the apparatus. Additionally, a spring member is incorporated to allow liquid to leak when the pressure increases, ensuring the apparatus remains intact. Another significant patent addresses the analysis of hemoglobins in blood samples. This invention suppresses pressure increases in the flow passage line and enhances the durability of the separation column by using phosphate-based buffer solutions as eluting solutions.

Career Highlights

Sadabumi Ohnuma is associated with Hitachi, Ltd., where he has contributed to various advancements in liquid chromatography technology. His work has been instrumental in improving the reliability and performance of analytical instruments used in laboratories.

Collaborations

Ohnuma has collaborated with notable colleagues such as Kenji Yasuda and Yoshinori Takata, further enhancing the innovative capabilities of his projects.

Conclusion

Sadabumi Ohnuma's contributions to liquid chromatography exemplify the importance of innovation in scientific research. His patents not only address critical issues in liquid analysis but also pave the way for future advancements in the field.