This inventor holds 5 USPTO granted patents and 1 published patent application. Top assignees: Ulvac, Inc., Iwate University. Active years: 2020-2024.
Company Filing History:
5 out of 446 
1 out of 46 
Years Active: 2020-2024
Title: Innovations by Yoichi Ohinata
Introduction
Yoichi Ohinata is a notable inventor based in Chigasaki, Japan. He has made significant contributions to the field of freeze-drying technology, holding a total of 5 patents. His work focuses on improving the efficiency and effectiveness of freeze-drying processes.
Latest Patents
One of his latest patents is a freeze-drying device and method that includes a freeze-drying chamber designed to dry objects using water as a solvent. This apparatus features a collection chamber with a cold trap that condenses and collects water vapor generated during the drying process. The device is equipped with measuring devices that assess various state quantities of the object being dried, as well as the conditions within the freeze-drying and collection chambers. A determining unit is included to calculate the water vapor mass flow rate based on the measurements taken.
Another innovative patent by Ohinata involves a freeze-drying device that controls the depressurization of containers filled with a liquid raw material. This device includes a gas capture pump to exhaust the freeze-drying chamber and a positive-displacement pump to discharge gas from the space housing the gas capture pump. The controller of this device executes an exhaust mitigation process, ensuring that the depressurization occurs at a controlled rate, enhancing the overall efficiency of the freeze-drying process.
Career Highlights
Throughout his career, Yoichi Ohinata has worked with prominent organizations such as Ulvac, Inc. and Iwate University. His experience in these institutions has allowed him to refine his expertise in freeze-drying technology and contribute to advancements in the field.
Collaborations
Ohinata has collaborated with notable colleagues, including Tsuyoshi Yoshimoto and Tomomitsu Ozeki. These partnerships have further enriched his work and led to innovative solutions in freeze-drying processes.
Conclusion
Yoichi Ohinata's contributions to freeze-drying technology through his patents and collaborations highlight his role as a significant inventor in this field. His innovative approaches continue to influence advancements in freeze-drying methods and devices.