This inventor holds 2 USPTO granted patents. Top assignee: Mitsubishi Gas Chemical Company, Inc.. Active years: 1980-1984.
Location History:
- Nagareyama, JP (1980)
- Chiba, JP (1984)
Company Filing History:
Years Active: 1980-1984
Title: Sadao Ohtsuka: Innovator in Oxygen Absorbent Technologies
Introduction
Sadao Ohtsuka is a notable inventor based in Nagareyama, Japan. He has made significant contributions to the field of packaging technology, particularly in the development of oxygen absorbent materials. With a total of 2 patents to his name, Ohtsuka's work has had a considerable impact on food preservation.
Latest Patents
Ohtsuka's latest patents include innovative solutions for oxygen absorbent packaging and compositions. The first patent describes an oxygen absorbent package that consists of a rectangular nonwoven fabric sheet, a rectangular perforated film or nonwoven fabric sheet with a lower softening point, and a microporous film or nonwoven fabric sheet with a higher softening point. These three layers are heat sealed on all four sides, creating a package primarily used for storing foodstuff, especially liquid or semiliquid items. The second patent focuses on an oxygen absorbent composition that includes a dithonite as the main component and a fiber material in a specific weight ratio. This composition is designed to enhance the effectiveness of oxygen absorption in various applications.
Career Highlights
Sadao Ohtsuka is currently associated with Mitsubishi Gas Chemical Company, Inc., where he continues to innovate in the field of packaging technology. His work has been instrumental in advancing methods for food preservation, ensuring that products remain fresh for longer periods.
Collaborations
Ohtsuka has collaborated with notable colleagues such as Toshio Komatsu and Yukio Kondoh. These partnerships have contributed to the development of his patented technologies and have fostered a collaborative environment for innovation.
Conclusion
Sadao Ohtsuka's contributions to oxygen absorbent technologies have made a significant impact on food packaging solutions. His innovative patents reflect a commitment to enhancing food preservation methods, showcasing the importance of research and development in this field.