Location History:
- Misato, JP (1997 - 2003)
- Saitama, JP (2003 - 2006)
- Nara, JP (2006)
- Tenri, JP (2008)
- Osaka, JP (2012)
- Sakai, JP (2021)
Company Filing History:
12 out of 25,561 
1 out of 986 
Years Active: 1997-2021
Title: Innovations of Masao Urayama
Introduction
Masao Urayama is a prominent inventor based in Saitama, Japan. He has made significant contributions to the field of thermal energy storage, holding a total of 12 patents. His work focuses on developing materials and systems that enhance thermal management in various applications.
Latest Patents
Urayama's latest patents include a heat-storage material and a refrigerator and cooling container that utilize this innovative material. The heat-storage material is designed to provide a substantial amount of thermal energy as a latent-heat storage medium, incorporating a semiclathrate hydrate. This invention aims to improve the hysteresis between the solidifying temperature and the melting starting temperature. The heat-storage material consists of water, a quaternary ammonium salt as the main agent, a pH adjuster to maintain alkaline properties, and a nucleating agent that generates a cation for positive hydration. This unique combination allows for a reduced temperature difference between solidifying and melting temperatures.
Another notable patent involves a thermal energy storage pack and a thermal exchange unit. This invention is designed to quickly bring an object to a suitable temperature, particularly for food and beverages. The thermal energy storage pack includes a first deep-drawn container filled with a thermal energy storage material that exhibits phase change at a predetermined temperature, and a second deep-drawn container that maintains a liquid phase state at the phase change temperature of the first material. This innovative design allows for efficient temperature management.
Career Highlights
Throughout his career, Masao Urayama has worked with notable organizations, including Sharp Corporation and Tohoku University. His experience in these institutions has contributed to his expertise in thermal energy storage technologies.
Collaborations
Urayama has collaborated with esteemed colleagues such as Hiroshi Ohki and Seiki Yano. These partnerships have fostered innovation and advancement in his research and development efforts.
Conclusion
Masao Urayama's contributions to thermal energy storage and management demonstrate his commitment to innovation in this field. His patents reflect a deep understanding of materials and their applications, paving the way for advancements in cooling technologies.