Location History:
- Hyogo, JP (1990)
- Amagasaki, JP (1992 - 1993)
Company Filing History:
3 out of 15 
1 out of 6 Years Active: 1990-1993
Title: **Mutsuhiko Ohnishi - A Pioneer in Prestressed Concrete Technology**
Introduction
Mutsuhiko Ohnishi, an innovative inventor based in Amagasaki, Japan, has made significant contributions to the field of civil engineering, specifically in the development of advanced prestressed concrete systems. With three patents to his name, Ohnishi's work focuses on enhancing the strength and efficiency of concrete structures, addressing vital industry needs.
Latest Patents
Ohnishi's latest patents include a groundbreaking invention related to tendons for prestressed concrete structures. This innovative tendon comprises a core member such as a steel wire, steel strand, or steel bar, coated with an unset bonding material. This coating is designed to set at ordinary temperatures with a specific setting time, which can be tailored by selectively modifying the contents of the bonding material. The method involves arranging the tendons, placing concrete to encase them, and tensioning the tendons before the bonding material sets, ensuring a robust connection between the tendons and the concrete structure.
Career Highlights
Throughout his professional journey, Mutsuhiko Ohnishi has worked with renowned companies, including Shinko Kosen Kogyo Kabushiki Kaisha and Mitsui Sekiyu Kagaku Kogyo Kabushiki Kaisha. His experience in these organizations has allowed him to refine his expertise in concrete technology and patent development, securing his reputation as a leading inventor in his field.
Collaborations
Collaboration has been a vital element of Ohnishi's career. He has had the opportunity to work alongside notable colleagues such as Makoto Kurauchi and Kiyoshi Hayasaki. Their joint efforts have fostered innovation and creative problem-solving in engineering applications, facilitating the advancement of concrete construction techniques.
Conclusion
Mutsuhiko Ohnishi stands out as a pioneering inventor in prestressed concrete systems. His innovative patents and collaboration with esteemed colleagues reflect a commitment to excellence and progress in civil engineering. As the construction industry continues to evolve, Ohnishi's contributions will undoubtedly leave a lasting impact on the field.