Company Filing History:
14 out of 15,844 
8 out of 21,351 
Years Active: 2002-2015
Title: **Hiroshi Kigawa: Innovator in Elevator Technology**
Introduction
Hiroshi Kigawa is a distinguished inventor based in Tokyo, Japan, known for his significant contributions to elevator technology. With a remarkable portfolio of 22 patents, Kigawa has developed innovative solutions that enhance the functionality and safety of elevator systems.
Latest Patents
Among his latest inventions are two notable patents:
1. **Door engagement device for elevator**: This invention presents a device designed to engage elevator doors effectively. It features a biasing-force applying mechanism that prevents the lever's turning while adapting the direction of applied force. Such design innovations allow for the engagement mechanism to be driven in a compact and cost-efficient manner.
2. **Elevator device and method of inspecting same**: This patent involves an elevator system where an operation control section commands the movement of the elevator car. A safety monitoring section is integrated to detect any abnormal conditions and halt the car's operation if necessary. Furthermore, a safety-monitoring-function inspection section ensures that the safety system performs efficiently, identifying potential issues regardless of the actual status of the monitored targets during operation.
Career Highlights
Hiroshi Kigawa has held key positions in prominent companies such as Mitsubishi Electric Corporation and Mitsubishi Denki Kabushiki Kaisha. His work in these organizations has reinforced his role as a leading innovator in the field of elevator technology. Kigawa's inventions have not only advanced technological capabilities but also reinforced safety standards in the industry.
Collaborations
Throughout his career, Kigawa has collaborated with esteemed professionals, including Rikio Kondo and Takaharu Ueda. These partnerships have contributed to the development and refinement of his inventions, showcasing the importance of teamwork in driving innovation.
Conclusion
Hiroshi Kigawa's impact on elevator technology is profound, with his 22 patents serving as a testament to his inventive spirit and technical expertise. As he continues to innovate and push the boundaries of elevator systems, his contributions will undoubtedly shape the future of vertical transportation.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.