This inventor holds 3 USPTO granted patents. Top assignees: Kabushiki Kaisha Toshiba, Toshiba Elevator Kabushiki Kaisha. Active years: 1994-2004.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Tokyo, JP (1994)
- Hachioji, JP (1999 - 2004)
Company Filing History:
2 out of 53,286 
1 out of 74 Years Active: 1994-2004
Title: The Innovations of Shoji Nakai
Introduction
Shoji Nakai is a notable inventor based in Hachioji, Japan. He has made significant contributions to the field of elevator control systems, holding a total of 3 patents. His work focuses on enhancing the efficiency and functionality of elevator systems, which are crucial in modern buildings.
Latest Patents
Nakai's latest patents include a "Group controlled elevator control system for controlling a plurality of elevators." This innovative control system allows for the formation of a controlled group of elevators by connecting platform call input/output units and operation control units for each floor via a transmission line system. The design ensures that all operation control units and a group control unit are interconnected, allowing for efficient management of elevator calls.
Another significant patent is the "Elevator group management control apparatus and elevator group." This apparatus is designed for the management of multiple transversely shiftable cars among various shafts. It utilizes route data to generate target floor data based on car call data and station call data. The system estimates the time required for each car to reach its target floor and assigns specific cars to floor calls based on this estimated arrival time.
Career Highlights
Throughout his career, Shoji Nakai has worked with prominent companies such as Kabushiki Kaisha Toshiba and Toshiba Elevator Corporation. His experience in these organizations has allowed him to develop and refine his innovative ideas in elevator technology.
Collaborations
Nakai has collaborated with notable coworkers, including Mitsuyo Yamaura and Junichi Kiji. Their combined expertise has contributed to the advancement of elevator control systems and has fostered a collaborative environment for innovation.
Conclusion
Shoji Nakai's contributions to elevator technology through his patents and collaborations highlight his role as a significant inventor in the field. His work continues to influence the efficiency of elevator systems in modern architecture.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile