Company Filing History:
2 out of 502 
2 out of 5 
Years Active: 2011
Title: Inventor Masahiro Kumagai: Innovations in Rail Technology
Introduction
Masahiro Kumagai is a prominent inventor located in Tokyo, Japan. He holds two significant patents that showcase his contributions to rail technology. His inventive spirit is exemplified in his latest innovations, aimed at improving the efficiency and precision of installation processes in rail systems.
Latest Patents
Kumagai's latest inventions include:
1. **Jig for Driving Closing Cap for Bolt Installation Hole** - This innovative driving jig is designed to facilitate the straight insertion of a closing cap into a bolt installation hole formed in a track rail. The jig allows for rapid and repeated driving operations across multiple bolt installation holes. Its construction includes a driving piston and a guide holder that maintains the piston in a specific attitude relative to the track rail. The pressing portion contacts the closing cap while a hammering portion is struck by a tool, enhancing the overall installation process.
2. **Structure for Closing a Rail Mounting Hole** - This patent reveals a structure that ensures a closing cap is press-fitted into the rail mounting hole without tilting. It features a fitting portion with a larger outer diameter than the inner diameter of the mounting hole, thus preventing gaps that can affect rail integrity. The invention includes a leading end portion that is inserted beforehand to provisionally position the cap, ensuring proper alignment during installation.
Career Highlights
Masahiro Kumagai has collaborated with notable companies, including THK Co., Ltd. and THK GmbH. His inventive journey reflects a commitment to advancing rail technology and improving installation methodologies through innovative solutions.
Collaborations
Throughout his career, Kumagai has worked alongside talented individuals, including Katsuya Iida and Yoshiaki Saito. These collaborations have likely contributed to the rich development of his patents and innovations, fostering a shared vision of excellence in the field.
Conclusion
With two patents to his name, Masahiro Kumagai is forging a path of innovation in rail technology. His dedication to improving installation processes with practical solutions reflects his significant role as an inventor in the industry. As technology continues to evolve, Kumagai’s contributions will undoubtedly enhance operational efficiency and safety in rail systems.