Location History:
- Tokyo, JA (1976)
- Tokyo, JP (1986)
Company Filing History:
2 out of 27,375 
2 out of 50 Years Active: 1976-1986
Title: Keiji Shimizu: Innovator in Rail Technology
Introduction
Keiji Shimizu is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of rail technology, holding two patents that showcase his innovative spirit and technical expertise.
Latest Patents
Shimizu's latest patents include an "Insulating Plate for Rail Insulated Joint" and an "Electrically Heated Alignment Pad." The insulating plate features a main plate portion made of a thermo-plastic resin, with thick portions formed on the side face that contacts a joint plate. It also includes planar heater elements embedded in these thick portions. The electrically heated alignment pad consists of at least one sheet of material with a thermoplastic resinous composition and a heater that can heat and soften the sheet. This pad is designed for aligning machine equipment, rails, beams, girders, or other construction elements, ensuring precise positioning.
Career Highlights
Throughout his career, Shimizu has worked with prominent companies such as Matsushita Electric Industrial Co., Ltd. and Japanese National Railways. His experience in these organizations has allowed him to develop and refine his innovative ideas in rail technology.
Collaborations
Shimizu has collaborated with notable coworkers, including Yoshihiro Murata and Kainen Watanabe. Their combined expertise has contributed to the advancement of technology in their respective fields.
Conclusion
Keiji Shimizu's contributions to rail technology through his patents and collaborations highlight his role as an influential inventor. His work continues to impact the industry positively.
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.