Company Filing History:
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1 out of 1,498 
1 out of 118 
Years Active: 2011-2017
Title: The Innovations of Toshio Shikama
Introduction
Toshio Shikama is a notable inventor based in Sayama, Japan. He has made significant contributions to the field of engineering, particularly in the development of devices related to trolley trucks. With a total of 2 patents, his work showcases innovative solutions that enhance the functionality and efficiency of transportation systems.
Latest Patents
One of Shikama's latest patents is the "Pantograph Device of Trolley Truck." This invention includes a base frame, a bottom frame rockably attached to the base frame, and a top frame that is also rockably attached. The device features a collector shoe that is rockably supported near the top end of the top frame, along with a hydraulic cylinder for raising and lowering the bottom frame. The design allows for a wide movable range without the need for a long and strong spring, improving the followability to overhead wires.
Another significant patent is the "Collector Shoe Device." This invention aims to maintain optimal contact performance between an overhead line and a slider throughout the entire length of the slider. The slider is formed of elements and is supported on a slider support body. The center support member of the slider support body is designed to elastically deform downward, allowing the slider to track the movement of overhead lines effectively.
Career Highlights
Throughout his career, Toshio Shikama has worked with prominent companies such as Hitachi Power Solutions Co., Ltd. and Hitachi Construction Machinery Co., Ltd. His experience in these organizations has contributed to his expertise in developing innovative engineering solutions.
Collaborations
Shikama has collaborated with notable coworkers, including Hiroyuki Kanazawa and Shinji Akino. Their teamwork has likely played a role in the successful development of his patents.
Conclusion
Toshio Shikama's contributions to the field of engineering through his innovative patents demonstrate his commitment to enhancing transportation technology. His work continues to influence the industry and showcases the importance of creativity in engineering solutions.
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.