This inventor holds 13 USPTO granted patents and 1 published patent application and 1 EPO patent, primarily in Fuel Cell Technology. Top assignees: Honda Motor Co., Ltd., Honda Giken Kogyo Kabushiki Kaisha. Active years: 2005-2022.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Saitama, JP (2005 - 2009)
- Utsunomiya, JP (2011 - 2015)
- Wako, JP (2014 - 2022)
Company Filing History:


Years Active: 2005-2022
Areas of Expertise:
Title: Takatsugu Koyama: Innovator in Vehicle Technology
Introduction
Takatsugu Koyama is a prominent inventor based in Wako, Japan. He has made significant contributions to the field of vehicle technology, holding a total of 13 patents. His innovative work focuses on enhancing vehicle safety and efficiency through advanced engineering solutions.
Latest Patents
One of Koyama's latest patents is for a vehicle equipped with a high-pressure gas container. This invention features an interior chamber separate from the passenger compartment, designed to accommodate a high-pressure gas container. The vehicle includes introduction ports for atmospheric air, a communication passage between the interior and container chambers, and a lead-out port for air to exit the container chamber. This design ensures efficient airflow and safety in the vehicle's operation.
Another notable patent is a method for controlling a fuel cell vehicle. This method involves determining whether the vehicle is in a fuel supply state, where fuel gas is supplied from outside into a fuel storage chamber. The system is designed to prevent fuel gas leakage, even if a detector in the filling lid box detects fuel gas during this state.
Career Highlights
Koyama has worked with reputable companies such as Honda Motor Co., Ltd. and Honda Giken Kogyo Kabushiki Kaisha. His experience in these organizations has allowed him to develop and refine his innovative ideas in vehicle technology.
Collaborations
Throughout his career, Koyama has collaborated with notable colleagues, including Akio Yamamoto and Kazunori Fukuma. These partnerships have contributed to the advancement of his projects and the successful implementation of his inventions.
Conclusion
Takatsugu Koyama is a distinguished inventor whose work in vehicle technology has led to significant advancements in safety and efficiency. His innovative patents and collaborations reflect his commitment to improving the automotive industry.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile