This inventor holds 17 USPTO granted patents and 2 published patent applications and 6 EPO patents, primarily in Power Storage Devices. Top assignees: Honda Motor Co., Ltd., Honda Giken Kogyo Kabushiki Kaisha, Eliiy Power Co., Ltd. Active years: 1989-2025.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Saitama, JP (1989 - 2008)
- Sakado, JP (2012)
- Wako, JP (2013 - 2022)
- Tochigi, JP (2019 - 2022)
Company Filing History:
14 out of 22,006 
3 out of 10,092 
2 out of 23 
Years Active: 1989-2025
Areas of Expertise:
Title: The Innovations of Takeshi Yanagisawa
Introduction
Takeshi Yanagisawa is a prominent inventor based in Wako, Japan, known for his significant contributions to the field of welding technology and power storage devices. With a total of 17 patents to his name, Yanagisawa has made remarkable advancements that enhance efficiency and safety in various applications.
Latest Patents
One of his latest patents is a touch-start welding method between coils of different heights and the associated device. This invention includes a TIG welding device that comprises a welding robot, a robot control device, a welding torch, a welding control device, a gas feeder, and a height detection device. The welding torch is positioned at a reference point, while the height detection device measures the heights of two tip parts. The robot control device operates the welding robot to ensure that the torch electrode makes contact with the central part of the higher tip. As the torch electrode moves towards the reference position with power supplied, an arc is generated, melting and welding the tip parts together.
Another notable invention is a power storage device designed to prevent rainwater and washing water from entering its casing. This device features a secondary battery housed in a sealed structure, equipped with a safety valve and a drainage through hole. The casing includes an external container for the battery and an upper lid with a concave portion that houses the safety valve, ensuring optimal protection against moisture.
Career Highlights
Throughout his career, Takeshi Yanagisawa has worked with notable companies such as Honda Motor Co., Ltd. and Honda Giken Kogyo Kabushiki Kaisha. His experience in these organizations has allowed him to develop innovative solutions that address real-world challenges in engineering and technology.
Collaborations
Yanagisawa has collaborated with esteemed colleagues, including Kenichiro Murata and Akifumi Sudo, contributing to a dynamic exchange of ideas and expertise in their respective fields.
Conclusion
Takeshi Yanagisawa's contributions to welding technology and power storage devices exemplify his innovative spirit and dedication to advancing engineering solutions. His patents reflect a commitment to improving safety and efficiency in industrial applications.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile