Location History:
- Fuchu, JP (1987 - 1990)
- Tokyo, JP (1988 - 1995)
Company Filing History:
12 out of 28 
1 out of 21,893 
1 out of 3 
Years Active: 1987-1995
Title: Wataru Ichikawa: Innovator in Spot Welding Technology
Introduction
Wataru Ichikawa is a distinguished inventor based in Tokyo, Japan, recognized for his significant contributions to the field of welding technologies. Holding a remarkable array of 14 patents, Ichikawa has made noteworthy advancements that enhance industrial processes and efficiency.
Latest Patents
One of his latest inventions is a spot welding machine designed to streamline the welding process. This machine features tip electrodes mounted on the ends of first and second arms, with a pressing actuator that allows for precise application of force. An innovative interelectrode distance detector measures the distance between the electrodes and adjusts the position accordingly, optimizing the welding process. This invention significantly reduces operation time and minimizes the impact caused when electrodes contact the materials being welded. Moreover, it includes a speed control device that adjusts the actuator's moving speed based on interelectrode distance, further enhancing operational efficiency.
Another significant patent by Ichikawa is a conductive rotational position detection device comprising a stator and rotor configuration. This device utilizes primary coils to generate flux, which can detect the rotational position of the rotor based on changes in reluctance caused by its rotation. This innovative design enables accurate self-inductance detection, which is crucial for various applications requiring precise rotational feedback.
Career Highlights
Wataru Ichikawa's career is marked by his valuable contributions to renowned companies such as Kabushiki Kaisha Sg and Honda Motor Co., Ltd. His work in these organizations has been instrumental in pushing the boundaries of welding technology and has positioned him as a leading figure in industrial innovation.
Collaborations
Throughout his career, Ichikawa has collaborated with numerous talented individuals, including esteemed colleagues Yuji Matsuki and Seiji Hirohashi. Their collective expertise and innovative spirit have been pivotal in driving forward Ichikawa’s inventive projects and advancements.
Conclusion
In conclusion, Wataru Ichikawa stands out as a prominent inventor, whose advancements in spot welding technology and position detection devices are set to contribute significantly to the efficiency and effectiveness of industrial processes. His dedication to innovation and collaboration showcases the impact that skilled inventors can have on modern technology.