Location History:
- Toyoda, JP (1989)
- Toyota, JP (1985 - 1994)
Company Filing History:
4 out of 3,252 
2 out of 111 
Years Active: 1985-1994
Title: Isamu Shigeta: Innovator in Water Purification Technology
Introduction
Isamu Shigeta is a notable inventor based in Toyota, Japan. He has made significant contributions to the field of water purification, holding a total of 4 patents. His innovative designs focus on improving the safety and efficiency of water purification systems.
Latest Patents
Shigeta's latest patents include a water purifying apparatus that features a filter designed as a positive electrode. This apparatus applies a DC voltage, supplied by a dry battery cell, between the filter and a negative electrode in the purified water passage. This design effectively prevents the proliferation of microbes in tap water that remains in the water purifying apparatus. Another notable invention is a compact water purifying apparatus that includes an electrically conductive filter. This filter occupies a portion of the water channel, purifying water as it flows through. The system is equipped with a battery that supplies voltage between two electrodes, enhancing the purification process.
Career Highlights
Throughout his career, Isamu Shigeta has worked with reputable companies such as Nippondenso Co., Ltd. and Inax Corporation. His experience in these organizations has contributed to his expertise in developing innovative water purification technologies.
Collaborations
Shigeta has collaborated with notable coworkers, including Yukio Oikawa and Shiro Saito. Their combined efforts have led to advancements in the field of water purification.
Conclusion
Isamu Shigeta's contributions to water purification technology demonstrate his commitment to innovation and public health. His patents reflect a deep understanding of the challenges in water safety and the importance of effective purification methods.