Location History:
- Kyoto, JP (2001)
- Soraku-gun, JP (2003)
- Yokohama, JP (2004)
- Minato-Ku, JP (2012)
- Tokyo, JP (1987 - 2020)
Company Filing History:
7 out of 6,672 
2 out of 47 
1 out of 8 Years Active: 1987-2020
Title: The Innovations of Shigeki Takeda
Introduction
Shigeki Takeda, an accomplished inventor based in Tokyo, Japan, has made significant contributions to the field of environmental engineering. With a robust portfolio of 10 patents, his work primarily focuses on innovative sewage treatment systems and biological nitrogen removal methods, highlighting his commitment to sustainable practices.
Latest Patents
Among Takeda's latest innovations are two notable patents that showcase his expertise:
1. **Sewage Treatment System Having a Trickling Filter with Wash Unit**
This patent details a sophisticated sewage treatment system that employs a solid-liquid separating apparatus. The system features a first filtering medium packed layer designed to effectively separate sewage into solid components and filtered water. It includes a unique reversely washing mechanism that ensures the first filtering medium remains efficient over time. Following this, a trickling filter loaded with microorganisms enriches the treated water, completing the purification process.
2. **Method and Device for Removing Biological Nitrogen and Support Therefor**
This invention presents a biological nitrogen removal method utilizing a two-layered microbial film on a support surface. The outer layer is populated with nitrite-type nitrifying bacteria, while the inner layer comprises anaerobic ammonia oxidizing bacteria. This configuration allows for efficient denitrification of water, adjusting the feed rate of the support to optimize the reaction process, thus enhancing the overall effectiveness of nitrogen removal.
Career Highlights
Shigeki Takeda has held prominent positions in respected companies, including Kyocera Corporation and Metawater Co., Ltd. His roles within these organizations have provided him with the platform to develop and patent pioneering technologies in water treatment and environmental sustainability.
Collaborations
Throughout his career, Takeda has collaborated with noteworthy colleagues such as Akihiro Takahashi and Akihiko Endo. These partnerships have enabled the fusion of diverse ideas and expertise, contributing to the success of his inventions and the advancement of technologies in his field.
Conclusion
In summary, Shigeki Takeda stands out as a leading inventor in Japan, with a strong emphasis on environmental innovation. His patents illustrate a deep understanding of sewage treatment and biological nitrogen removal, positioning him as a key figure in enhancing sustainable practices within the industry. His contributions continue to influence the landscape of water treatment technologies, promoting cleaner and more efficient solutions for the future.