Seiichi Takaoka

Title: The Innovations of Seiichi Takaoka: A Pioneer in Electret Materials

Introduction

Seiichi Takaoka, an influential inventor based in Osaka, Japan, has made significant contributions to the field of electret materials with three patented inventions. His work primarily focuses on enhancing the properties of electret materials, improving their performance under various conditions.

Latest Patents

Takaoka's latest patents include:

1. **Electret Material and Electrostatic-Type Acoustic Transducer** - This patent presents an electret material characterized by excellent charge retentivity against heat. The innovative design includes an electrode plate, a semiconducting layer composed of carbon and a fluororesin, layered beneath an electret layer. This combination effectively minimizes the reduction in surface potential of the electret layer even when exposed to high temperatures.

2. **Process for Production of Electret Material** - This patent outlines a novel process for creating an electret material with superior thermal resistance and charge retentivity. The production process involves an irradiation step, a formation step, and a charging step. In the irradiation step, a dispersion of fine polytetrafluoroethylene particles undergoes irradiation with gamma rays. Following this, the dispersion is applied onto an electrode plate, dried, and sintered to form a robust polytetrafluoroethylene layer. Finally, the surface is subjected to a charging treatment.

Career Highlights

Throughout his career, Seiichi Takaoka has worked with prominent companies such as Nitto Denko Corporation and Mitsubishi Electric Corporation, where he has contributed to advancements in material science and technology. His extensive experience in these renowned companies has solidified his reputation in the field.

Collaborations

Takaoka has collaborated with esteemed colleagues, including Kumie Yamana and Masatoshi Ochiai. These partnerships have allowed for the exchange of ideas and expertise, leading to his innovative advancements in electret materials.

Conclusion

Seiichi Takaoka's work represents a significant leap in the development of electret materials, showcasing his innovative mindset and dedication to enhancing material properties for practical applications. With his three patents, he continues to influence the field and inspire future innovations.