Koji Ogura

Title: Inventor Koji Ogura: Innovations in Piezoelectric Materials

Introduction

Koji Ogura is an accomplished inventor based in Aichi, Japan, known for his contributions to the field of materials science, particularly in piezoelectric ceramics. With a total of two patents to his name, Ogura's work focuses on enhancing the properties of ceramic and composite materials for various applications.

Latest Patents

1. **Particulate Lead Titanate Ceramic and Composite Material**: This invention involves a particulate lead titanate ceramic obtained by calcining a mixture containing TiO.sub.2 and PbO at temperatures between 1150°C and 1300°C. The proportion of PbO is greater than one mole per mole of TiO.sub.2. The composite material, which includes the particulate lead titanate ceramic supported in an organic substrate, demonstrates improved piezoelectric properties, making it useful as a piezoelectric or pyroelectric element.

2. **Underwater Acoustic Wave Transmitting and Receiving Unit**: This patent refers to an underwater acoustic wave transmitting and receiving unit characterized by its excellent transmitting and receiving capabilities, along with stable performance over extended periods. It features a plate-shaped polarized piezoelectric resonator, which is composed of a fluorosilicon rubber-lead titanate complex. The resonator is sealed within a rubber casing that is filled with an insulating liquid that matches the acoustic impedance of the surrounding water, ensuring effective operation.

Career Highlights

Koji Ogura is affiliated with NGK Spark Plug Company, Limited, where he applies his innovative mindset to develop advanced technologies. His expertise in piezoelectric materials has significantly contributed to the company's research and product development initiatives.

Collaborations

Throughout his career, Ogura has collaborated with notable coworkers such as Hideo Sobue and Kanji Ohya. These partnerships have fostered a collaborative environment that promotes creativity and innovation, allowing them to achieve significant advancements in their respective fields.

Conclusion

In conclusion, Koji Ogura's work exemplifies the spirit of innovation in materials science. With his valuable patents in lead titanate ceramics and underwater acoustic technology, he continues to impact industries that rely on high-performance materials. As he advances his career at NGK Spark Plug Company, Limited, Ogura remains a significant figure in the realm of inventions aimed at improving functional and practical applications.