Location History:
- Nagahami, JP (1988)
- Ueno, JP (1988 - 1990)
- Shiga, JP (1989 - 1990)
- Nagahama, JP (1988 - 1991)
Company Filing History:
Years Active: 1988-1991
Title: Innovations by Takayoshi Arai in Microwave Technologies
Introduction
Takayoshi Arai is a prominent inventor based in Nagahama, Japan, known for his significant contributions to the field of microwave technology. With an impressive portfolio of 21 patents, he has made remarkable innovations that enhance the functionality and efficiency of deposited films using microwave energy.
Latest Patents
His latest patent focuses on a method for forming functional deposited films. This innovative approach involves introducing a raw material gas into a substantially enclosed reaction chamber, where a substrate awaits the deposition of a functional film. By coupling microwave energy into this chamber, Arai’s method creates a glow discharge plasma that decomposes the raw material gas. An important enhancement of his method includes supplying microwave power at a rate that is at least 1.1 times higher than the power needed to saturate the deposition rate, while maintaining the chamber's pressure at 10 m Torr or less. This leads to the formation of highly effective functional deposited films, which exhibit improved response speed against photocurrent and allow for nearly complete efficiency in raw material gas utilization. This method facilitates the mass production of various functional elements applicable in electrophotographic photosensitive members, photosensors, thin-film transistors, and solar cells, significantly reducing production costs.
Another notable patent by Arai is a microwave plasma treating apparatus. This device comprises a vacuum vessel, microwave introduction mechanisms, gas supply systems, and evacuation devices, as well as a specimen holder. Key features include a cavity resonator integrated with matching circuits and a magnetic field generator outside the resonator. These components ensure efficient microwave transmission and enable the creation of regions with high magnetic flux density, enhancing the treatment process.
Career Highlights
Takayoshi Arai is currently associated with Canon Kabushiki Kaisha, a leading Japanese company known for its innovations in imaging and optical products. His work has significantly advanced the capabilities of microwave technologies in various industrial applications.
Collaborations
Throughout his career, Arai has collaborated with notable colleagues such as Keishi Saitoh and Shigeru Shirai. These partnerships have fostered a creative environment leading to groundbreaking innovations in their field.
Conclusion
In summary, Takayoshi Arai's contributions to microwave technology reflect a blend of creativity and practical application. His patents not only improve the deposition processes but also hold the potential for widespread industrial use, showcasing the importance of innovative thinking in the field of materials science.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.