Location History:
- Tokyo, JP (1992 - 1993)
- Sapporo, JP (1997)
- Hokkaido, JP (1998)
Company Filing History:
4 out of 128 
4 out of 19 
2 out of 4,979 
Years Active: 1992-1998
Title: Norio Homma: Innovator in Superconductive Thin Film Technology
Introduction
Norio Homma is a distinguished inventor based in Tokyo, Japan, known for his significant contributions to the field of superconductive thin films. With a total of four patents to his name, he has made remarkable advancements in the production and quality of semiconductive materials.
Latest Patents
One of his latest patents is a process for forming a semiconductive thin film containing a junction. This method involves creating a thin junction film that includes a first thin oxide film exhibiting superconductivity and a second thin oxide film with insulator or semiconductive properties. The process enhances production efficiency and improves film quality. The first target is sputtered at a cathode voltage of minus 100 V, while the second target is switched to a self-bias voltage of minus 50 V, allowing for a seamless transition in film formation.
Another notable patent is a method of making an oxide superconducting thin film using a diode parallel plate type sputtering apparatus. This method includes a vacuum chamber and a substrate with a flat surface for film formation. By applying a high-frequency voltage and superimposing a DC voltage, the process generates plasma and maintains a consistent DC voltage, ensuring high-quality superconducting thin films.
Career Highlights
Norio Homma has worked with prominent organizations such as the International Superconductivity Technology Center and Hokkaido Electric Power Company, Inc. His experience in these institutions has allowed him to refine his expertise in superconductive materials and thin film technology.
Collaborations
Throughout his career, Norio has collaborated with notable colleagues, including Tadataka Morishita and Hiromi Takahashi. These partnerships have contributed to the advancement of research and development in superconductive technologies.
Conclusion
Norio Homma's innovative work in superconductive thin films has significantly impacted the field of materials science. His patents reflect a commitment to enhancing production methods and improving material properties, solidifying his reputation as a leading inventor in this domain.
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.