Location History:
- Chigasaki, JA (1976)
- Yokohama, JP (1983)
Company Filing History:
2 out of 2,560 
1 out of 8 Years Active: 1976-1983
Title: Nobuyoshi Ichimura: Innovator in Sealing Glass Compositions and Liquid Crystal Cells
Introduction
Nobuyoshi Ichimura is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of materials science, particularly in the development of sealing glass compositions and liquid crystal cells. With a total of 2 patents to his name, Ichimura's work has had a lasting impact on electronic components and display technologies.
Latest Patents
Ichimura's latest patents include innovative advancements in sealing glass compositions. One patent discloses a sealing glass composition that contains a refractory filler with a lower coefficient of thermal expansion, specifically designed for sealing alumina packages used in electronic components. This composition consists of low melting glass powder and cordierite powder in proportions ranging from 2-30% by weight of the total composition. Additionally, it may include materials such as beta-eucryptite, beta-spodumen, lead titanate, or zircon, each not exceeding 15% by weight of the total composition. The low melting glass itself has a specific composition of 77.0-86.0 wt. % of PbO, 6.0-15.0 wt. % of B2O3, and other components that enhance its properties.
Another significant patent involves a liquid crystal cell that comprises a juxtaposed couple of planar elements, at least one of which is transparent. This cell features a liquid crystal material sealed around the edges, ensuring thermal and chemical stability. The use of low-melting glass as a sealant or sealant-spacer contributes to the cell's hermetic sealing and uniform spacing.
Career Highlights
Throughout his career, Nobuyoshi Ichimura has worked with prominent companies in the glass and materials industry. He has been associated with Asahi Glass Company, Limited and Iwaki Glass Co., Ltd., where he has contributed to various innovative projects and developments.
Collaborations
Ichimura has collaborated with notable coworkers, including Shigehiro Nagahara and Yoshiro Suzuki. Their combined expertise has likely fostered advancements in the technologies they have worked on together.
Conclusion
Nobuyoshi Ichimura's contributions to sealing glass compositions and liquid crystal cells highlight his innovative spirit and dedication to advancing technology. His patents reflect a deep understanding
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.