Location History:
- Nakanuma, Minami Ashigara-shi, Kanagawa, JP (1991)
- Kanagawa, JP (1982 - 2002)
- Minami-ashigara, JP (1981 - 2004)
- Yokohama, JP (1986 - 2014)
Company Filing History:
31 out of 16,458 
10 out of 690 
5 out of 327 
Years Active: 1981-2014
Title: Innovations and Contributions of Shigeki Yokoyama
Introduction
Shigeki Yokoyama, an accomplished inventor based in Minami-Ashigara, Japan, has made significant contributions to the fields of nuclear engineering and optoelectronics. With a remarkable portfolio consisting of 46 patents, Yokoyama has established himself as an innovative force in developing advanced technologies that enhance efficiency and safety in various applications.
Latest Patents
Among his latest patents are two notable inventions. The first is a "Nuclear reactor building and construction method thereof," which describes a novel steel plate concrete structure designed to house a pressure containment vessel. This vessel features multiple penetration ports and is complemented by a biological shielding wall. The design includes vertical division into several blocks, ensuring that each block has pressure containment ports on the same horizontal plane. Moreover, the reactor building is modularized, which enhances its structural integrity.
The second patent is for an "Optical compensatory sheet comprising substrate, orientation layer and optically anisotropic layer." This invention focuses on a transparent substrate thoughtfully layered with an orientation layer and an optically anisotropic layer composed of discotic liquid crystal molecules. The orientation layer utilizes a special type of denatured polyvinyl alcohol, which contains hydrocarbon or fluorine atoms. This innovative alignment technology is crucial for improving the performance of liquid crystal displays, specifically those utilizing the STN mode.
Career Highlights
Throughout his career, Shigeki Yokoyama has held positions in prestigious companies, including Fuji Photo Film Company, Limited and Nippon Oil Company. His work in these organizations has significantly influenced advancements in the products and technologies they offer. Yokoyama's dedication to research and innovation showcases his commitment to pushing the boundaries of science.
Collaborations
Yokoyama has collaborated with respected professionals in the field, including Yukio Maekawa and Kazuo Matsuura. These partnerships have fostered an environment of creativity and innovation, leading to groundbreaking patents and technology developments that address complex challenges in the industry.
Conclusion
Shigeki Yokoyama's impressive array of patents and his contributions to the nuclear and optoelectronic sectors mark him as a significant inventor in his field. His recent patents highlight his forward-thinking approach to engineering challenges and commitment to safety and efficiency. Through his career and collaborations, Yokoyama continues to inspire future innovations that will likely leave a lasting impact on technology and industry.
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.