Company Filing History:
15 out of 5,966 
1 out of 42 Years Active: 2013-2025
Title: **Inventor Harunobu Matsui: Innovating Optical Technologies**
Introduction
Harunobu Matsui, an accomplished inventor based in Joetsu, Japan, has made significant contributions to the field of optical technologies. With an impressive portfolio of 16 patents, Matsui stands out as a prominent figure in the innovation landscape. His recent patents primarily focus on synthetic quartz glass, enhancing the functionality and application of optical devices.
Latest Patents
Matsui's latest innovations include various groundbreaking patents. Notably, he developed a **synthetic quartz glass substrate with an antireflection film** designed to improve optical performance. This substrate features a specific design that meets stringent requirements, including a contact angle measured by a sessile drop method. The antireflection film consists of multiple layers—each employing different materials like AlO, HfO, and MgF or SiO, ensuring superior optical clarity.
Another significant patent protects his design for a **synthetic quartz glass cavity member and lid for an optical device package**. This invention involves a cavity member bonded to a substrate housing an optical device, facilitating better device accommodation and performance. The unique design includes a mirror top surface and a rough side surface, optimizing the optical device's effectiveness.
Career Highlights
Matsui has worked with prestigious organizations such as Shin-Etsu Chemical Co., Ltd. and Shin-Etsu Chemical Co., Ltd., where he contributed his expertise to the development of advanced materials and optical technologies. Through his career, he has paved the way for innovative solutions that are critical in various applications, including telecommunications and consumer electronics.
Collaborations
Throughout his career, Matsui has collaborated with talented professionals, including Masaki Takeuchi and Daijitsu Harada. These partnerships have fostered a creative environment that has led to successful advancements in optical technologies, amplifying the impact of their combined expertise.
Conclusion
Harunobu Matsui remains a pivotal figure in the field of optical innovations. His dedicated work, reflected in his 16 patents, showcases his commitment to enhancing the functionality of optical devices through innovative solutions. As the demand for advanced optical technologies continues to grow, Matsui's contributions position him as an influential inventor in the 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.