Location History:
- Neyagawa, JP (1986)
- Taki-gun, JP (1999)
- Sasayama, JP (2004)
- Hyogo, JP (2003 - 2012)
Company Filing History:
11 out of 16,453 
6 out of 27,375 
1 out of 152 Years Active: 1986-2012
Title: The Innovations of Tomokazu Tokunaga
Introduction
Tomokazu Tokunaga is a prominent inventor based in Hyogo, Japan. He has made significant contributions to the field of optical elements, holding a total of 17 patents. His work focuses on the development of advanced optical components that enhance various applications in technology.
Latest Patents
One of Tokunaga's latest patents is for a cemented optical element. This innovative design includes a convex lens and a concave lens, where the convex lens features a first convex surface and a second convex surface that are rotationally symmetric with respect to an optical axis. The convex lens has an edge with a thickness of substantially zero, while the concave lens is bonded to the first convex surface of the convex lens. Notably, the peripheral portion of the concave lens extends radially outwardly beyond the convex lens, ensuring optimal performance.
Another significant patent is for an optical component and method for producing the same. This invention highlights a glass composition suitable for a thin lens, providing a lens manufactured using this specialized glass. The concave lens, made of glass containing specific percentages of boron oxide, lanthanum oxide, and zinc oxide, has a thickness of 0.5 mm or less at its center. The lens can be produced efficiently through press forming, showcasing Tokunaga's innovative approach to optical design.
Career Highlights
Throughout his career, Tomokazu Tokunaga has worked with notable companies, including Panasonic Corporation and Matsushita Electric Industrial Co., Ltd. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking advancements in optical technology.
Collaborations
Tokunaga has collaborated with esteemed colleagues such as Tetsuya Suzuki and Toshiaki Takano. These partnerships have fostered a creative environment that has led to the development of innovative optical solutions.
Conclusion
Tomokazu Tokunaga's contributions to the field of optical elements are noteworthy, with a focus on creating advanced technologies that push the boundaries of innovation. His patents and collaborations reflect a commitment to excellence in optical design, making him a significant figure 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.