Location History:
- Takarazuka, JA (1976 - 1978)
- Takarazuka, JP (1978)
- Nishinomiya, JP (1982 - 1987)
- Kawanishi, JP (1980 - 1992)
- Tokyo, JP (1994 - 1996)
- Osaka, JP (1997)
Company Filing History:
17 out of 1,156 
10 out of 6,892 
1 out of 4 Years Active: 1976-1997
Title: **Innovative Contributions of Motoaki Yoshida in Lens Technology**
Introduction
Motoaki Yoshida is an influential inventor based in Kawanishi, Japan, known for his groundbreaking contributions in the field of lens technology. With an impressive portfolio of 20 patents, Yoshida has specialized in creating advanced plastic lenses, enhancing both their functionality and durability.
Latest Patents
One of Yoshida's latest patents is a process for producing plastic lenses that include a primer layer. This innovative process begins by applying a primer layer made of polyurethane onto a plastic lens substrate. Following this, a hard coat layer made up of silicone resin is added atop the primer layer. Finally, a single-layer or multi-layer anti-reflection coating is deposited on the hard coat layer with an inorganic material. Notably, the polyurethane used for the primer layer is a thermosetting type, which significantly improves the lens’s performance. Another relevant patent involves a laminated approach to creating plastic lenses, consisting of multiple components including a refractive substrate with a specific index, a metal compound-containing primer layer, and a protective coating with anti-reflective properties.
Career Highlights
Motoaki Yoshida has worked with prominent companies such as Nippon Sheet Glass Company, Limited and Sumitomo Chemical Company, Limited. His tenure at these organizations has allowed him to develop practical applications of his inventive concepts, facilitating advancements in lens manufacturing.
Collaborations
Throughout his career, Yoshida has collaborated with reputable colleagues, including Akio Takigawa and Akira Fujioka. These partnerships have contributed to enriching the research and development processes that underlie his innovative patents.
Conclusion
Motoaki Yoshida’s contributions to lens production through innovative techniques and materials exemplify his dedication to advancing optical technology. His extensive array of patents not only underscores his role as a leading inventor in this field but also reflects the impact of his work on the industry at large. His ongoing efforts continue to inspire advancements in plastic lens technologies, making significant strides toward enhancing everyday optical applications.
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.