Location History:
- Tucson, AZ (US) (1993)
- Saitama-ken, JP (2002 - 2008)
- Tokyo, JP (1984 - 2011)
Company Filing History:
17 out of 3,132 
12 out of 1,056 
2 out of 2 
Years Active: 1984-2011
Title: The Innovative Vision of Moriyasu Shirayanagi
Introduction: Moriyasu Shirayanagi, a prominent inventor located in Saitama-ken, Japan, has made significant contributions to the field of optical lens design. With a remarkable portfolio boasting 35 patents, Shirayanagi's work focuses on advancing spectacles and lens technologies.
Latest Patents: Among Shirayanagi's latest innovations are two groundbreaking patents. The first, titled "Progressive Power Lens and Method of Designing the Same," describes a progressive power lens that mitigates degradation in optical characteristics caused by deviations in pantoscopic angle. This lens features both outer and inner refractive surfaces, with at least one being a progressive surface. By correcting the surface powers differently for distance and near portions, the lens enhances visual clarity for users.
The second patent, "Spectacle Lens and Spectacles," introduces a spectacle lens characterized by an aspherical surface on one of its sides. In this design, the outward normal line at a centration point tilts in relation to the axis passing through this point and the eye's center of rotation, resulting in an asymmetrical cross-section. This innovative approach aims to improve the overall visual experience for wearers.
Career Highlights: Shirayanagi has built a distinguished career, working with renowned companies such as Asahi Kogaku Kogyo Kabushiki Kaisha and Pentax Corporation. His efforts in these organizations have contributed to advancements in optical technology and improved the lives of countless eyewear users.
Collaborations: Throughout his career, Shirayanagi has collaborated with talented individuals like Toshiharu Takahashi and Yoshimi Obara. These partnerships have fostered a rich exchange of ideas and expertise, playing a pivotal role in the development of his innovative designs and patents.
Conclusion: Moriyasu Shirayanagi stands out as a leading figure in the world of optical innovation. His 35 patents and recent advancements in lens design exemplify his commitment to enhancing visual performance. As technology in this field continues to evolve, Shirayanagi's contributions will undoubtedly leave a lasting impact on eyewear and optical sciences.
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.