Location History:
- Suwa, JP (1993 - 2001)
- Nagano, JP (2006 - 2007)
- Nagano-ken, JP (2007 - 2008)
- Minamiminova-mura, JP (2013)
- Minamiminowa-mura, JP (2007 - 2014)
- Kamiina-gun, JP (2014 - 2015)
Company Filing History:
13 out of 33,404 
5 out of 15 
1 out of 14 Years Active: 1993-2015
Title: Kazutoshi Kato: A Pioneer in Lens Innovation
Introduction
Kazutoshi Kato is a notable inventor based in Nagano, Japan, recognized for his significant contributions to the field of optical lenses. With a remarkable portfolio of 19 patents, Kato has focused on innovations that enhance visual comfort for eyewear users.
Latest Patents
Among Kato's latest patents are two significant inventions in the domain of spectacle lenses. The first is a progressive-power lens, which incorporates a unique surface design defined by specific curvature expressions. This invention enhances the viewing experience for users by providing seamless transition between different optical zones. The second invention is related to spectacle lenses, allowing wearers to observe objects more comfortably. It features a pair of lenses where one is adjusted towards a positive dioptric power relative to the other, optimizing the average surface power for both lenses.
Career Highlights
Kato has made an impact through his work with esteemed companies, including Seiko Epson Corporation and Hoya Lens Manufacturing Philippines, Inc. His tenure at these organizations has been pivotal in developing innovative lens technologies that benefit consumers around the globe.
Collaborations
Throughout his career, Kato has collaborated with talented professionals such as Tadashi Kaga and Hiroyuki Mukaiyama. These collaborations have played a significant role in advancing the field of lens design and manufacturing, fostering an environment of innovation and creativity.
Conclusion
Kazutoshi Kato's dedication to advancing optical technology is evident in his numerous patents and impactful career. His inventions not only improve the comfort and clarity of vision for spectacles wearers but also contribute to the broader field of optical engineering, marking him as a key figure in lens innovation.
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.