Location History:
- Kanagawa, JP (2009 - 2011)
- Yokohama, JP (1998 - 2024)
Company Filing History:
15 out of 8,891 
2 out of 822 
1 out of 2,636 
Years Active: 1998-2025
Title: Katsuya Watanabe: Innovator in Optical Systems
Introduction
Katsuya Watanabe is a prominent inventor based in Yokohama, Japan. He has made significant contributions to the field of optical systems, holding a total of 17 patents. His work has advanced the technology used in various optical devices, showcasing his expertise and innovative spirit.
Latest Patents
Watanabe's latest patents include an optical system, an optical apparatus, and methods for manufacturing these systems. One of his notable inventions is a zoom optical system that features an aperture stop and a positive lens positioned closer to the object side than the aperture stop. This positive lens meets specific conditional expressions that enhance its performance. Additionally, he has developed another optical system that incorporates a negative lens, also designed to improve optical quality and functionality.
Career Highlights
Throughout his career, Watanabe has worked with renowned companies such as Nikon Corporation and Ushio Denki Kabushiki Kaisha. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking advancements in optical technology.
Collaborations
Watanabe has collaborated with talented individuals in the field, including Azuna Nonaka and Masashi Yamashita. These partnerships have fostered innovation and have led to the development of cutting-edge optical solutions.
Conclusion
Katsuya Watanabe's contributions to optical systems have established him as a key figure in the industry. His patents and collaborations reflect his dedication to advancing technology and improving optical devices.