This inventor holds 39 USPTO granted patents and 14 published patent applications and 8 EPO patents, primarily in Optical Communication. Top assignees: Kohoku Kogyo Co., Ltd., Sumitomo Chemical Company, Limited, Nippon Sanso Corporation. Active years: 1977-2026.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Amagasaki, JA (1977)
- Amagasaki, JP (1980)
- Toyonaka, JP (1981 - 1982)
- Tokyo, JP (1983 - 2022)
- Nagahama, JP (2019 - 2023)
Company Filing History:












Years Active: 1977-2026
Areas of Expertise:
Title: Innovations by Takashi Kato in Optical Technologies
Introduction
Takashi Kato, a prominent inventor based in Tokyo, Japan, has made significant contributions to the field of optical technologies. With an impressive portfolio of 35 patents, he has developed innovative solutions that enhance the performance of optical systems. His work is characterized by a deep understanding of light manipulation and signal processing.
Latest Patents
Among his latest creations is the **Slope Gain Equalizer**, which corrects the slope of a gain characteristic of an optical signal within a predetermined wavelength bandwidth. This invention integrates an interference filter designed to manage insertion losses in opposite directions, offering improved signal clarity during transmission and reflection through dual-core and single-core fiber collimators.
Another notable invention is the **Interference Filter Module**, which features two optical fiber collimators aligned on an optical axis. This module is designed to hold interference filters securely within a specially crafted casing. The unique design includes two filter holding portions that allow for rotational adjustments, optimizing the performance of optical systems by accommodating specific interference patterns.
Career Highlights
Throughout his career, Takashi Kato has worked with reputable companies such as Kohoku Kogyo Co., Ltd. and Sumitomo Chemical Company, Limited. His involvement in these organizations has allowed him to refine his skills and innovate within the optical technologies sector.
Collaborations
Takashi has collaborated with several talented individuals, including Katsuhiro Iwasaki and Ryoichi Ikeda. These partnerships have further enriched his contributions to the industry and have facilitated the development of groundbreaking inventions.
Conclusion
Takashi Kato's impressive array of patents and his collaborations with esteemed colleagues underscore his status as a leading inventor in the field of optical technologies. His innovative work continues to influence the advancement of optical signal processing and communications, solidifying his legacy as a pioneer in this vital industry.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile