This inventor holds 11 USPTO granted patents and 1 EPO patent. Top assignees: Dai Nippon Printing Co., Ltd., Nippon Shokubai Co., Ltd.. Active years: 2001-2012.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Shinjuku-Ku, JP (2001)
- Tokyo, JP (2008 - 2011)
- Tokyo-to, JP (2004 - 2012)
Company Filing History:
11 out of 3,208 
1 out of 1,335 Years Active: 2001-2012
Title: The Innovations of Tomonobu Sumino: A Pioneer in Color Filter Technology
Introduction
Tomonobu Sumino, a notable inventor based in Tokyo-to, Japan, has made significant contributions to the field of color filter technology. With a portfolio comprising 11 patents, Sumino has been at the forefront of developing innovative methods that enhance the quality and functionality of color filters.
Latest Patents
Among his recent innovations is a groundbreaking method for producing a color filter. This invention includes a transparent substrate, a light shielding part composed of a light shielding material and resin, and a colored layer strategically formed in the opening of the light shielding part. The design involves a thick film region that occupies 85% or more of the maximum thickness of the light shielding part, centered within it, while the thin film regions occupy 50% or less of the maximum thickness and are situated at both sides of the light shielding part. This precise arrangement optimizes color reproduction and light management in various applications.
Career Highlights
Throughout his career, Tomonobu Sumino has been affiliated with reputable companies, including Dai Nippon Printing Co., Ltd. and Nippon Shokubai Co., Ltd. His work in these organizations has allowed him to hone his expertise in the development of advanced materials and processes that drive the innovation of color filters.
Collaborations
Collaborating with talented individuals, including Seiji Tawaraya and Shinji Hayashi, has further enriched Sumino's inventive journey. These partnerships have led to the exchange of ideas and techniques, fostering an environment ripe for innovation in color filter technology.
Conclusion
In conclusion, Tomonobu Sumino stands out as a prominent inventor in the realm of color filter technology. His 11 patents underscore his dedication to advancing the industry and improving visual clarity and color accuracy. Through his innovative methods and collaborations, Sumino continues to play a pivotal role in shaping the future of color filter applications.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile