Kiyosu, Japan

Masakata Koseki

This inventor holds 8 USPTO granted patents and 1 published patent application. Top assignees: Toyoda Gosei Co., Ltd., Kabushiki Kaisha Toshiba. Active years: 2011-2017.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masakata Koseki. Retrieved from https://idiyas.com/inventor/masakata-koseki

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 8 

% Patents Active = 87.5

Average Co-Inventor Count = 2.6

ph-index = 2

Forward Citations = 19(Granted Patents)


Location History:

  • Aichi-ken, JP (2011 - 2012)
  • Kiyosu, JP (2014 - 2017)

Company Filing History:


Years Active: 2011-2017

Loading Chart...
8 patents (USPTO):Explore Patents

Title: The Innovations of Masakata Koseki: A Pioneer in Light-Emitting Technologies

Introduction: Masakata Koseki, an accomplished inventor based in Kiyosu, Japan, is recognized for his significant contributions to the field of light-emitting devices. With a total of 8 patents to his name, Koseki's work demonstrates a dedication to advancing technology in innovative ways.

Latest Patents: Among his recent patent filings, Koseki developed a groundbreaking light-emitting device that features a unique assembly of light-emitting elements mounted face-down on a substrate. This device incorporates a phosphor-containing film, a transparent plate, and a white reflector, all designed to optimize light emission while minimizing gaps in coverage. Another notable patent describes a light-emitting device that includes an LED chip secured in a case made of polycyclohexylene dimethylene terephthalate, utilizing a specially formulated sealant that maintains device integrity at high operating temperatures.

Career Highlights: Throughout his career, Masakata Koseki has collaborated with prestigious companies such as Toyoda Gosei Co., Ltd. and Kabushiki Kaisha Toshiba. His experience in these organizations has significantly shaped his innovative mindset and technical expertise, allowing him to contribute extensively to research and development in his specialty.

Collaborations: In his journey as an inventor, Koseki has worked alongside talented individuals, including Makoto Sato and Yuichi Yano. These collaborations have enriched the innovation process, fostering the exchange of ideas that drive technological advancements within the industry.

Conclusion: Masakata Koseki's impressive portfolio of patents reflects his dedication to innovation in light-emitting technologies. As he continues to develop groundbreaking solutions, Koseki remains a pivotal figure in the evolution of lighting technology, inspiring future generations of inventors.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
Loading…