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For the Inventor, By the Inventor

Minamiashigara, Japan

Tsukasa Tokunaga

This inventor holds 8 USPTO granted patents and 4 published patent applications and 1 EPO patent. Top assignee: Fujifilm Corporation. Active years: 2011-2016.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tsukasa Tokunaga. Retrieved from https://idiyas.com/inventor/tsukasa-tokunaga

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 = 37.5

 

Average Co-Inventor Count = 1.8

ph-index = 4

Forward Citations = 43(Granted Patents)


Location History:

  • Kanagawa, JP (2013)
  • Kanagawa-ken, JP (2014)
  • Minami-ashigara, JP (2011 - 2015)
  • Ashigara-kami-gun, JP (2016)

Company Filing History:

goldMedal8 out of 16,949 
 
Fujifilm Corporation
 patents

Years Active: 2011-2016

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8 patents (USPTO):Explore Patents
1. 9389503 - Manufacturing method of conductive sheet and conductive sheet (2016-07-12),
2. 8940386 - Formed body with curved surface shape, method of producing the formed body, front cover for vehicle lighting device, and method of producing the front cover (2015-01-27),
3. 8881317 - Warm toilet seat (2014-11-11),
4. 8513878 - Spontaneous emission display, spontaneous emission display manufacturing method, transparent conductive film, electroluminescence device, solar cell transparent electrode, and electronic paper transparent electrode (2013-08-20),
5. 8354044 - EL device, light-sensitive material for forming conductive film, and conductive film (2013-01-15),
6. 8017306 - Method for producing conductive film (2011-09-13),
7. 7985527 - Conductive film and method of producing thereof (2011-07-26),
8. 7943291 - Conductive film-forming photosensitive material and conductive material (2011-05-17),

Title: Tsukasa Tokunaga: Innovator in Conductive Materials

Introduction

Tsukasa Tokunaga is a prominent inventor based in Minamiashigara, Japan. He has made significant contributions to the field of conductive materials, holding a total of 8 patents. His innovative work focuses on manufacturing methods that enhance the functionality and efficiency of conductive sheets.

Latest Patents

Among his latest patents, Tokunaga has developed a manufacturing method for a conductive sheet. This method involves several steps, including the formation of a silver halide-containing photosensitive layer and the creation of conductive portions through exposure and development treatments. Additionally, he has patented a formed body with a curved surface shape, which is particularly useful for vehicle lighting devices. This front cover for a vehicle lighting device incorporates a heat-generating body that maintains specific electrical resistance relationships, ensuring optimal performance.

Career Highlights

Tokunaga's career is marked by his association with Fujifilm Corporation, where he has been able to apply his expertise in materials science. His work has not only advanced the technology behind conductive materials but has also contributed to the development of innovative products in the automotive lighting sector.

Collaborations

Throughout his career, Tokunaga has collaborated with notable colleagues, including Tadashi Kuriki and Akira Ichiki. These partnerships have fostered a creative environment that has led to the successful development of various patents and innovations.

Conclusion

Tsukasa Tokunaga's contributions to the field of conductive materials exemplify the impact of innovative thinking in technology. His patents reflect a commitment to advancing manufacturing methods and enhancing product performance.

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]
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