Shiso-gun, Japan

Kyosuke Fujina

This inventor holds 8 USPTO granted patents and 3 published patent applications, plus 1 CIPO patent. Top assignee: Ushio Denki Kabushiki Kaisha. Active years: 1997-2012.

USPTO Granted Patents = 8 

% Patents Active = 75.0


Average Co-Inventor Count = 2.7

ph-index = 2

Forward Citations = 11(Granted Patents)


Location History:

  • Hyogo-ken, JP (1997)
  • Shiso-Gun, JP (2003 - 2008)
  • Hyogo, JP (2004 - 2010)
  • Himeji, JP (2012)

Company Filing History:


Years Active: 1997-2012

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8 patents (USPTO):Explore Patents

Title: Kyosuke Fujina: Innovator in Discharge Lamp Technology

Introduction

Kyosuke Fujina is a prominent inventor based in Shiso-gun, Japan. He has made significant contributions to the field of lighting technology, particularly in the development of discharge lamps. With a total of 8 patents to his name, Fujina's work has had a lasting impact on the industry.

Latest Patents

Fujina's latest patents include innovative designs for xenon lamps and discharge lamp cathodes. One of his notable inventions is a xenon lamp featuring a lamp tube made of silica glass containing titanium oxide. This lamp has a discharge chamber with a light-emitting part that contains xenon, with a cathode and anode arranged in opposition. The design includes side tube parts extending from the light-emitting part, with lead rods sealed by gradient binding parts. Additionally, a conductive film is provided on the outer surface area of the lamp tube, enhancing its functionality.

Another significant patent involves a discharge lamp cathode that includes tip, middle, and body portions. This cathode is made of tungsten doped with thorium oxide, and it features a cylindrical body portion and a cone-shaped tip portion. The angles of these portions are carefully designed to optimize performance within the arc tube.

Career Highlights

Fujina is currently associated with Ushio Denki Kabushiki Kaisha, a company known for its advancements in lighting technology. His work has not only contributed to the company's success but has also positioned him as a key figure in the field of discharge lamps.

Collaborations

Throughout his career, Fujina has collaborated with notable coworkers such as Yasuro Kikuchi and Katsuoki Miyasu. These partnerships have fostered innovation and have led to the development of cutting-edge technologies in the lighting sector.

Conclusion

Kyosuke Fujina's contributions to discharge lamp technology exemplify his dedication to innovation and excellence. His patents reflect a deep understanding of the complexities involved in lighting design, and his work continues to influence the industry.

Profile summary based on public USPTO records.
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