Hyogo, Japan

Toshiyuki Okamoto

This inventor holds 2 USPTO granted patents. Top assignee: Ushio Denki Kabushiki Kaisha. Active years: 1991-2006.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toshiyuki Okamoto. Retrieved from https://idiyas.com/inventor/toshiyuki-okamoto-03ixbqed

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 2.9

ph-index = 1

Forward Citations = 22(Granted Patents)


Location History:

  • Takasago, JP (1991)
  • Hyogo, JP (2006)

Company Filing History:


Years Active: 1991-2006

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2 patents (USPTO):Explore Patents

Title: The Innovations of Toshiyuki Okamoto

Introduction

Toshiyuki Okamoto is a notable inventor based in Hyogo, Japan. He has made significant contributions to the field of lighting technology, particularly in the development of advanced lamp sealing methods and materials. With a total of 2 patents to his name, Okamoto's work reflects a commitment to innovation and excellence.

Latest Patents

One of Okamoto's latest patents is a sealing agent for a foil sealed lamp. This invention involves a lamp container made of transparent material, featuring a sealing portion made of molybdenum with a buried metallic foil. The design includes a light-emitting section connected to one end of the metallic foil and a lead rod extending outward to the other end. The sealing portion is filled with a sealing agent made of rubidium oxide or cesium oxide, while glass containing boron oxide and bismuth oxide is coated on the outer end surface to close the gap.

Another significant patent is a method for producing a fused silica envelope for discharge lamps. This method involves coating the inner surface of a fused silica tube with a formulation containing titanium alcoholate. The coating undergoes a baking process at a temperature of at least 1720°C, allowing TiO2 to diffuse into the tube. The resulting titanium concentration ranges from 0.5% to 7% in terms of TiO2, with the overall average concentration and wall thickness ranging from 3.7% µm to 42% µm. During the baking step, the tube is shaped to include a bulb-like portion by inflating the silica tube.

Career Highlights

Toshiyuki Okamoto is associated with Ushio Denki Kabushiki Kaisha, a company known for its advancements in lighting technology. His work has contributed to the company's reputation for innovation and quality in the industry.

Collaborations

Okamoto has collaborated with notable coworkers such as Tetsu Takemura and Hidetoshi Ichinose. Their combined expertise has further enhanced the development of innovative lighting solutions.

Conclusion

Toshiyuki Okamoto's contributions to the field of lighting technology through his patents and collaborations highlight his role as a significant inventor. His work continues to influence advancements in lamp design and production methods.

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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