Sakurai, Japan

Tadao Shioyama

This inventor holds 9 USPTO granted patents and 2 published patent applications. Top assignees: Matsushita Electric Industrial Co., Ltd., Sumita Optical Glass, Inc.. Active years: 1978-1994.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tadao Shioyama. Retrieved from https://idiyas.com/inventor/tadao-shioyama

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

USPTO Granted Patents = 9 

% Patents Active = 100.0

Average Co-Inventor Count = 4.1

ph-index = 8

Forward Citations = 114(Granted Patents)


Location History:

  • Katano, JP (1978)
  • Sakurai, JP (1987 - 1994)

Company Filing History:


Years Active: 1978-1994

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9 patents (USPTO):Explore Patents

Title: Tadao Shioyama: Innovator in Glass Production Technology

Introduction

Tadao Shioyama is a notable inventor based in Sakurai, Japan. He has made significant contributions to the field of glass production, holding a total of 9 patents. His innovative methods have advanced the technology used in creating glass blanks and optical elements.

Latest Patents

One of Shioyama's latest patents is a method of producing a glass blank. This method involves supplying a desired weight of molten glass material to a bearer heated to a temperature not exceeding the softening point of the glass. The process includes pressing the glass material at a temperature above the softening point to adjust its thickness, followed by cooling it back down. Another significant patent is for a machine designed for molding optical elements. This machine utilizes a molding block with upper and lower dies, a sleeve die, and an integrally combined glass blank. It features a chamber with distinct heating, deformation, and cooling zones, allowing for efficient production of optical elements.

Career Highlights

Throughout his career, Tadao Shioyama has worked with prominent companies such as Matsushita Electric Industrial Co., Ltd. and Sumita Optical Glass, Inc. His experience in these organizations has contributed to his expertise in glass technology and innovation.

Collaborations

Shioyama has collaborated with notable individuals in the field, including Masaaki Sunohara and Shoji Nakamura. These partnerships have likely fostered a creative environment that has led to further advancements in glass production techniques.

Conclusion

Tadao Shioyama's contributions to glass production technology through his patents and collaborations highlight his role as an influential inventor. His innovative methods continue to impact the industry positively.

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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