Funabashi, Japan

Hiroshi Saitoh

This inventor holds 8 USPTO granted patents. Top assignees: Onoda Cement Co., Ltd., Onada Cement Co., Ltd, Other. Active years: 1983-1993.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroshi Saitoh. Retrieved from https://idiyas.com/inventor/hiroshi-saitoh-vjsh9jp5

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 = 5.6

ph-index = 7

Forward Citations = 179(Granted Patents)


Location History:

  • Chiba, JP (1983)
  • Funabashi, JP (1987 - 1993)

Company Filing History:

goldMedal7 out of 101 
 
Onoda Cement Co., Ltd.
 patents
silverMedal1 out of 2 
 
Onada Cement Co., Ltd
 patents
bronzeMedal1 out of 834,570 
Other
 patents
where one patent can have more than one assignee

Years Active: 1983-1993

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8 patents (USPTO):Explore Patents

Title: Hiroshi Saitoh: A Pioneer in Plasma Technology

Introduction

Hiroshi Saitoh is an accomplished inventor based in Funabashi, Japan, known for his innovative contributions to plasma technology. With a total of eight patents to his name, Saitoh has significantly impacted various industrial applications through his groundbreaking inventions.

Latest Patents

Among Hiroshi Saitoh's most notable patents are the "Multiple Torch Type Plasma Generation Device and Method of Generating" and the "Method for Making Diamond and Apparatus Therefor." The multiple torch type plasma generation device injects plasma gas tangentially to an insulator, aligning the arc column with the torch. This design creates a vortex annular gas sheath, effectively narrowing down the plasma flame for enhanced efficiency. The second patent involves generating a plasma flame between discharge electrodes, where a raw material gas flows within the flame to create diamond deposits on a substrate.

Career Highlights

Throughout his career, Hiroshi Saitoh has contributed to various industries, showcasing his expertise while working with notable companies such as Onoda Cement Co., Ltd. His work has paved the way for advancements in plasma generation and material synthesis, illustrating the application of innovative technologies in real-world scenarios.

Collaborations

Saitoh has collaborated with talented individuals like Tsutomu Itoh and Hideo Nagasaka, fostering a creative environment that has allowed for mutual innovation. Together, they have explored new avenues within plasma technology, further enhancing the capabilities of the devices they have developed.

Conclusion

Hiroshi Saitoh's commitment to innovation is evident in his extensive list of patents and his contributions to plasma technology. His work not only reflects his ingenuity but also serves as a foundation for future advancements in the field, inspiring the next generation of inventors and engineers.

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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