Ube, Japan

Tadashi Iwai

This inventor holds 7 USPTO granted patents. Top assignee: Ube Industries, Inc.. Active years: 1980-1984.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tadashi Iwai. Retrieved from https://idiyas.com/inventor/tadashi-iwai

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


% Patents Active = 100.0

Average Co-Inventor Count = 3.0

ph-index = 5

Forward Citations = 90(Granted Patents)


Company Filing History:


Years Active: 1980-1984

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7 patents (USPTO):Explore Patents

Title: The Innovations of Tadashi Iwai

Introduction

Tadashi Iwai is a prominent inventor based in Ube, Japan. He has made significant contributions to the field of chemical engineering, particularly in the production of silicon compounds. With a total of 7 patents to his name, Iwai's work has had a substantial impact on the industry.

Latest Patents

One of Iwai's latest patents is the production process of silicon tetrachloride. This innovative method allows for the effective and efficient production of silicon tetrachloride at relatively low temperatures and high yields. The process involves feeding a mixture of silicon dioxide and carbon into a reactor, along with gaseous boron trichloride and chlorine, to facilitate the formation of silicon tetrachloride in a moving bed. Another notable patent is the process for producing silicon nitride powder, which results in a uniform particle size of regular crystals.

Career Highlights

Iwai is associated with Ube Industries, Inc., where he has been instrumental in advancing the company's technological capabilities. His expertise in chemical processes has led to innovations that enhance production efficiency and product quality.

Collaborations

Throughout his career, Iwai has collaborated with notable colleagues, including Takashi Kawahito and Masahiro Tokuse. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.

Conclusion

Tadashi Iwai's contributions to the field of chemical engineering, particularly through his patents, demonstrate his commitment to innovation. His work continues to influence the industry and pave the way for future advancements.

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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