Gunma, Japan

Tutomu Nakajima

This inventor holds 1 USPTO granted patent. Top assignee: Shin-Etsu Chemical Co., Ltd.. Active years: 2004.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tutomu Nakajima. Retrieved from https://idiyas.com/inventor/tutomu-nakajima

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

Calculating rank

Average Co-Inventor Count = 4.0

ph-index = 1

Forward Citations = 7(Granted Patents)


Company Filing History:


Years Active: 2004

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1 patent (USPTO):Explore Patents

Title: **Innovative Contributions of Tutomu Nakajima in Silicone Technology**

Introduction

Tutomu Nakajima, an inventive mind from Gunma-ken, Japan, has made notable strides in the field of silicone technology. With a patent portfolio that showcases his expertise, Nakajima has contributed significantly to the development of silicone emulsion compositions, which are optimal for various applications in the industry.

Latest Patents

Among his notable inventions, Nakajima holds a patent for a "Silicone emulsion composition adherent to plastic film substrates and release film." This formulation consists of an addition reaction curing type silicone emulsion, featuring a major proportion of organopolysiloxane with multiple alkenyl radicals. The composition is designed to easily adhere to plastic film substrates and exhibits excellent release properties to pressure-sensitive adhesives, making it ideal for use as a release film.

Career Highlights

Tutomu Nakajima is currently associated with Shin-Etsu Chemical Co., Ltd., a company renowned for its advancements in silicone products. His role at the company allows him to explore innovative solutions and further develop his patented technology, embodying the cutting-edge research and development the company is known for.

Collaborations

Throughout his career, Nakajima has collaborated with talented professionals such as Kenji Yamamoto and Shinji Irifune. These collaborations have fostered a creative environment where innovative ideas can flourish, leading to advancements in silicone technology and the successful application of Nakajima’s inventions.

Conclusion

Tutomu Nakajima’s contributions to silicone technology, particularly his patented silicone emulsion composition, emphasize the importance of innovation in material science. With a strong career at Shin-Etsu Chemical Co., Ltd. and fruitful collaborations, Nakajima continues to make an impact on the industry, paving the way for future advancements in silicone applications.

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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