Chiba, Japan

Keiichi Watanabe

This inventor holds 2 USPTO granted patents and 1 EPO patent. Top assignees: Idemitsu Kosan Company, Limited, Sony Corporation. Active years: 1995-2011.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Keiichi Watanabe. Retrieved from https://idiyas.com/inventor/keiichi-watanabe-5k96yz9p

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

Calculating rank

% Patents Active = 50.0


Average Co-Inventor Count = 3.7

ph-index = 2

Forward Citations = 7(Granted Patents)


Company Filing History:


Years Active: 1995-2011

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2 patents (USPTO):Explore Patents

Title: Keiichi Watanabe: Innovator in Polycarbonate Resins and Animation Technology

Introduction

Keiichi Watanabe is a notable inventor based in Chiba, Japan. He has made significant contributions to the fields of materials science and animation technology. With a total of 2 patents, Watanabe's work reflects his innovative spirit and technical expertise.

Latest Patents

Watanabe's latest patents include an aromatic polycarbonate resin composition and a picture processing apparatus for producing animations. The aromatic polycarbonate resin composition is designed to include a combination of 98 to 1 mass % of an aromatic polycarbonate, 1 to 98 mass % of an aliphatic polyester, and 1 to 80 mass % of an organic filler derived from a natural product. This composition aims to suppress the increase in density while improving rigidity and fluidity, enhancing the external appearance of the material. The apparatus for producing a video signal represents a significant advancement in animation technology, allowing for the simple operation of creating animations by recording still pictures and converting them into video signals.

Career Highlights

Throughout his career, Keiichi Watanabe has worked with prominent companies such as Sony Corporation and Idemitsu Kosan Company, Limited. His experience in these organizations has contributed to his development as an inventor and innovator in his field.

Collaborations

Watanabe has collaborated with notable coworkers, including Haruo Kozono and Yasuhiro Aikawa. These partnerships have likely fostered a creative environment that has led to the development of his innovative patents.

Conclusion

Keiichi Watanabe's contributions to the fields of polycarbonate resins and animation technology highlight his role as a significant inventor. His patents reflect a commitment to innovation and improvement in material science and visual technology.

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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