Tokyo, Japan

Masahide Ishikawa

This inventor holds 1 USPTO granted patent. Top assignee: Hitachi Chemical Company, Ltd.. Active years: 1986.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masahide Ishikawa. Retrieved from https://idiyas.com/inventor/masahide-ishikawa-9ioqpcwj

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 = 4.0

ph-index = 1

Forward Citations = 24(Granted Patents)


Company Filing History:


Years Active: 1986

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1 patent (USPTO):Explore Patents

Title: The Innovations of Masahide Ishikawa

Introduction

Masahide Ishikawa is a prominent inventor based in Tokyo, Japan. He is known for his significant contributions to the field of polymer chemistry, particularly in the production of polyesters and block copolymers. His innovative work has led to advancements in materials science, making a notable impact in various industries.

Latest Patents

Masahide Ishikawa holds a patent for a process for producing polyester and block copolymer thereof. This patent describes a method for creating polyesters with a narrow molecular weight distribution and block copolymers derived from these polyesters. The process utilizes a catalyst system that includes an aluminum porphyrin complex and an organic quaternary salt, all under mild reaction conditions. This innovation enhances the efficiency and quality of polyester production.

Career Highlights

Ishikawa is currently employed at Hitachi Chemical Company, Ltd., where he continues to develop and refine his innovative processes. His work at this esteemed company has allowed him to collaborate with other talented professionals in the field, further advancing the science of polymer chemistry.

Collaborations

Some of his notable coworkers include Shohei Inoue and Takuzo Aida. Their collaborative efforts have contributed to the success of various projects and innovations within the company.

Conclusion

Masahide Ishikawa's contributions to the field of polymer chemistry, particularly through his patented processes, highlight his role as a key innovator in the industry. His work continues to influence advancements in materials science and production techniques.

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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