Takasaki, Japan

Hitoshi Shimizu

This inventor holds 4 USPTO granted patents. Top assignee: Nippon Kayaku Kabushiki Kaisha. Active years: 1976-1978.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hitoshi Shimizu. Retrieved from https://idiyas.com/inventor/hitoshi-shimizu-51cvoiu9

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 = 2.7

ph-index = 3

Forward Citations = 44(Granted Patents)


Location History:

  • Takasaki, JA (1976 - 1977)
  • Takasaki, JP (1978)

Company Filing History:


Years Active: 1976-1978

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4 patents (USPTO):Explore Patents

Title: Hitoshi Shimizu: Innovator in Chemical Processes

Introduction

Hitoshi Shimizu is a prominent inventor based in Takasaki, Japan. He has made significant contributions to the field of chemical processes, particularly in the production of aromatic nitriles and methacrolein. With a total of 4 patents to his name, Shimizu's work has had a notable impact on the industry.

Latest Patents

Shimizu's latest patents include a process for the production of aromatic nitriles. This innovative process involves contacting an aromatic compound with ammonia and molecular oxygen in the vapor phase, utilizing a specific catalyst composition. Another significant patent focuses on the production of methacrolein and the oxidation catalyst used for this process. These advancements showcase his expertise and commitment to enhancing chemical production methods.

Career Highlights

Throughout his career, Hitoshi Shimizu has been associated with Nippon Kayaku Kabushiki Kaisha, where he has contributed to various research and development projects. His work has not only advanced the company's objectives but has also pushed the boundaries of chemical engineering.

Collaborations

Shimizu has collaborated with notable colleagues such as Shigeo Takenaka and Fumio Sakai. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.

Conclusion

Hitoshi Shimizu's contributions to the field of chemical processes are commendable. His patents reflect a deep understanding of chemical engineering and a commitment to innovation. His work continues to influence the industry and inspire 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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