Otake, Japan

Masao Kobayashi

This inventor holds 24 USPTO granted patents, primarily in Chemical Production. Top assignee: Mitsubishi Rayon Company, Limited. Active years: 1976-1993.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masao Kobayashi. Retrieved from https://idiyas.com/inventor/masao-kobayashi

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 = 3.7

ph-index = 13

Forward Citations = 347(Granted Patents)


Location History:

  • Ohtake, JA (1976)
  • Otake, J (1976)
  • Otake, JA (1977)
  • Yamaguchi, JP (1979)
  • Ohtake, JP (1978 - 1989)
  • Hiroshima, JP (1989 - 1991)
  • Otake, JP (1978 - 1993)

Company Filing History:


Years Active: 1976-1993

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Areas of Expertise:
Deuterated Acid
Methacrylic Acid
Unsaturated Fatty Acids
Catalytic Process
4-Hydroxybutyl Methacrylate
Methyl Methacrylate
Isobutylene
Unsaturated Aldehydes
Phosphorus-Molybdenum Catalyst
Vapor-Phase Oxidation
Tau-Butyl Methacrylate
Unsaturated Carboxylic Acids
24 patents (USPTO):Explore Patents

Title: Innovations and Patents of Masao Kobayashi

Introduction

Masao Kobayashi, a distinguished inventor based in Otake, Japan, has made significant contributions to the field of chemical engineering and polymer sciences. With an impressive portfolio of 23 patents, he is recognized for his innovative approaches in the production of advanced materials.

Latest Patents

Kobayashi’s recent patents highlight his expertise in the synthesis of specialized chemicals. One notable patent is the "Process for the production of deuterated acid or deuterated methacrylic." This innovation involves the exchange of hydrogens in acrylic acid or methacrylic acid with deuteriums in the presence of a catalyst. The deuterated versions of these acids serve as essential starting materials for high-quality optical plastic fibers.

Another significant patent is the "Method for producing 4-hydroxybutyl (meth)acrylate," where 4-Hydroxybutyl (meth)acrylate is synthesized by reacting (meth)acrylic acid with 1,4-butanediol in the presence of an acidic catalyst. Specific ratios of butanediol to acid and ester to acid are meticulously maintained throughout the chemical process, ensuring optimal production efficiency.

Career Highlights

Masao Kobayashi currently works at Mitsubishi Rayon Company, Limited, a pioneering entity in the chemical industry. His role within the company allows him to focus on developing innovative chemical processes and materials that drive industry advancements. His contributions have placed him at the forefront of research and development, leading to numerous patents that enhance production techniques and material quality.

Collaborations

In his career, Kobayashi has collaborated with esteemed colleagues such as Hideo Matsuzawa and Hiromichi Ishii. These partnerships have fostered a collaborative research environment that encourages the exchange of ideas and stimulates innovation within the company.

Conclusion

Masao Kobayashi exemplifies the spirit of innovation through his significant contributions in chemistry and materials science. With his extensive patent portfolio, he remains a key figure in advancing technologies that benefit various industries, particularly in the field of optical plastics. His ongoing work in collaboration with talented coworkers continues to influence the future of chemical engineering.

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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