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For the Inventor, By the Inventor

Otake, Japan

Masaaki Kato

This inventor holds 11 USPTO granted patents. Top assignee: Mitsubishi Rayon Company, Limited. Active years: 1977-1993.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masaaki Kato. Retrieved from https://idiyas.com/inventor/masaaki-kato-td5f64gp

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

Calculating rank
USPTO Granted Patents = 11

% Patents Active = 100.0

Average Co-Inventor Count = 3.4

ph-index = 6

Forward Citations = 101(Granted Patents)


Location History:

  • Yamaguchi, JA (1977)
  • Yamaguchi, JP (1979)
  • Hatsukaichi, JP (1984)
  • Ohtake, JP (1989)
  • Otake, JP (1989 - 1993)
  • Hiroshima, JP (1989 - 1993)

Company Filing History:

goldMedal11 out of 1,357 
 
Mitsubishi Rayon Company, Limited
 patents

Years Active: 1977-1993

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11 patents (USPTO):Explore Patents
1. 5221768 - Process for the production of deuterated acid or deuterated methacrylic (1993-06-22),
2. 5208371 - Process for production of methacrolein and methacrylic acid (1993-05-04),
3. 4891347 - Process for the preparation of catalyst used in the production of (1990-01-02),
4. 4874890 - Process for the production of deuterated methyl acrylate or deuterated (1989-10-17),
5. 4816603 - Process for the production of methacrolein and methacrylic acid (1989-03-28),
6. 4814305 - Method for regeneration of oxidation catalyst (1989-03-21),
7. 4804778 - Process for producing methacrylic acid (1989-02-14),
8. 4803302 - Process for the production of methacrylic acid (1989-02-07),
9. 4469810 - Process for the calcination of phosphorus-molybdenum catalyst (1984-09-04),
10. 4165296 - Method for regenerating an oxidation catalyst (1979-08-21),
11. 4051179 - Catalytic process for the preparation of unsaturated carboxylic acids (1977-09-27),

Title: Masaaki Kato: Innovator in Chemical Processes

Introduction

Masaaki Kato is a prominent inventor based in Otake, Japan. He has made significant contributions to the field of chemical processes, holding a total of 11 patents. His work focuses on the production of specialized chemical compounds that have important applications in various industries.

Latest Patents

One of Masaaki Kato's latest patents is a process for the production of deuterated acrylic acid or deuterated methacrylic acid. This innovative process involves the exchange of hydrogens in acrylic acid or methacrylic acid with deuteriums in the presence of a catalyst. The resulting deuterated acids are valuable as starting materials in the production of high-quality optical plastic fibers. Another notable patent is for the production of methacrolein and methacrylic acid. This invention provides an industrially advantageous method for producing these compounds by subjecting isobutylene or tert-butanol to gas phase catalytic oxidation with a molecular oxygen-containing gas, utilizing a specific catalyst composition.

Career Highlights

Masaaki Kato is associated with Mitsubishi Rayon Company, Limited, where he has been instrumental in advancing chemical production techniques. His expertise and innovative approaches have led to the development of processes that enhance efficiency and product quality in the chemical industry.

Collaborations

Masaaki Kato has collaborated with notable colleagues, including Masao Kobayashi and Motomu Oh-Kita. These partnerships have fostered a collaborative environment that encourages the exchange of ideas and the advancement of chemical research.

Conclusion

Masaaki Kato's contributions to the field of chemical processes exemplify the impact of innovation in industry. His patents reflect a commitment to advancing technology and improving production methods. His work continues to influence the development of high-quality chemical products.

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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