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For the Inventor, By the Inventor

Chiba, Japan

Masahiro Usui

This inventor holds 10 USPTO granted patents. Top assignees: Sumitomo Chemical Company, Limited, Arco Chemical Technology, L.p., Atlantic Richfield Company. Active years: 1978-1994.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masahiro Usui. Retrieved from https://idiyas.com/inventor/masahiro-usui

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

USPTO Granted Patents = 10

% Patents Active = 100.0

Average Co-Inventor Count = 3.3

ph-index = 4

Forward Citations = 86(Granted Patents)


Location History:

  • Tokyo, JP (1978 - 1980)
  • Ichihara, JP (1982)
  • Chiba, JP (1986 - 1994)
  • Sodegaura, JP (1994)

Company Filing History:

goldMedal8 out of 6,961 
 
Sumitomo Chemical Company, Limited
 patents
silverMedal1 out of 628 
 
Arco Chemical Technology, L.p.
 patents
bronzeMedal1 out of 1,851 
 
Atlantic Richfield Company
 patents

Years Active: 1978-1994

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10 patents (USPTO):Explore Patents
1. 5347062 - Process for preparing alkyl-substituted aromatic hydrocarbons (1994-09-13),
2. 5298667 - Process for producing phenol and methyl ethyl ketone (1994-03-29),
3. 5227559 - Process for preparing alkyl-subtituted aromatic hydrocarbons (1993-07-13),
4. 5017712 - Production of hydrocarbon-soluble salts of molybdenum for epoxidation of (1991-05-21),
5. 4777309 - Continuous process for producing 5-vinyl-2-norbornene (1988-10-11),
6. 4727204 - Process for preparing 5-ethylidene-2-norbornene with high quality (1988-02-23),
7. 4593012 - Production of hydrocarbon-soluble salts of molybdenum for epoxidation of (1986-06-03),
8. 4359365 - Method of purification of .beta.-phenylethyl alcohol (1982-11-16),
9. 4206310 - Process for the preparation of esters (1980-06-03),
10. 4105673 - Process for the preparation of lactones (1978-08-08),

Title: Masahiro Usui: Pioneering Inventor from Chiba, JP

Introduction: Masahiro Usui is a distinguished inventor hailing from Chiba, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Masahiro Usui holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his versatility and forward-thinking approach to invention.

Career Highlights: With a career spanning over two decades, Masahiro Usui has worked with top research institutions and leading tech companies, consistently pushing the boundaries of what is possible in the realm of invention. His innovative spirit and dedication to progress have earned him recognition as a trailblazer in the industry.

Collaborations: Throughout his career, Masahiro Usui has collaborated with renowned scientists, engineers, and inventors from around the world, fostering a culture of creativity and knowledge-sharing. His collaborative efforts have led to the development of cutting-edge technologies that have the potential to shape the future.

Conclusion: Masahiro Usui's passion for innovation, coupled with his technical expertise and collaborative mindset, continues to drive him towards new and exciting discoveries in the world of invention. His impact on the field is undeniable, and his legacy as a pioneering inventor is sure to inspire future generations of innovators.

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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