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For the Inventor, By the Inventor

Niihama, Japan

Masahisa Okawa

This inventor holds 11 USPTO granted patents. Top assignee: Sumitomo Chemical Company, Limited. Active years: 1979-1991.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masahisa Okawa. Retrieved from https://idiyas.com/inventor/masahisa-okawa

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

USPTO Granted Patents = 11

% Patents Active = 100.0

Average Co-Inventor Count = 5.4

ph-index = 5

Forward Citations = 66(Granted Patents)


Location History:

  • Niihama, JP (1979 - 1982)
  • Ehime, JP (1988)
  • Hirakata, JP (1984 - 1991)

Company Filing History:

goldMedal11 out of 6,961 
 
Sumitomo Chemical Company, Limited
 patents

Years Active: 1979-1991

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11 patents (USPTO):Explore Patents
1. 5026889 - Catalyst system for olefin polymerization and method for production of (1991-06-25),
2. 4748210 - Vinyl chloride-grafted ethylene copolymer and process for producing same (1988-05-31),
3. 4485035 - Process for producing highly stereoregular .alpha.-olefin polymers (1984-11-27),
4. 4364851 - Process for producing olefin polymers (1982-12-21),
5. 4304892 - Olefin polymerization catalyst (1981-12-08),
6. 4279776 - Catalyst system (1981-07-21),
7. 4246135 - Olefin polymerization catalyst (1981-01-20),
8. 4243786 - Catalysts for the polymerization of olefins (1981-01-06),
9. 4235984 - Process for producing highly stereoregular .alpha.-olefin polymers (1980-11-25),
10. 4183824 - Catalysts for the polymerization of olefins (1980-01-15),
11. 4165298 - Catalysts for the polymerization of olefins (1979-08-21),

Title: Masahisa Okawa - Pioneering Inventor from Niihama, Japan

Introduction: Masahisa Okawa is a renowned inventor hailing from Niihama, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Masahisa Okawa holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his continuous dedication to pushing the boundaries of technological advancement.

Career Highlights: Throughout his illustrious career, Masahisa Okawa has worked with leading tech companies to develop cutting-edge solutions that have revolutionized various industries. His innovative spirit and passion for creating impactful inventions have earned him recognition on a global scale.

Collaborations: Masahisa Okawa has collaborated with top researchers, engineers, and scientists from around the world, fostering a culture of innovation and knowledge sharing. His collaborative efforts have led to the development of transformative technologies that have shaped the future of innovation.

Conclusion: Masahisa Okawa's relentless pursuit of innovation and his remarkable contributions to the world of technology have solidified his legacy as a pioneering inventor. His visionary ideas and inventive spirit continue to inspire generations of innovators worldwide.

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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