logo

For the Inventor, By the Inventor

Ashiya, Japan

Fumio Oi

This inventor holds 9 USPTO granted patents. Top assignee: Sumitomo Chemical Company, Limited. Active years: 1989-1999.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Fumio Oi. Retrieved from https://idiyas.com/inventor/fumio-oi

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

USPTO Granted Patents = 9

% Patents Active = 100.0

Average Co-Inventor Count = 5.6

ph-index = 6

Forward Citations = 92(Granted Patents)


Location History:

  • Hyogo, JP (1992)
  • Ashiya, JP (1989 - 1999)

Company Filing History:

goldMedal9 out of 6,964 
 
Sumitomo Chemical Company, Limited
 patents

Years Active: 1989-1999

Loading Chart...
9 patents (USPTO):Explore Patents
1. 5861229 - Radiation-sensitive positive resist composition comprising a 1,2-quinone (1999-01-19),
2. 5456996 - Radiation-sensitive positive resist composition (1995-10-10),
3. 5456995 - Radiation-sensitive positive resist composition (1995-10-10),
4. 5378586 - Resist composition comprising a quinone diazide sulfonic diester and a (1995-01-03),
5. 5290656 - Resist composition, novel phenol compound and quinone diazide sulfonic (1994-03-01),
6. 5124228 - Positive photoresist composition containing alkali-soluble resin and (1992-06-23),
7. 5080997 - Process for preparing a positive resist composition by mixing the (1992-01-14),
8. 5059507 - Positive resist composition containing quinone diazide sulfonic acid (1991-10-22),
9. 4812551 - Novolak resin for positive photoresist (1989-03-14),

Title: The Innovative Journey of Fumio Oi

Introduction: Fumio Oi, a distinguished inventor hailing from Ashiya, Japan, has made significant contributions to the world of technology through his groundbreaking innovations.

Latest Patents: Fumio Oi's latest patents focus on advancements in renewable energy technologies, particularly in the field of solar power efficiency and storage solutions.

Career Highlights: With a career spanning over two decades, Fumio Oi has established himself as a pioneer in the development of eco-friendly technologies. His work has been recognized globally for its impact on sustainability and clean energy initiatives.

Collaborations: Throughout his career, Fumio Oi has collaborated with leading research institutions and universities to further his research in the renewable energy sector. His partnerships have led to the successful implementation of innovative solutions in the field.

Conclusion: Fumio Oi's dedication to creating a more sustainable future through his inventive spirit and collaborative efforts solidifies his legacy as a visionary in the realm of technological innovation.

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]
Loading…