Kenji Nagaoka

This inventor holds 32 USPTO granted patents, primarily in Thermoplastic Resin Composition. Top assignees: Sumitomo Chemical Company, Limited, Mitsubishi Petrochemical Company Limited. Active years: 1977-1997.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kenji Nagaoka. Retrieved from https://idiyas.com/inventor/kenji-nagaoka

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

USPTO Granted Patents = 32

% Patents Active = 100.0

Average Co-Inventor Count = 3.2

ph-index = 11

Forward Citations = 364(Granted Patents)

Location History:

Niihama, JA (1977)
Hirakata, JP (1984 - 1988)
Osaka, JP (1989 - 1995)
Ichiara, JP (1995)
Chiba, JP (1992 - 1996)
Ichibara, JP (1996)
Ichihara, JP (1993 - 1997)

Company Filing History:

32 out of 6,961

Sumitomo Chemical Company, Limited

patents

2 out of 546

Mitsubishi Petrochemical Company Limited

patents

where one patent can have more than one assignee

Years Active: 1977-1997

Loading Chart...

Areas of Expertise:

Thermoplastic Compositions

Polyphenylene Ether

Resin Composition

Recycling Property

Blow-Molded Article

Polyolefin Resin

Thermal Resistance

Synthetic Resins

Aromatic Polyamide

Dyestuff Acceptor

Polyamide-Imide Resin

32 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5686539 - Thermoplastic compositions (1997-11-11),

2. 5635570 - Resin composition and process for producing the same (1997-06-03),

3. 5587427 - Resin composition and process for producing same (1996-12-24),

4. 5585437 - Thermoplastic resin compositions comprising polyphenylene ether resins (1996-12-17),

5. 5561199 - Resin composition (1996-10-01),

6. 5561186 - Resin composition having improved recycling property (1996-10-01),

7. 5554677 - Blow-molded article made from thermoplastic resin composition (1996-09-10),

8. 5523342 - Thermoplastic resin composition (1996-06-04),

9. 5506305 - Thermoplastic resin compositions comprising polyphenylene ether, (1996-04-09),

10. 5478878 - Thermoplastic composition (1995-12-26),

11. 5475054 - Resin composition comprising polyphenylene ether, polyolefin resin and (1995-12-12),

12. 5464891 - Thermoplastic resin composition (1995-11-07),

13. 5424360 - Thermoplastic resin composition (1995-06-13),

14. 5403888 - Thermoplastic resin compositions of polyphenylene ether, polyphenylene (1995-04-04),

15. 5352737 - Thermoplastic resin composition (1994-10-04),

Title: Kenji Nagaoka: Pioneering Inventor from Ichihara

Introduction: Kenji Nagaoka is a renowned inventor hailing from Ichihara, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Kenji Nagaoka holds several patents in various technological domains, showcasing his continuous dedication to pushing the boundaries of innovation.

Career Highlights: Throughout his illustrious career, Kenji Nagaoka has been instrumental in developing cutting-edge technologies that have revolutionized industries and improved the lives of many.

Collaborations: Kenji Nagaoka has collaborated with leading tech companies, research institutions, and universities worldwide, fostering a culture of innovation and knowledge sharing.

Conclusion: Kenji Nagaoka's passion for innovation and his relentless pursuit of technological advancement make him a true pioneer in the world of inventors.

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]