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For the Inventor, By the Inventor

Yokosuka, Japan

Tadao Natsuume

This inventor holds 50 USPTO granted patents, plus 1 CIPO patent, primarily in Polymer Chemistry (CPC class 5262). Top assignee: Nippon Zeon Company, Ltd.. Active years: 1976-1999.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tadao Natsuume. Retrieved from https://idiyas.com/inventor/tadao-natsuume

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

USPTO Granted Patents = 50

% Patents Active = 100.0


Average Co-Inventor Count = 2.6

ph-index = 14

Forward Citations = 629(Granted Patents)

Forward Citations (Not Self Cited) = 612(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Kawasaki, JA (1976)
  • Yokosuka, JA (1977)
  • Tokyo, JP (1987 - 1990)
  • Yokoshuka, JP (1990)
  • Yokohama, JP (1991)
  • Kanagawa, JP (1996)
  • Yokosuka, JP (1978 - 1999)

Company Filing History:

goldMedal50 out of 598 
 
Nippon Zeon Company, Ltd.
 patents

Years Active: 1976-1999

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Areas of Expertise:
Hydrogenated Copolymer
Thermoplastic Materials
Optical Materials
Ring-Opening Polymerization
Molded Articles
Deodorant Composition
Hydraulic Composition
Polymer Composition
Resin Compositions
Alkylidenenorbornene Polymer
Thermoplastic Saturated Norbornene
Water-Soluble Copolymer
50 patents (USPTO):Explore Patents
1. 5885505 - Method for producing electronic part sealed body (1999-03-23),
2. 5725960 - Molded articles having hard coat layer and method for producing same (1998-03-10),
3. 5686156 - Press-through package (1997-11-11),
4. 5681900 - Hydrogenated norbornene ring-opening polymerization product, a process (1997-10-28),
5. 5665795 - Resin compositions and molded articles (1997-09-09),
6. 5599882 - Ring-opening polymer and a process for production thereof (1997-02-04),
7. 5580934 - Ring-opening hydrogenated copolymer and process for producing the same (1996-12-03),
8. 5561208 - Medical implement, polymer composition, and optical material (1996-10-01),
9. 5543948 - Thermoplastic saturated norbornene resin phase plate (1996-08-06),
10. 5539060 - Method for hydrogenation of metathesis polymers (1996-07-23),
11. 5468803 - Medical implement, polymer composition, and optical material (1995-11-21),
12. 5462995 - Hydrogenated products of thermoplastic norbornene polymers, their (1995-10-31),
13. 5437926 - Molded articles having hard coat layer (1995-08-01),
14. 5399646 - Alkylidenenorbornene polymer and process for producing the same (1995-03-21),
15. 5366812 - Thermoplastic materials and article made therefrom (1994-11-22),

Title: The Innovative Journey of Tadao Natsuume

Introduction:

Tadao Natsuume, a pioneering inventor hailing from Yokosuka, Japan, has made significant contributions to the world of technology through his groundbreaking innovations and patents.

Latest Patents:

Natsuume's latest patents focus on advancements in renewable energy technologies, particularly in the field of solar power generation and energy storage systems. His inventions aim to make sustainable energy more accessible and efficient for a greener future.

Career Highlights:

With a career spanning over two decades, Natsuume has established himself as a leading figure in the tech industry. He has worked for renowned companies, leading research institutions, and universities, where he has spearheaded numerous projects that have pushed the boundaries of innovation.

Collaborations:

Throughout his career, Natsuume has collaborated with top engineers, scientists, and researchers from around the globe. His ability to work in multidisciplinary teams has led to the successful development and commercialization of several cutting-edge technologies.

Conclusion:

In conclusion, Tadao Natsuume's relentless pursuit of innovation and his passion for creating a sustainable future have solidified his position as a visionary inventor. His work continues to inspire the next generation of inventors and researchers to push the limits of what is possible in the world of technology.

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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