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For the Inventor, By the Inventor

Tokyo, Japan

Shunichi Samejima

This inventor holds 17 USPTO granted patents, plus 4 CIPO patents, primarily in Fluorinated Compounds. Top assignee: Asahi Glass Company, Limited. Active years: 1978-2002.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shunichi Samejima. Retrieved from https://idiyas.com/inventor/shunichi-samejima

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

Calculating rank
USPTO Granted Patents = 17

% Patents Active = 100.0

 

Average Co-Inventor Count = 4.1

ph-index = 9

Forward Citations = 388(Granted Patents)


Location History:

  • Tokyo, JA (1978)
  • Tokyo, JP (1978 - 2002)

Company Filing History:

goldMedal17 out of 2,560 
 
Asahi Glass Company, Limited
 patents

Years Active: 1978-2002

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Areas of Expertise:
Fluorinated Compounds
Cyclic Polymerization
Halogenated Hydrocarbon
Azeotropic Mixture
Perfluoroacrylic Acid
Dichloropentafluoropropane
Difluoropropane
Fluorinated Vinyl Ether
Hydrochlorofluorocarbon
Fluoro Compound
Perfluorolactone
Substrate Treatment
17 patents (USPTO):Explore Patents
1. 6407493 - Vacuum envelope for a display device (2002-06-18),
2. 5672785 - Process for producing 1,1-dichloro-12,2,2-tetrafluoroethane (1997-09-30),
3. 5607912 - Hydrochlorofluorocarbon azeotropic or azeotropic-like mixture (1997-03-04),
4. 5545777 - Process for producing a hydrogen-containing 2,2-difluoropropane (1996-08-13),
5. 5426253 - Process for producing 1,1,1,2-tetrafluoroethane (1995-06-20),
6. 5320683 - Azeotropic or azeotropic-like composition of hydrochlorofluoropropane (1994-06-14),
7. 5302313 - Halogenated hydrocarbon solvents (1994-04-12),
8. 5271775 - Methods for treating substrates by applying a halogenated hydrocarbon (1993-12-21),
9. 5264639 - Process for producing a 2,2-difluoropropane (1993-11-23),
10. 5116426 - Method of cleaning a substrate using a dichloropentafluoropropane (1992-05-26),
11. 4910276 - Cyclic polymerization (1990-03-20),
12. 4897457 - Novel fluorine-containing cyclic polymer (1990-01-30),
13. 4581472 - Process for preparing a perfluoroacrylic acid ester (1986-04-08),
14. 4362672 - Process for producing difluorohaloacetyl fluoride (1982-12-07),
15. 4153804 - Process for producing fluorinated vinyl ether having ester group (1979-05-08),

Title: The Innovative Journey of Shunichi Samejima

Introduction: Shunichi Samejima is a renowned inventor hailing from Tokyo, Japan, known for his groundbreaking contributions to various technological fields.

Latest Patents: Samejima holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his continuous commitment to innovation.

Career Highlights: With a career spanning over two decades, Samejima has worked with leading research institutions and tech companies, spearheading projects that have revolutionized the industry.

Collaborations: Samejima has collaborated with top universities and multinational corporations, fostering a culture of innovation and knowledge-sharing within the scientific community.

Conclusion: Shunichi Samejima's dedication to pushing the boundaries of technology and his collaborative spirit make him a true pioneer in the world of inventions.

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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