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Lonseal Corporation

USPTO Granted Patents = 20

EPO Patents = 1

Trademarks = 31

Forward Citations = 216

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37 inventors (with patents filed for the assignee):

Tatsuo Waki (5 out of 5 patents)

Nobuo Miura (4 out of 4 patents)

Yuichi Akiba (3 out of 3 patents)

4. Ryuzo Kawaguchi (3 out of 3 patents)

5. Akinori Arai (2 out of 2 patents)

6. Mitsuru Sugiyama (2 out of 2 patents)

7. Akira Sato (2 out of 3 patents)

8. Hisatsugu Tomioka (2 out of 2 patents)

9. Kazuo Suzuki (2 out of 2 patents)

10. Takeshi Watanabe (2 out of 44 patents)

11. Toshio Tsuchiya (1 out of 10 patents)

12. Hidetoshi Yamabe (1 out of 8 patents)

13. Taro Takahashi (1 out of 1 patent)

14. Tomohiro Ono (1 out of 1 patent)

15. Tomoko Terui (1 out of 1 patent)

20 patents: Sort by Forward Citations

1. 11930811 - Antiviral vinyl-chloride resin composition, antiviral sheet of vinyl-chloride resin, process for producing the same, interior decorative sheet, process for producing interior decorative sheet, interior decorative sheet of poly (vinyl chloride) resin, antiviral wallpaper, and process for producing antiviral wallpaper (2024-03-19),

2. 10053570 - Antiviral vinyl-chloride resin composition, antiviral sheet of vinyl-chloride resin, process for producing the same, interior decorative sheet, process for producing interior decorative sheet, interior decorative sheet of poly(vinyl chloride) resin, antiviral wallpaper, and process for producing antiviral wallpaper (2018-08-21),

3. 5750600 - Nonflammable olefin thermoplastic elastomer composition for use in skins (1998-05-12),

4. 4985104 - Method of manufacturing a vinyl chloride-coated metal sheet (1991-01-15),

5. D301405 - Synthetic resin cloth (1989-06-06),

6. D301088 - Synthetic resin cloth (1989-05-16),

7. D301087 - Synthetic resin cloth (1989-05-16),

8. 4800214 - Open cell body made of hard vinyl chloride resin (1989-01-24),

9. 4797426 - Hard polyvinyl chloride resin composition and open-cell foam made of (1989-01-10),

10. 4709783 - Apparatus for installing escape device for slowly lowering a body (1987-12-01),

11. 4673596 - Process for producing decorative sheet (1987-06-16),

12. 4655327 - Impeller type descent slowing device (1987-04-07),

13. 4430136 - Process for preparing open-cell structure of vinyl chloride resin (1984-02-07),

14. 4425442 - Process for producing open cell foam and foamable compound (1984-01-10),

15. 4381962 - Method for producing an open cell foam from a polyvinyl chloride resin (1983-05-03),

Company Overview

Lonseal Corporation is a prominent manufacturer specializing in high-quality resilient flooring solutions. Based in Tokyo, Japan, the company focuses on developing innovative products that cater to various sectors, including healthcare, education, and commercial spaces. Lonseal is recognized for its commitment to sustainability and design, offering a diverse range of flooring materials that combine functionality with aesthetic appeal. The organization emphasizes research and development to enhance product performance and meet evolving market needs.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

20 Patents

#1,343 in Tokyo

#2,945 in Japan

#31,295 in the World

Lonseal Corporation

Forward Citations = 216

37 inventors:

Tatsuo Waki (5 out of 5 patents)

Nobuo Miura (4 out of 4 patents)

Yuichi Akiba (3 out of 3 patents)

4. Ryuzo Kawaguchi (3 out of 3 patents)

5. Akinori Arai (2 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Lonseal Corporation. Retrieved from https://idiyas.com/company/lonseal

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

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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