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Riken Vinyl Industry Co., Ltd

USPTO Granted Patents = 15

Trademarks = 2

Forward Citations = 186

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24 inventors (with patents filed for the assignee):

Michihisa Tasaka (5 out of 19 patents)

Toshio Ito (3 out of 35 patents)

Hiroshi Shimizu (2 out of 69 patents)

4. Yasuyuki Mizuno (2 out of 20 patents)

5. Motohiro Shimizu (2 out of 11 patents)

6. Hiromasa Sanada (2 out of 3 patents)

7. Yasushi Tokunaga (2 out of 3 patents)

8. Hiroshi Waki (2 out of 4 patents)

9. Isamu Ichizuka (2 out of 3 patents)

10. Kouzi Hara (2 out of 2 patents)

11. Shuitsu Takahashi (2 out of 2 patents)

12. Shinji Kobe (2 out of 3 patents)

13. Tadayuki Sakurada (2 out of 2 patents)

14. Yoshitaka Okouchi (2 out of 2 patents)

15. Ken Ohkubo (2 out of 2 patents)

15 patents: Sort by Forward Citations

1. 6566447 - Resin composition and resin sheet (2003-05-20),

2. 6458893 - Thermoplastic resin composition (2002-10-01),

3. 6433062 - Thermoplastic elastomeric resin composition and a process for the preparation thereof (2002-08-13),

4. 6364992 - Decorative sheet and process for producing the same (2002-04-02),

5. 6183842 - Decorative laminated sheet (2001-02-06),

6. 6048933 - Thermoplastic elastomeric resin composition and a process for the (2000-04-11),

7. 6037395 - Conductive resin composition (2000-03-14),

8. 5936037 - Thermoplastic elastomeric resin composition and a process for the (1999-08-10),

9. 5929165 - Thermoplastic elastomeric resin composition and a process for the (1999-07-27),

10. 5637171 - Method of preparing polyvinyl chloride sheets for membrane press forming (1997-06-10),

11. 5492589 - Decorative laminated sheet having a feeling of coating and a process for (1996-02-20),

12. 5476718 - Compound water-sealing sealant (1995-12-19),

13. 5444128 - Water-sealing sheet (1995-08-22),

14. 5413840 - Decorative laminated sheet having a feeling of coating and a process for (1995-05-09),

15. 5302650 - Vinyl chloride resin composition (1994-04-12),

Riken Vinyl Industry Co., Ltd is a leading manufacturer and supplier of high-quality vinyl materials. With over 50 years of experience in the industry, we specialize in producing a wide range of vinyl products for various applications including automotive, construction, and industrial sectors. Our commitment to innovation and quality has made us a trusted partner for customers worldwide.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Jan 6 2026

15 Patents

#1,342 in Tokyo

#3,367 in Japan

#38,742 in the World

Riken Vinyl Industry Co., Ltd

Forward Citations = 186

24 inventors:

Michihisa Tasaka (5 out of 19 patents)

Toshio Ito (3 out of 35 patents)

Hiroshi Shimizu (2 out of 69 patents)

4. Yasuyuki Mizuno (2 out of 20 patents)

5. Motohiro Shimizu (2 out of 11 patents)

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