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Sumitomo Bayer Urethane Co., Ltd.

USPTO Granted Patents = 8

Forward Citations = 33

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22 inventors (with patents filed for the assignee):

Toshiaki Imokawa (3 out of 4 patents)

Masaru Honda (2 out of 7 patents)

Hiroshi Ikuta (1 out of 4 patents)

4. Kanemitsu Kondo (1 out of 5 patents)

5. Yuji Hoshino (1 out of 3 patents)

6. Shinichi Murakami (1 out of 1 patent)

7. Hideaki Nagayasu (1 out of 1 patent)

8. Masato Shimizu (1 out of 1 patent)

9. Toshiaki Nakano (1 out of 1 patent)

10. Martin Brock (1 out of 1 patent)

11. Mitsuaki Ikebe (1 out of 1 patent)

12. Teruo Hama (1 out of 1 patent)

13. Takaaki Masuda (1 out of 1 patent)

14. Hisao Mitobe (1 out of 1 patent)

15. Yushin Kataoka (1 out of 1 patent)

8 patents: Sort by Forward Citations

1. 5906998 - Method for decomposing polymer containing urethane linkage and/or (1999-05-25),

2. 5786400 - Process for the production of a rigid polyurethane foam and a (1998-07-28),

3. 5359129 - Method for preventing coloration of diphenylmethane diisocyanate compound (1994-10-25),

4. 5258548 - Method for preventing coloration of aromatic isocyanate compounds (1993-11-02),

5. 5096956 - Low-viscosity polyol composition containing potassium titanate needle (1992-03-17),

6. 4853417 - Process for manufacturing rigid polyurethane foam (1989-08-01),

7. 4686145 - Magnetic recording medium, a process for preparing a magnetic recording (1987-08-11),

8. 4065362 - Purification of organic isocyanates (1977-12-27),

Sumitomo Bayer Urethane Co., Ltd. is a leading manufacturer of high-quality urethane products for a variety of industries. With a focus on innovation and quality, they provide custom solutions for clients' molding needs. Their products are trusted for their durability and performance, making them a preferred choice for businesses worldwide.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 2 2025

8 Patents

#79 in Hyogo

#4,914 in Japan

Sumitomo Bayer Urethane Co., Ltd.

Forward Citations = 33

22 inventors:

Toshiaki Imokawa (3 out of 4 patents)

Masaru Honda (2 out of 7 patents)

Hiroshi Ikuta (1 out of 4 patents)

4. Kanemitsu Kondo (1 out of 5 patents)

5. Yuji Hoshino (1 out of 3 patents)

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