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Keisei Rose Nurseries, Inc.

USPTO Granted Patents = 45

Forward Citations = 213

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16 inventors (with patents filed for the assignee):

Shinya Miyano (23 out of 26 patents)

Kazunari Iwaki (18 out of 54 patents)

Takuro Ishihara (12 out of 32 patents)

4. Kiyoshi Miyazaki (8 out of 110 patents)

5. Shunsuke Takeuchi (8 out of 9 patents)

6. Hiroshi Hirabayashi (7 out of 7 patents)

7. Rieko Suwa (4 out of 4 patents)

8. Susumu Matsubara (4 out of 4 patents)

9. Kenichi Suzuki (3 out of 25 patents)

10. Shinzo Tsuda (3 out of 3 patents)

11. Ushio Sakazaki (2 out of 157 patents)

12. Yuji Tamura (2 out of 12 patents)

13. Yasuko Isobe (1 out of 35 patents)

14. Yukihiro Ikeda (1 out of 5 patents)

15. Takeshi Kanaya (1 out of 80 patents)

Core Competencies:

Hybrid Tea Rose

Antirrhinum Plant

Petunia Plant

Keipebbcmam

Keipemokohos

Keipehabham

Keipekumehus

Keishisutoki

Revolution Marrose

Revolution Violet

Revolution Pastelpink

Revolution Brilliantpink

45 patents: Sort by Forward Citations

1. PP37071 - plant named 'Keipebbcmam' (2025-10-28),

2. PP35999 - plant named 'Keipemokohos' (2024-07-09),

3. PP35250 - plant named 'Keipehabham' (2023-07-05),

4. PP35086 - plant named 'Keipekumehus' (2023-04-05),

5. PP25324 - plant named 'Keianpinetum' (2015-03-03),

6. PP25240 - plant named 'Keisurflipinas' (2015-01-20),

7. PP25147 - plant named 'Keisurfputem' (2014-12-02),

8. PP25122 - plant named 'Keisurfbripitos' (2014-11-25),

9. PP24453 - plant named 'Sunsurfsirou' (2014-05-13),

10. PP22839 - plant named 'Keisurfhopises' (2012-07-03),

11. PP22838 - plant named 'Keisurfpusos' (2012-07-03),

12. PP21199 - Rose plant named 'Keishisutoki' (2010-08-17),

13. PP19509 - Hybrid Tea Rose Plant named 'Keihaburu' (2008-12-02),

14. PP19091 - Antirrhinum plant named 'Keianmomorom' (2008-08-12),

15. PP19088 - Antirrhinum plant named 'Keianichigorum' (2008-08-12),

Keisei Rose Nurseries, Inc. is a leading supplier of high-quality rose plants to clients worldwide. With over 50 years of experience in the industry, we pride ourselves on our commitment to providing top-quality products and exceptional customer service. Our extensive collection of rose varieties caters to both commercial growers and home gardeners, ensuring that everyone can enjoy the beauty of these timeless flowers.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

45 Patents

#20 in Chiba

#1,789 in Japan

#14,961 in the World

Keisei Rose Nurseries, Inc.

Forward Citations = 213

16 inventors:

Shinya Miyano (23 out of 26 patents)

Kazunari Iwaki (18 out of 54 patents)

Takuro Ishihara (12 out of 32 patents)

4. Kiyoshi Miyazaki (8 out of 110 patents)

5. Shunsuke Takeuchi (8 out of 9 patents)

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