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Seed Company Limited

USPTO Granted Patents = 34

EPO Patents = 35

Trademarks = 1

Forward Citations = 131

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64 inventors (with patents filed for the assignee):

Shigeru Tamai (12 out of 24 patents)

Takao Sato (9 out of 71 patents)

Yoshiko Yamazaki (7 out of 7 patents)

4. Yuji Koyama (7 out of 8 patents)

5. Toru Matsunaga (6 out of 6 patents)

6. Kenji Uno (4 out of 4 patents)

7. Masatoshi Shintani (4 out of 13 patents)

8. Kouhei Koyama (4 out of 15 patents)

9. Kazuki Morimoto (3 out of 3 patents)

10. Yasuhiro Nishioka (3 out of 3 patents)

11. Tsutomu Fukushima (3 out of 9 patents)

12. Akira Nakamura (1 out of 104 patents)

13. Masataka Nakamura (1 out of 62 patents)

14. Rumiko Kitagawa (1 out of 19 patents)

15. Kazunori Kobayashi (1 out of 55 patents)

34 patents: Sort by Forward Citations

1. 12349865 - Endoscope hood (2025-07-08),

2. 12178938 - UV absorbing ocular lens (2024-12-31),

3. 12161652 - Anionic drug-containing ophthalmic device (2024-12-10),

4. 11439146 - Anti-Acanthamoeba contact lens solution (2022-09-13),

5. 11292762 - Polymer including polymerizable triptycene derivative compound as component (2022-04-05),

6. 11203567 - Polymerizable triptycene derivative compound, and polymer compound including same as constituent component (2021-12-21),

7. 11119338 - Soft contact lens and method for suppressing attachment of soft contact lens onto cornea (2021-09-14),

8. 10669226 - Polymerizable triptycene derivative compound (2020-06-02),

9. 10668157 - Anionic drug-containing medical device (2020-06-02),

10. 10642069 - Production method of unhydrated ophthalmic lens and unhydrated ophthalmic lens (2020-05-05),

11. 10159642 - Functional polymer gel containing organic nanotubes and method for producing same (2018-12-25),

12. 9921419 - Annular device (2018-03-20),

13. 9486362 - Ring-shaped device (2016-11-08),

14. 9329408 - Wettable hydrogel contact lens and method for producing same (2016-05-03),

15. 9127404 - Used paper recycling apparatus and its constituent devices (2015-09-08),

SEED COMPANY LIMITED is a leading agricultural technology company. We specialize in producing high-quality seeds for various crops. Our innovative approach and advanced research facilities enable us to develop seeds that are resistant to pests, diseases, and adverse weather conditions. We are committed to contributing to the global food security by providing farmers with reliable and productive seed solutions. Visit our website to learn more about our products and services.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

34 Patents

#200 in Osaka

#2,118 in Japan

#19,056 in the World

Seed Company Limited

Forward Citations = 131

64 inventors:

Shigeru Tamai (12 out of 24 patents)

Takao Sato (9 out of 71 patents)

Yoshiko Yamazaki (7 out of 7 patents)

4. Yuji Koyama (7 out of 8 patents)

5. Toru Matsunaga (6 out of 6 patents)

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