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Chigasakishi, Japan

Seimi Chemical Co., Ltd.

USPTO Granted Patents = 38

EPO Patents = 2

Forward Citations = 293

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65 inventors (with patents filed for the assignee):

Manabu Suhara (17 out of 66 patents)

Naoshi Saito (12 out of 18 patents)

Megumi Uchida (6 out of 12 patents)

4. Kazushige Horichi (6 out of 10 patents)

5. Kazuo Sunahara (5 out of 28 patents)

6. Yukimitsu Wakasugi (4 out of 8 patents)

7. Takuya Mihara (4 out of 10 patents)

8. Osamu Yokokouji (4 out of 5 patents)

9. Katsutoshi Machida (4 out of 4 patents)

10. Koichiro Ueda (3 out of 4 patents)

11. Katsuyuki Tsugita (3 out of 4 patents)

12. Koji Tatsumi (3 out of 8 patents)

13. Sumihisa Yamaguchi (3 out of 3 patents)

14. Fumio Munakata (3 out of 18 patents)

15. Hidemasa Koh (3 out of 9 patents)

38 patents: Sort by Forward Citations

1. 8101143 - Process for producing lithium-containing composite oxide for positive electrode for lithium secondary battery (2012-01-24),

2. 7981547 - Process for positive electrode active substance for lithium secondary battery (2011-07-19),

3. 7854777 - Polishing compound, method for production thereof, and polishing method (2010-12-21),

4. 7824803 - Positive electrode active substance for lithium secondary battery and process for producing the same (2010-11-02),

5. 7785742 - Lithium-nickel-cobalt-manganese containing composite oxide (2010-08-31),

6. 7615315 - Positive electrode material for lithium secondary cell and process for producing the same (2009-11-10),

7. 7504180 - Positive electrode material for lithium secondary battery and process for producing the same (2009-03-17),

8. 7501209 - Process for producing a lithium-cobalt composite oxide for a positive electrode for a lithium secondary cell (2009-03-10),

9. 7481991 - Process for producing lithium-containing composite oxide for positive electrode for lithium secondary battery (2009-01-27),

10. 7429434 - Cathode active material powder for lithium secondary battery (2008-09-30),

11. 7384706 - Lithium-nickel-cobalt-maganese containing composite oxide, material for positive electrode active material for lithium secondary battery, and methods for producing these (2008-06-10),

12. 7381498 - Positive electrode active material powder for lithium secondary battery (2008-06-03),

13. 7378348 - Polishing compound for insulating film for semiconductor integrated circuit and method for producing semiconductor integrated circuit (2008-05-27),

14. 7368095 - Composite oxide for solid oxide fuel cell and method for preparation thereof (2008-05-06),

15. 7306779 - Lithium-cobalt composite oxide, process for its production, positive electrode for lithium secondary cell employing it, and lithium secondary cell (2007-12-11),

Seimi Chemical Co., Ltd. is a leading chemical manufacturing company specializing in the production of high-quality industrial chemicals. With years of experience and a strong commitment to innovation, we offer a wide range of chemical products for diverse industries including pharmaceuticals, electronics, agriculture, and more. Our team of skilled professionals works diligently to develop and deliver customized chemical solutions that meet the unique requirements of our customers. At Seimi Chemical, we prioritize quality, safety, and environmental sustainability in all our processes, ensuring the highest standards of product quality and customer satisfaction. Visit our website to learn more about our comprehensive range of chemical offerings and explore how we can fulfill your chemical needs.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

38 Patents

#1 in Chigasakishi

#1,982 in Japan

#17,311 in the World

Chigasakishi, Japan

Seimi Chemical Co., Ltd.

Forward Citations = 293

65 inventors:

Manabu Suhara (17 out of 66 patents)

Naoshi Saito (12 out of 18 patents)

Megumi Uchida (6 out of 12 patents)

4. Kazushige Horichi (6 out of 10 patents)

5. Kazuo Sunahara (5 out of 28 patents)

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