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Tsukuba-shi, Japan

Canon Kasei Kabushiki Kaisha

USPTO Granted Patents = 35

EPO Patents = 4

Forward Citations = 196

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70 inventors (with patents filed for the assignee):

Hirobumi Takahashi (5 out of 15 patents)

Erika Umeki (5 out of 5 patents)

Taku Hatanaka (5 out of 6 patents)

4. Mitsuru Okuda (4 out of 11 patents)

5. Satoshi Fukuzawa (4 out of 5 patents)

6. Hiroshi Imasaka (4 out of 5 patents)

7. Hiroshi Abe (3 out of 134 patents)

8. Tomoya Kawakami (3 out of 6 patents)

9. Kazuaki Iwata (3 out of 3 patents)

10. Naohiko Nakano (3 out of 4 patents)

11. Shoji Inoue (3 out of 9 patents)

12. Tatsurou Yoshida (3 out of 6 patents)

13. Ayumi Okuda (3 out of 3 patents)

14. Toru Ishigaki (3 out of 5 patents)

15. Masaaki Takenaka (3 out of 3 patents)

35 patents: Sort by Forward Citations

1. 8594553 - Cleaning blade for electrophotographic apparatus, and method for producing the same (2013-11-26),

2. 8594552 - Blade for electrophotographic apparatus, and process for manufacturing the same (2013-11-26),

3. 8533953 - Process for producing conductive rubber roller, and roller for electrophotographic apparatus (2013-09-17),

4. 8160486 - Blade for electrophotographic apparatus, and method of producing the same (2012-04-17),

5. 8150300 - Method for manufacturing mold and blade for electrophotographic apparatus, and developer amount controlling blade (2012-04-03),

6. 8135328 - Cleaning blade (2012-03-13),

7. 8095050 - Developer level control blade and process for manufacturing developer level control blade (2012-01-10),

8. 8088876 - Copolymer, resin for electrophotographic functional component parts, developing roller, and electrophotographic apparatus (2012-01-03),

9. 8037607 - Process for producing conductive rubber roller, and roller for electrophotographic apparatus (2011-10-18),

10. 8036580 - Polyurethane foam toner supplying roller and method for manufacturing the same (2011-10-11),

11. 7976447 - Conductive rubber roller and transfer roller (2011-07-12),

12. 7881648 - Positive charge control resin for electrophotographic functional component parts, developing roller, and electrophotographic apparatus (2011-02-01),

13. 7778585 - Electrophotographic cleaning blade, process for producing electrophotographic cleaning blade, and electrophotographic apparatus (2010-08-17),

14. 7727135 - Conductive rubber roller (2010-06-01),

15. 7662329 - Centrifugal casting die, method for manufacturing thereof as well as casting material, blade obtained therefrom and method for manufacturing thereof (2010-02-16),

Canon Kasei Kabushiki Kaisha is a Japanese chemical company that specializes in the production of advanced materials for the electronics industry. With a focus on research and development, Canon Kasei Kabushiki Kaisha is known for its innovative products and solutions that help drive technological advancements in various industries.

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

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USPTO Data Jan 1 1976 - Dec 23 2025

35 Patents

#1 in Tsukuba-shi

#2,077 in Japan

#18,596 in the World

Tsukuba-shi, Japan

Canon Kasei Kabushiki Kaisha

Forward Citations = 196

70 inventors:

Hirobumi Takahashi (5 out of 15 patents)

Erika Umeki (5 out of 5 patents)

Taku Hatanaka (5 out of 6 patents)

4. Mitsuru Okuda (4 out of 11 patents)

5. Satoshi Fukuzawa (4 out of 5 patents)

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