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Forward Citations = 295

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6 inventors (with patents filed for the assignee):

Kashichi Hirota (20 out of 24 patents)

Junji Fukuda (6 out of 8 patents)

Makoto Kaneda (6 out of 6 patents)

4. Susumu Seto (1 out of 6 patents)

5. Yoshiaki Masumura (1 out of 1 patent)

6. Aijiro Okuzumi (1 out of 1 patent)

21 patents: Sort by Forward Citations

1. 6976803 - Stationary board for blocking lights of oncoming vehicles in medial strip and facilitating nighttime identification of medial strip (2005-12-20),

2. 6858165 - Method of manufacturing plastic thin-plate article with protrusions on surface thereof (2005-02-22),

3. 6599566 - Ornamental parts and manufacturing method thereof (2003-07-29),

4. 6457597 - Beverage can cap and straw (2002-10-01),

5. 6450401 - Writing board with electronic calculator (2002-09-17),

6. 6427928 - Straw with plug (2002-08-06),

7. 6416329 - Writing device for practice in writing characters (2002-07-09),

8. 6375019 - Straw with plug (2002-04-23),

9. 6315573 - Article placing table with an erasable writing device (2001-11-13),

10. 6253468 - Spike structure for sporting shoes (2001-07-03),

11. 6243215 - Image magnifying Fresnel lens for observation of a on display screen (2001-06-05),

12. D422978 - Cabinet for an electronic display device (2000-04-18),

13. 5761788 - Method for making a magnetic head drum for a magnetic recording apparatus (1998-06-09),

14. 5731044 - Process and apparatus for coating display CRT tube for electronic device (1998-03-24),

15. 5294385 - Method of forming thick-walled front cabinet for image display device (1994-03-15),

Kyowa Electric and Chemical Co., Ltd. is a leading manufacturer of electrical insulation materials, fine chemicals, and advanced materials. With over 60 years of experience, the company has built a reputation for delivering high-quality products and innovative solutions to customers worldwide. Kyowa Electric and Chemical Co., Ltd. is committed to sustainability and environmental responsibility, striving to create a better future through its products and operations.

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Company Badge

USPTO Data Jan 1 1976 - Dec 16 2025

21 Patents

#1,140 in Tokyo

#2,799 in Japan

#29,048 in the World

Tokyo, Japan

Kyowa Electric and Chemical Co., Ltd.