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Kyowa Gas Chemical Industry Company, Ltd.

USPTO Granted Patents = 18

Trademarks = 1

Forward Citations = 176

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35 inventors (with patents filed for the assignee):

Hirozo Segawa (5 out of 8 patents)

Haruo Nagai (4 out of 4 patents)

Morimasa Kuragano (3 out of 6 patents)

4. Kozo Iwasaki (3 out of 4 patents)

5. Katsuji Yoguchi (3 out of 5 patents)

6. Hiroshi Uehara (3 out of 3 patents)

7. Akira Nakamura (2 out of 12 patents)

8. Tetsuo Takematsu (2 out of 61 patents)

9. Yoshio Koyama (2 out of 2 patents)

10. Takeshi Isobe (2 out of 4 patents)

11. Kozo Nakao (2 out of 2 patents)

12. Susumu Hirokawa (2 out of 2 patents)

13. Minoru Koshibe (2 out of 4 patents)

14. Akihiro Mochizuki (2 out of 4 patents)

15. Syuzi Isoi (2 out of 2 patents)

18 patents: Sort by Forward Citations

1. 5006415 - Molded article of methacrylic resin (1991-04-09),

2. 4990319 - Process for producing ammonia and sulfur dioxide (1991-02-05),

3. 4987252 - Quenching process of reaction product gas containing methacrylic acid (1991-01-22),

4. 4968846 - Method for the prevention of post oxidation of methacrolein (1990-11-06),

5. 4947847 - Electrically conductive adhesive (1990-08-14),

6. 4879412 - Purification process of methacrylic acid (1989-11-07),

7. 4842768 - Electrically conductive adhesive (1989-06-27),

8. 4830803 - Method of making a molded article of methacrylic resin (1989-05-16),

9. 4791184 - Methacrylic resin molding material and method for production thereof (1988-12-13),

10. 4504616 - Neodymium-containing transparent resin and method for manufacture thereof (1985-03-12),

11. 4495084 - Plastic scintillator (1985-01-22),

12. 4460403 - 2,3-Dicyano 6 phenyl pyrazine herbicides (1984-07-17),

13. 4275174 - Neutron shielding polymer composition and a process for producing the (1981-06-23),

14. 4259489 - 2,3-Dicyanopyrazines (1981-03-31),

15. 4182821 - Method for producing a lead containing monomer composition and a (1980-01-08),

Kyowa Gas Chemical Industry Company, Ltd. is a leading manufacturer of industrial gases and chemicals. With a strong focus on research and development, the company provides a wide range of high-quality products and solutions to various industries worldwide. Kyowa Gas Chemical Industry Company, Ltd. is committed to innovation, sustainability, and customer satisfaction.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 2 2025

18 Patents

#1,227 in Tokyo

#3,052 in Japan

#33,129 in the World

Kyowa Gas Chemical Industry Company, Ltd.

Forward Citations = 176

35 inventors:

Hirozo Segawa (5 out of 8 patents)

Haruo Nagai (4 out of 4 patents)

Morimasa Kuragano (3 out of 6 patents)

4. Kozo Iwasaki (3 out of 4 patents)

5. Katsuji Yoguchi (3 out of 5 patents)

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