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Kyoritsu Yuki Co., Ltd.

USPTO Granted Patents = 13

Forward Citations = 334

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20 inventors (with patents filed for the assignee):

Hisao Takeda (4 out of 12 patents)

Mutsumi Kawano (4 out of 4 patents)

Katsutoshi Tanaka (4 out of 4 patents)

4. Shigeru Sawayama (2 out of 15 patents)

5. Atsuo Tago (2 out of 2 patents)

6. Isao Miyahara (2 out of 2 patents)

7. Susumu Matsumoto (1 out of 7 patents)

8. Tooru Miyajima (1 out of 1 patent)

9. Tohru Miyajima (1 out of 1 patent)

10. Ryoichi Yamanaka (1 out of 1 patent)

11. Takashi Nishikaji (1 out of 1 patent)

12. Kenzo Watanabe (1 out of 1 patent)

13. Kenzoh Watanabe (1 out of 1 patent)

14. Osamu Kamada (1 out of 1 patent)

15. Kazuo Ikeda (1 out of 1 patent)

13 patents: Sort by Forward Citations

1. 5070133 - High water-absorptive resin emulsion (1991-12-03),

2. 5045587 - Method of maintaining flowability of acrylic polymer dispersion (1991-09-03),

3. 5006590 - Process for the preparation of dispersion of water-soluble cationic (1991-04-09),

4. 4929655 - Process for production of water-soluble polymer dispersion (1990-05-29),

5. 4632984 - Process for the production of cationic starch (1986-12-30),

6. 4370464 - Cationic polymer flocculant (1983-01-25),

7. 4158726 - Process for preparing bead polymers (1979-06-19),

8. 4155847 - Cationic polymer flocculant prepared by reacting epichlorohydrin and a (1979-05-22),

9. 4154910 - Method for producing acrylamide polymers (1979-05-15),

10. 4146690 - Method of producing partially hydrolyzed acrylamide polymers (1979-03-27),

11. 4110520 - Modification of water-soluble acrylic polymer (1978-08-29),

12. 4105510 - Process for removing water from water soluble polymer (1978-08-08),

13. 4074041 - Process for preparing solid water soluble polymers (1978-02-14),

Kyoritsu Yuki Co., Ltd. is a leading manufacturer of industrial refrigeration equipment and systems. With over 50 years of experience in the industry, we specialize in providing high-quality, energy-efficient solutions for a wide range of applications. Our products are trusted by customers worldwide for their reliability, performance, and innovative design. Visit our website for more information on our products and services.

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

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USPTO Data Jan 1 1976 - Dec 30 2025

13 Patents

#151 in

#3,660 in Japan

#43,679 in the World

Kyoritsu Yuki Co., Ltd.

Forward Citations = 334

20 inventors:

Hisao Takeda (4 out of 12 patents)

Mutsumi Kawano (4 out of 4 patents)

Katsutoshi Tanaka (4 out of 4 patents)

4. Shigeru Sawayama (2 out of 15 patents)

5. Atsuo Tago (2 out of 2 patents)

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