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Miyazaki, Japan

Asahi Yukizai Kogyo Co., Ltd.

USPTO Granted Patents = 23

CIPO Patents = 4

Trademarks = 1

Forward Citations = 327

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37 inventors (with patents filed for the assignee):

Ikuo Yokoyama (5 out of 5 patents)

Kazuhiko Tsuno (5 out of 5 patents)

Katsuhiro Onishi (3 out of 3 patents)

4. Hirotoshi Ogawa (3 out of 4 patents)

5. Nichiro Sano (3 out of 3 patents)

6. Kazuo Tamemoto (2 out of 2 patents)

7. Yoshito Ozaki (2 out of 2 patents)

8. Tomoyuki Ueda (2 out of 6 patents)

9. Youichi Ninomiya (2 out of 2 patents)

10. Isao Kai (2 out of 5 patents)

11. Takayuki Oda (1 out of 5 patents)

12. Toshihiro Hanada (1 out of 15 patents)

13. Atsushi Iguchi (1 out of 7 patents)

14. Akihiro Maruyama (1 out of 2 patents)

15. Takumi Ishiwaka (1 out of 9 patents)

23 patents: Sort by Forward Citations

1. 5553831 - Ball valve (1996-09-10),

2. D372073 - Ball valve (1996-07-23),

3. D370054 - Diaphragm valve (1996-05-21),

4. 5476118 - Non-stagnant piping system (1995-12-19),

5. 5466916 - Method and apparatus for joint resin pipes using high-frequency electric (1995-11-14),

6. 5312085 - Control valve (1994-05-17),

7. 5181539 - Ball valve (1993-01-26),

8. 5177140 - Material for mold and process of forming mold by using this material (1993-01-05),

9. 5174332 - Constant flow valve (1992-12-29),

10. 5137931 - Foamable phenolic resin composition and process for preparation thereof (1992-08-11),

11. 5104581 - Tray for integrated circuit (1992-04-14),

12. 4791956 - Constant flow valve (1988-12-20),

13. 4676479 - Flanged valve (1987-06-30),

14. 4676268 - Plastic gate valve (1987-06-30),

15. 4616804 - Gate valve (1986-10-14),

Asahi Yukizai Kogyo Co., Ltd. is a Japanese company that specializes in the manufacture and sale of piping materials, industrial materials, and building materials. They provide high-quality products and solutions for various industries including construction, water supply, and infrastructure. With over 70 years of experience, Asahi Yukizai Kogyo Co., Ltd. is committed to innovation and sustainability in all aspects of their business.

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

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USPTO Data Jan 1 1976 - Dec 9 2025

23 Patents

#4 in Miyazaki

#2,644 in Japan

#26,790 in the World

Miyazaki, Japan

Asahi Yukizai Kogyo Co., Ltd.

Forward Citations = 327

37 inventors:

Ikuo Yokoyama (5 out of 5 patents)

Kazuhiko Tsuno (5 out of 5 patents)

Katsuhiro Onishi (3 out of 3 patents)

4. Hirotoshi Ogawa (3 out of 4 patents)

5. Nichiro Sano (3 out of 3 patents)

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