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Tokyo Yogyo Kabushiki Kaisha

USPTO Granted Patents = 35

CIPO Patents = 3

EPO Patents = 2

Trademarks = 3

Forward Citations = 164

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61 inventors (with patents filed for the assignee):

Tetsuya Yoshihara (6 out of 6 patents)

Tsuyoshi Yoshida (4 out of 63 patents)

Keizo Aramaki (4 out of 4 patents)

4. Tsuyoshi Mizuno (3 out of 7 patents)

5. Hisao Inubushi (3 out of 4 patents)

6. Masamichi Sano (3 out of 4 patents)

7. Kunji Yamamoto (3 out of 4 patents)

8. Nobuo Miyagawa (3 out of 4 patents)

9. Tomohiro Yotabun (2 out of 2 patents)

10. Mioshi Sakamoto (2 out of 2 patents)

11. Noriyoshi Naruse (2 out of 2 patents)

12. Tamotsu Yajima (2 out of 3 patents)

13. Kunihiro Koide (2 out of 2 patents)

14. Susumu Ushigome (2 out of 2 patents)

15. Tetsuya Yoshihara (2 out of 2 patents)

35 patents: Sort by Forward Citations

1. 7322496 - Brick body for rotary nozzle (2008-01-29),

2. 7290685 - Nozzle plate for a sliding nozzle apparatus (2007-11-06),

3. D546849 - Sliding nozzle plate (2007-07-17),

4. 6872344 - Gas blowing plug and manufacturing method therefor (2005-03-29),

5. 6551550 - Gas blowing plug and manufacturing method therefor (2003-04-22),

6. 6026996 - Brick body for rotary nozzle and rotary nozzle using same (2000-02-22),

7. 5975382 - Continuous casting nozzle for casting molten steel (1999-11-02),

8. 5945063 - Bottom blown gas blowing apparatus for molten metal ladle (1999-08-31),

9. 5849245 - Well brick of vessel for molten metal (1998-12-15),

10. 5841042 - Brake lining material for heavy-load braking device (1998-11-24),

11. 5709807 - Flow rate adjusting for rotary nozzle type molten metal pouring unit (1998-01-20),

12. D386568 - Flow rate adjusting plate for a rotary nozzle type molten metal pouring (1997-11-18),

13. 5587101 - Gas injection nozzle for pouring liquid metal (1996-12-24),

14. D371825 - Flow rate adjusting plate for a rotary nozzle type molten metal pouring (1996-07-16),

15. 5445725 - Sensor probe for measuring hydrogen concentration in molten metal and (1995-08-29),

Tokyo Yogyo Kabushiki Kaisha is a Japanese company specializing in manufacturing and distributing consumer electronics and household appliances. Established in 1985, the company has been committed to providing high-quality products that enhance the daily lives of its customers. With a wide range of innovative products, Tokyo Yogyo strives to exceed customer expectations and improve the overall quality of life.

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

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USPTO Data Jan 1 1976 - Dec 9 2025

35 Patents

#867 in Tokyo

#2,074 in Japan

#18,580 in the World

Tokyo Yogyo Kabushiki Kaisha

Forward Citations = 164

61 inventors:

Tetsuya Yoshihara (6 out of 6 patents)

Tsuyoshi Yoshida (4 out of 63 patents)

Keizo Aramaki (4 out of 4 patents)

4. Tsuyoshi Mizuno (3 out of 7 patents)

5. Hisao Inubushi (3 out of 4 patents)

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