For the Inventor, By the Inventor

Enter assignee name

Nippon Crucible Co., Ltd.

USPTO Granted Patents = 23

CIPO Patents = 10

EPO Patents = 4

Trademarks = 9

Forward Citations = 180

Loading Chart...

Loading Chart...

56 inventors (with patents filed for the assignee):

Tamio Okada (6 out of 6 patents)

Tadao Sasaki (5 out of 15 patents)

Toshiaki Sano (3 out of 25 patents)

4. Toshiyuki Matsumoto (3 out of 3 patents)

5. Kunihiko Shiraishi (3 out of 3 patents)

6. Takuo Hosaka (3 out of 3 patents)

7. Tsuyoshi Kajitani (2 out of 2 patents)

8. Nobuyuki Oka (2 out of 3 patents)

9. Kenji Ogawa (2 out of 28 patents)

10. Hideaki Ohashi (2 out of 2 patents)

11. Katsuyoshi Mukai (2 out of 2 patents)

12. Bunji Ukaji (2 out of 2 patents)

13. Tomohiro Hatanaka (2 out of 2 patents)

14. Michio Matsuura (2 out of 2 patents)

15. Hideo Yoshikawa (2 out of 2 patents)

23 patents: Sort by Forward Citations

1. 11125503 - Melting furnace (2021-09-21),

2. 10767929 - Furnace (2020-09-08),

3. 8460601 - Vessel for molten metal (2013-06-11),

4. 8124006 - Ladle for molten metal delivery (2012-02-28),

5. D654520 - Crucible for melting (2012-02-21),

6. 7858022 - Crucible-type continuous melting furnace (2010-12-28),

7. 7481967 - Molten metal transporting container (2009-01-27),

8. 7354547 - Molten-metal transferring ladle and molten-metal tapping method (2008-04-08),

9. 6549558 - Melting and holding furnace for aluminum blocks (2003-04-15),

10. 6281266 - Tap hole blocking material for metal melting apparatus (2001-08-28),

11. 6245287 - Molten metal vessel and molten metal holding furnace (2001-06-12),

12. 5810907 - Continuous melting apparatus for low-melting point metal, improved (1998-09-22),

13. 5747400 - Method of drying lining refractory material for instrument/apparatus (1998-05-05),

14. 4442050 - Spray method applying monolithic refractory material (1984-04-10),

15. 4377413 - Refractory composition for flow casting (1983-03-22),

Nippon Crucible Co., Ltd. is a leading manufacturer of high-quality crucibles and refractory products. With over 50 years of experience in the industry, we offer a wide range of products for various applications such as metal melting, casting, and heat treatment. Our products are known for their durability, reliability, and excellent performance. We are committed to providing innovative solutions to meet the needs of our customers worldwide.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

23 Patents

#1,092 in Tokyo

#2,644 in Japan

#26,790 in the World

Nippon Crucible Co., Ltd.

Forward Citations = 180

56 inventors:

Tamio Okada (6 out of 6 patents)

Tadao Sasaki (5 out of 15 patents)

Toshiaki Sano (3 out of 25 patents)

4. Toshiyuki Matsumoto (3 out of 3 patents)

5. Kunihiko Shiraishi (3 out of 3 patents)

Please report any incorrect information to support@idiyas.com

Loading…