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Kanagawa, Japan

Nippon Furnace Kogyo Kaisha, Ltd.

USPTO Granted Patents = 21

CIPO Patents = 3

Forward Citations = 391

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39 inventors (with patents filed for the assignee):

Ryoichi Tanaka (8 out of 23 patents)

Masao Kawamoto (6 out of 7 patents)

Toshiaki Hasegawa (5 out of 44 patents)

4. Mamoru Matsuo (4 out of 16 patents)

5. Susumu Mochida (3 out of 5 patents)

6. Jun Sudo (3 out of 6 patents)

7. Kunio Yoshikawa (2 out of 4 patents)

8. Tsutomu Yasuda (2 out of 4 patents)

9. Takeshi Tada (2 out of 3 patents)

10. Yasuo Hirose (2 out of 10 patents)

11. Hitoshi Yahara (2 out of 5 patents)

12. Yoshiyuki Kasai (1 out of 40 patents)

13. Tomohiko Nishiyama (1 out of 11 patents)

14. Masayasu Nagoshi (1 out of 25 patents)

15. Masaru Sakai (1 out of 14 patents)

21 patents: Sort by Forward Citations

1. 7507368 - Hot air circulation furnace (2009-03-24),

2. 7104784 - Device and method for feeding fuel (2006-09-12),

3. 6951458 - Reactor combustion control method and reactor (2005-10-04),

4. 6880619 - HEAT TREATING PLANT, INSTALLATION METHOD FOR POROUS REGENERATIVE ELEMENT, PRODUCTION METHOD FOR HEAT TREATED SUBSTANCE, SELECTION METHOD FOR POROUS REGENERATIVE ELEMENT, AND SPENT POROUS REGENERATIVE ELEMENT COMPONENT MEMBER (2005-04-19),

5. 6837910 - Apparatus and method for gasifying liquid or solid fuel (2005-01-04),

6. 6488076 - Heating apparatus and heating method for supply of gaseous fluid (2002-12-03),

7. 5944504 - Combustion method of industrial combustion system (1999-08-31),

8. 5695002 - High-cycle regenerative heat exchanger (1997-12-09),

9. 5628629 - Industrial furnace and a burner for conducting regenerative combustion (1997-05-13),

10. 5516571 - Honeycomb-like regenerative bed element (1996-05-14),

11. 5441403 - Method of low-NOx combustion and burner device for effecting same (1995-08-15),

12. 5431147 - Burner device of regenerative and alternate combustion type (1995-07-11),

13. 5403181 - Method of low-NOx combustion and burner device for effecting same (1995-04-04),

14. 5367105 - Process and device for production of allyl chloride (1994-11-22),

15. 5314170 - Steel heating furnace (1994-05-24),

Nippon Furnace Kogyo Kaisha, Ltd. (NFKK) is a leading manufacturer of industrial furnaces and heat treatment equipment. With over 70 years of experience in the industry, NFKK offers a wide range of products and services to meet the demands of various industries, including automotive, aerospace, and electronics. The company is known for its innovative solutions, high-quality products, and exceptional customer service.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

21 Patents

#89 in Kanagawa

#2,798 in Japan

#29,031 in the World

Kanagawa, Japan

Nippon Furnace Kogyo Kaisha, Ltd.

Forward Citations = 391

39 inventors:

Ryoichi Tanaka (8 out of 23 patents)

Masao Kawamoto (6 out of 7 patents)

Toshiaki Hasegawa (5 out of 44 patents)

4. Mamoru Matsuo (4 out of 16 patents)

5. Susumu Mochida (3 out of 5 patents)

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