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Shinwa Sangyo Company, Ltd.

USPTO Granted Patents = 11

Forward Citations = 198

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13 inventors (with patents filed for the assignee):

Jujiro Komiya (4 out of 4 patents)

Tadanobu Muto (4 out of 4 patents)

Mikio Nakaoka (3 out of 4 patents)

4. Ken Kashiwada (3 out of 3 patents)

5. Tetsuo Sasaki (3 out of 3 patents)

6. Fumio Nagatani (3 out of 3 patents)

7. Hiroyuki Nishimura (3 out of 9 patents)

8. Akio Nakashiba (3 out of 8 patents)

9. Kazunori Mito (3 out of 5 patents)

10. Toshio Shibabuchi (3 out of 4 patents)

11. Osamu Kawamura (1 out of 3 patents)

12. Katsuaki Suzuki (1 out of 1 patent)

13. Yuji Kikuchi (1 out of 1 patent)

11 patents: Sort by Forward Citations

1. 5375889 - Electrofusion joint and hot water supply header using the same (1994-12-27),

2. 5366253 - Electrofusion joint and hot water supply header using the same (1994-11-22),

3. 5150922 - Electrofusion joint and hot water supply header using the same (1992-09-29),

4. 5107951 - Device for driving four wheels of car at all times (1992-04-28),

5. 4997031 - Heat exchanger for cooling tower (1991-03-05),

6. 4964977 - Cross-flow type cooling tower (1990-10-23),

7. 4901792 - Pipe element for a heat exchanger and a heat exchanger with the pipe (1990-02-20),

8. 4893669 - Synthetic resin heat exchanger unit used for cooling tower and cooling (1990-01-16),

9. 4874035 - Heat exchanger for cooling tower (1989-10-17),

10. 4804503 - Counter-flow square type cooling tower (1989-02-14),

11. 4655977 - Closed type heat exchanger for an evaporation type cooling tower (1987-04-07),

Shinwa Sangyo Company, Ltd. is a leading provider of industrial chemicals and materials in Japan. With a history dating back to 1950, the company has established a strong reputation for supplying high-quality products and services to a wide range of industries. Shinwa Sangyo is committed to innovation, sustainability, and customer satisfaction, making them a preferred partner for businesses in Japan and beyond.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

11 Patents

#1,591 in Tokyo

#4,039 in Japan

#50,159 in the World

Shinwa Sangyo Company, Ltd.

Forward Citations = 198

13 inventors:

Jujiro Komiya (4 out of 4 patents)

Tadanobu Muto (4 out of 4 patents)

Mikio Nakaoka (3 out of 4 patents)

4. Ken Kashiwada (3 out of 3 patents)

5. Tetsuo Sasaki (3 out of 3 patents)

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