EPO Patents = 3

Forward Citations = 19

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10 inventors (with patents filed for the assignee):

Hirokazu Morii (3 out of 16 patents)

Kenichiro Hirao (3 out of 6 patents)

Hidenobu Nishio (2 out of 2 patents)

4. Hyoji Yoshimura (2 out of 10 patents)

5. Katsumi Nakamura (1 out of 86 patents)

6. Takahiro Karita (1 out of 1 patent)

7. Yasushi Maeda (1 out of 4 patents)

8. Takashi Mishima (1 out of 1 patent)

9. Hiroyuki Tsuchiyama (1 out of 1 patent)

10. Satsoshi Narimatsu (1 out of 1 patent)

11. Satoshi Narimatsu (0 patent)

12. Yoshimura Hyoji (0 patent)

6 patents: Sort by Forward Citations

1. 11215091 - Hollow engine valve and manufacturing method therefor (2022-01-04),

2. 10677110 - Method and device for manufacturing metallic-sodium-filled engine valve (2020-06-09),

3. 10526933 - Hollow engine valve and manufacturing method therefor (2020-01-07),

4. 9757826 - Method of charging a hollow valve with metallic sodium (2017-09-12),

5. 9447711 - Method for production of valve head portion of hollow engine valve and hollow engine valve (2016-09-20),

6. 9427795 - Method for producing a hollow engine valve (2016-08-30),

Fuji Hollow Valve Inc. is a leading manufacturer of high-quality valves for industrial applications. With over 50 years of experience, the company is known for its innovative design, superior performance, and reliable products. Fuji Hollow Valve Inc. serves a wide range of industries including oil and gas, petrochemical, power generation, and more. Their commitment to excellence and customer satisfaction sets them apart in the industry.

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

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USPTO Data Jan 1 1976 - Dec 30 2025

6 Patents

#2 in Kikugawa

#5,843 in Japan

Kikugawa, Japan

Fuji Hollow Valve Inc.