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Shizuoka, Japan

Fuji Oozx Inc.

USPTO Granted Patents = 68

Trademarks = 1

Forward Citations = 312

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37 inventors (with patents filed for the assignee):

Akiyoshi Mori (13 out of 15 patents)

Nobuo Hara (13 out of 13 patents)

Tatsuo Kanzaki (10 out of 11 patents)

4. Hiroaki Asanuma (9 out of 9 patents)

5. Masahito Hirose (8 out of 8 patents)

6. Haruki Kobayashi (8 out of 8 patents)

7. Makoto Abe (7 out of 27 patents)

8. Kizuku Ohtsubo (7 out of 7 patents)

9. Akihiro Hamada (6 out of 6 patents)

10. Takeshi Sassa (5 out of 5 patents)

11. Takeji Kenmoku (5 out of 5 patents)

12. Shinichi Umino (5 out of 5 patents)

13. Satoshi Fukuoka (4 out of 5 patents)

14. Makoto Adegawa (3 out of 3 patents)

15. Toshimitsu Shida (3 out of 7 patents)

Core Competencies:

Hollow Engine Valve

Valve Spring Retainer

Friction Welding

Ti Alloy Poppet Valve

Internal Combustion Engine

Valve Position Detector

Electric Valve Drive Device

Wear Resistant Tappet

Aluminum Alloy Valve Spring

Exhaust Gas Control Device

Multi-Valve Engine

Surface Treatment

68 patents: Sort by Forward Citations

1. 11982212 - Hollow engine valve and production method thereof (2024-05-14),

2. 8899200 - Valve spring retainer for an internal combustion engine and a method of manufacturing the same (2014-12-02),

3. 6691910 - Method of joining different metal materials by friction welding (2004-02-17),

4. 6623568 - Ti alloy poppet valve and a method of manufacturing the same (2003-09-23),

5. 6619251 - Tappet for an internal combustion engine (2003-09-16),

6. 6592683 - Ti alloy surface treatment (2003-07-15),

7. 6564773 - Multi-valve engine (2003-05-20),

8. 6511045 - Ti alloy poppet valve and a method of manufacturing the same (2003-01-28),

9. 6382246 - Valve position detector (2002-05-07),

10. 6354001 - Method of manufacturing a Ti alloy poppet value (2002-03-12),

11. 6341588 - Valve spring retainer and a valve operating mechanism (2002-01-29),

12. 6338325 - Valve operating mechanism of an internal combustion engine (2002-01-15),

13. 6311661 - Valve spring retainer and a valve operating mechanism (2001-11-06),

14. 6295731 - Method of hardening a valve face of a poppet valve (2001-10-02),

15. 6293303 - Valve position detector (2001-09-25),

Fuji Oozx Inc. is a technology company specializing in innovative solutions for various industries. With a focus on research and development, we strive to deliver cutting-edge products and services to our global clients. Our team of skilled professionals is dedicated to providing high-quality solutions that enhance productivity and efficiency. Visit our website to learn more about our offerings and how we can support your business.

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

Company Badge

USPTO Data Jan 1 1976 - Jan 6 2026

68 Patents

#17 in Shizuoka

#1,400 in Japan

#10,601 in the World

Shizuoka, Japan

Fuji Oozx Inc.

Forward Citations = 312

37 inventors:

Akiyoshi Mori (13 out of 15 patents)

Nobuo Hara (13 out of 13 patents)

Tatsuo Kanzaki (10 out of 11 patents)

4. Hiroaki Asanuma (9 out of 9 patents)

5. Masahito Hirose (8 out of 8 patents)

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