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Forward Citations = 37

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10 inventors (with patents filed for the assignee):

Yoshihiro Suzuki (4 out of 4 patents)

Toshio Ogiwara (2 out of 2 patents)

Masaaki Kudo (2 out of 2 patents)

4. Morton S Gottlieb (2 out of 2 patents)

5. Toshiro Higuchi (1 out of 53 patents)

6. Shigeru Tanoue (1 out of 1 patent)

7. Yasuhiro Tsukamoto (1 out of 2 patents)

8. Hazime Izumi (1 out of 1 patent)

9. Minoru Tanaka (1 out of 1 patent)

10. Masaharu Hoshina (1 out of 1 patent)

9 patents: Sort by Forward Citations

1. 5901772 - Method for casting pistons (1999-05-11),

2. 5028493 - Aluminum alloy locally having a composite portion (1991-07-02),

3. 5022294 - Cutting apparatus for a noncircular cross section (1991-06-11),

4. 5013610 - Heat resisting member reinforced locally by an inorganic fiber and a (1991-05-07),

5. 4987867 - Piston for internal combustion engines (1991-01-29),

6. 4971003 - Piston of aluminum alloy for internal combustion engines (1990-11-20),

7. 4932285 - Non-rotating hub in steering wheel assembly (1990-06-12),

8. 4785194 - Multiple switch control system (1988-11-15),

9. 4737656 - Multiple switch control system (1988-04-12),

Izumi Industries, Ltd. is a leading Japanese company specializing in the design and manufacturing of high-quality precision tools and equipment for various industries. With over 50 years of experience, Izumi has established a strong reputation for innovation, reliability, and customer satisfaction. Their product range includes hydraulic tools, electric tools, and industrial robots, all designed to meet the highest standards of performance and durability.

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USPTO Data Jan 1 1976 - Dec 9 2025

9 Patents

#1 in Kawagoe

#4,573 in Japan

Kawagoe, Japan

Izumi Industries, Ltd.