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Kabushiki Kaisha Showa Seisakusho

USPTO Granted Patents = 31

Forward Citations = 548

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45 inventors (with patents filed for the assignee):

Yasuo Funami (5 out of 13 patents)

Yasuyuki Hayashi (5 out of 6 patents)

Shigenobu Abe (4 out of 4 patents)

4. Masahiro Hirano (2 out of 3 patents)

5. Yutaka Kinoshita (2 out of 2 patents)

6. Tamotu Nakamura (2 out of 2 patents)

7. Hisao Takayanagi (2 out of 6 patents)

8. Sumio Nakayama (2 out of 3 patents)

9. Hiroshi Yoshioka (1 out of 99 patents)

10. Yasushi Aoki (1 out of 18 patents)

11. Tsunehiko Fukatsu (1 out of 8 patents)

12. Hideo Suzuki (1 out of 126 patents)

13. Yoshimi Watanabe (1 out of 21 patents)

14. Tadashi Hasegawa (1 out of 2 patents)

15. Takashi Takeuchi (1 out of 8 patents)

31 patents: Sort by Forward Citations

1. 5387142 - Power steering device for outboard engine (1995-02-07),

2. 5372528 - Tilting and trimming mechanism for outboard engine (1994-12-13),

3. 5350326 - Hydraulic pressure generating device for power steering apparatus for (1994-09-27),

4. 5327936 - Spool valve with self-centering mechanism (1994-07-12),

5. 5311910 - Cap attachment structure for accumulator (1994-05-17),

6. 5207081 - Vibration damper assembly (1993-05-04),

7. 5201384 - Motorcycle having body height adjusting mechanism (1993-04-13),

8. 5181696 - Vehicle height adjusting device for attachment to a hydraulic shock (1993-01-26),

9. 5156561 - Trim and tilt mechanism for use with outboard engine (1992-10-20),

10. 5149285 - Tilt/trim device for outboard engine (1992-09-22),

11. 5118315 - Method of and apparatus for controlling the angle of trim of marine (1992-06-02),

12. 5104294 - Hydraulic pump assembly with accumulator and oil reservoir (1992-04-14),

13. 5098120 - Shock absorber for use in a vehicle (1992-03-24),

14. 5087179 - Filter attachment for gear pump (1992-02-11),

15. 5041033 - Hydraulic pressure mechanism for lifting and lowering outboard engine (1991-08-20),

Kabushiki Kaisha Showa Seisakusho is a renowned company specializing in the manufacturing of industrial machinery and equipment. Established in 1946, the company is based in Japan and has a rich history of delivering high-quality products. Showa Seisakusho offers a diverse range of solutions, including precision machinery, control systems, automated equipment, and production line optimization tools. With a focus on innovation and customer satisfaction, Showa Seisakusho has become a trusted name in the industry and continues to provide cutting-edge solutions to enhance productivity and efficiency for businesses worldwide.

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

Company Badge

USPTO Data Jan 1 1976 - Jan 6 2026

31 Patents

#909 in Tokyo

#2,216 in Japan

#20,648 in the World

Kabushiki Kaisha Showa Seisakusho

Forward Citations = 548

45 inventors:

Yasuo Funami (5 out of 13 patents)

Yasuyuki Hayashi (5 out of 6 patents)

Shigenobu Abe (4 out of 4 patents)

4. Masahiro Hirano (2 out of 3 patents)

5. Yutaka Kinoshita (2 out of 2 patents)

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