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Kabushiki Kaisha Csk

USPTO Granted Patents = 18

Forward Citations = 88

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15 inventors (with patents filed for the assignee):

Kiyoshi Horie (8 out of 28 patents)

Fumio Kimura (2 out of 20 patents)

Tomoharu Ishijima (2 out of 2 patents)

4. Akira Takagi (1 out of 22 patents)

5. Hidefumi Suzuki (1 out of 7 patents)

6. Koichi Sugimura (1 out of 1 patent)

7. Shigeru Izawa (1 out of 1 patent)

8. Horie Kiyoshi (1 out of 2 patents)

9. Minoru Yukawa (1 out of 1 patent)

10. Jun Takada (1 out of 1 patent)

11. Kiyotaka Ouchi (1 out of 1 patent)

12. Masaaki Nishioka (1 out of 1 patent)

13. Shunzo Takahashi (1 out of 1 patent)

14. Yukitaka Kunimoto (1 out of 1 patent)

15. Kagawa Hirofumi (1 out of 1 patent)

18 patents: Sort by Forward Citations

1. 5261075 - Optical recording medium access system (1993-11-09),

2. 5212602 - Magnetic head having fuse within head case (1993-05-18),

3. 5198646 - System for detecting punched holes of magnetic cards (1993-03-30),

4. 5187698 - Data reading apparatus for identifying position of data tracks (1993-02-16),

5. 5182737 - System for reading optical recording medium using reference liners which (1993-01-26),

6. 5181194 - Writing device for optical memory card (1993-01-19),

7. 5164577 - Optical recording medium with region for identifying defective written (1992-11-17),

8. 5142524 - Optical recording medium (1992-08-25),

9. 5142519 - Optical recording medium and device for writing and reading information (1992-08-25),

10. 5138597 - Apparatus for detecting a read error of an optical recording medium (1992-08-11),

11. 5136588 - Interleaving method and apparatus (1992-08-04),

12. 5136503 - Machine translation system (1992-08-04),

13. 5128917 - Tracking device for optical memory card (1992-07-07),

14. 5113378 - Optical tracking system for an optical recording arrangement with (1992-05-12),

15. 5070491 - Error signal generating circuit (1991-12-03),

Kabushiki Kaisha Csk is a Japanese IT consulting and services company, specializing in providing solutions for businesses in various industries. They offer services such as system development, cloud computing, digital marketing, and IT infrastructure management. With a strong focus on innovation and technology, Csk aims to help clients achieve success in the digital age.

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

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USPTO Data Jan 1 1976 - Dec 9 2025

18 Patents

#1,227 in Tokyo

#3,052 in Japan

#33,147 in the World

Kabushiki Kaisha Csk

Forward Citations = 88

15 inventors:

Kiyoshi Horie (8 out of 28 patents)

Fumio Kimura (2 out of 20 patents)

Tomoharu Ishijima (2 out of 2 patents)

4. Akira Takagi (1 out of 22 patents)

5. Hidefumi Suzuki (1 out of 7 patents)

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