Average Co-Inventor Count = 2.0

ph-index = 10

Forward Citations = 732(Granted Patents)

Location History:

Yamanashi, JP (2006)
Tokyo, JP (2006 - 2017)
Shinjuku-ku, JP (2010 - 2018)

Company Filing History:

11 out of 73

Wd Media (singapore) Pte. Ltd.

Wd Meida (singapore) Pte. Ltd.

patent

4. 1 out of 13

Hoya Magnetics Singapore Pte. Ltd.

patents

5. 1 out of 3

(singapore) Pte. Ltd.

where one patent can have more than one assignee

Years Active: 2006-2018

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18 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 9984715 - Magnetic disk and manufacturing method thereof (2018-05-29),

2. 9558778 - Lubricant compound for magnetic disk and magnetic disk (2017-01-31),

3. 9177586 - Magnetic disk and manufacturing method thereof (2015-11-03),

4. 8999534 - Lubricant for magnetic disk and magnetic disk (2015-04-07),

5. 8999533 - Magnetic disk and method of manufacturing the same (2015-04-07),

6. 8920872 - Method of producing a magnetic recording disc (2014-12-30),

7. 8846137 - Method of manufacturing a magnetic disk (2014-09-30),

8. 8697262 - Lubricant for magnetic disc, magnetic disc and method of producing the same (2014-04-15),

9. 8492011 - Lubricant compound for a magnetic disk, magnetic disk, and method of manufacturing the same (2013-07-23),

10. 8178480 - Lubricant for magnetic disk, process for producing the same, and magnetic disk (2012-05-15),

11. 8062778 - Magnetic recording disk and method for manufacture thereof (2011-11-22),

12. 8012920 - Lubricant for magnetic disks, method for producing the lubricant used in the magnetic disks, and method for manufacturing the same (2011-09-06),

13. 7833641 - Magnetic disk (2010-11-16),

14. 7531485 - Method of producing a lubricant for a magnetic disk, lubricant for a magnetic disk, magnetic disk, and method of producing a magnetic disk (2009-05-12),

15. 7277254 - Magnetic recording disk and process for manufacture thereof (2007-10-02),

Title: Koichi Shimokawa: Innovator in Magnetic Disk Technology

Introduction

Koichi Shimokawa is a prominent inventor based in Tokyo, Japan, known for his significant contributions to the field of magnetic disk technology. With a total of 18 patents to his name, Shimokawa has made remarkable advancements that have influenced the industry.

Latest Patents

Among his latest patents is a magnetic disk and manufacturing method that features a magnetic layer, a carbon protective layer, and a lubrication layer sequentially provided on a substrate. This innovative design includes a lubrication layer formed by a lubricant containing a perfluoropolyether compound, which enhances the performance and durability of the magnetic disk. Another notable patent involves a lubricant compound for magnetic disks, which comprises various components that improve the efficiency and reliability of the lubrication layer.

Career Highlights

Throughout his career, Koichi Shimokawa has worked with notable companies such as WD Media (Singapore) Pte. Ltd. and Hoya Corporation. His expertise in magnetic disk technology has positioned him as a key figure in the development of advanced storage solutions.

Collaborations

Shimokawa has collaborated with talented individuals in the field, including Katsushi Hamakubo and Kae Itoh, contributing to the success of various projects and innovations.

Conclusion

Koichi Shimokawa's work in magnetic disk technology exemplifies his dedication to innovation and excellence. His patents continue to shape the future of data storage solutions, making him a significant figure in the industry.

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