Company Filing History:

8 out of 42,485

Hitachi, Ltd.

patents

2 out of 227

Hitachi Global Storage Technologies Japan, Ltd.

patents

1 out of 987

Hgst Netherlands, B.v.

patents

Years Active: 2002-2013

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11 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 8482877 - Magnetic recording media, method for servowriting on same, and hard disk drive (2013-07-09),

2. 7936536 - Magnetic recording medium having lands with curved upper surfaces and magnetic recording and reproducing apparatus (2011-05-03),

3. 7239124 - Current measurement technique and current measurement apparatus (2007-07-03),

4. 7154687 - Overshoot current phase/amplitude control for hard disk drive write current (2006-12-26),

5. 7016156 - Disk drive having magnetic head conduction paths with arrangements to control impedance (2006-03-21),

6. 6894874 - Disk drive having magnetic head conduction paths with arrangements to control impedance (2005-05-17),

7. 6870697 - Overshoot current phase/amplitude control for hard disk drive write current (2005-03-22),

8. 6833694 - Current measurement technique and current measurement apparatus (2004-12-21),

9. 6661613 - Magnetic disk drive (2003-12-09),

10. 6529348 - Magnetic disk apparatus having an electric conducting path with a defined characteristic impedance and which interconnects a write element and a read/write integrated circuit (2003-03-04),

11. 6404594 - Magnetic disk drive with integrated electrical conductors for recording element (2002-06-11),

Title: Innovations of Hiroshi Ikekame

Introduction

Hiroshi Ikekame is a prominent inventor based in Tokyo, Japan, known for his significant contributions to the field of magnetic recording technology. With a total of 11 patents to his name, Ikekame has made remarkable advancements that enhance data storage and retrieval processes.

Latest Patents

Ikekame's latest patents include innovative technologies such as magnetic recording media and methods for servowriting. One of his notable inventions provides a servo write medium, method, and device for writing servo information by self-servowriting on a servo region formed from a flat section of a discrete track medium. This invention yields servo characteristics comparable to magnetic servo writing while surpassing pre-patterned servo capabilities, resulting in greater write storage capacity and higher recording density. Another significant patent involves a magnetic recording medium with lands featuring curved upper surfaces, which effectively reduces meniscus adsorptive forces and prevents writing into adjacent tracks. This design enhances the reliability and recording density of magnetic disks.

Career Highlights

Throughout his career, Hiroshi Ikekame has worked with notable companies such as Hitachi, Ltd. and Hitachi Global Storage Technologies Japan, Ltd. His work in these organizations has contributed to the development of cutting-edge storage technologies that are widely used in the industry.

Collaborations

Ikekame has collaborated with esteemed colleagues, including Yohji Maruyama and Hisashi Takano, to further advance the field of magnetic recording technology. Their combined expertise has led to significant innovations that have shaped the industry.

Conclusion

Hiroshi Ikekame's contributions to magnetic recording technology have established him as a leading inventor in the field. His innovative patents and collaborations have paved the way for advancements that enhance data storage solutions.

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