Company Filing History:

8 out of 39,245

Fujitsu Corporation

patents

1 out of 125

Toshiba Storage Device Corporation

patents

Years Active: 2001-2010

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9 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7852584 - Head IC, read circuit, and media storage device (2010-12-14),

2. 7606003 - Electrical device for interconnecting magnetic head and driving circuit which uses adjusted length wires of opposite polarity to reduce crosstalk and storage apparatus including same (2009-10-20),

3. 7312944 - Heater control method and storage apparatus (2007-12-25),

4. 7239470 - Heater control method and storage apparatus (2007-07-03),

5. 7006314 - Magnetic head driver circuit and magnetic storage device (2006-02-28),

6. 6947239 - Magnetic storage device equipped with write driver circuit capable of performing impedance matching by a simple circuit (2005-09-20),

7. 6683736 - Method detecting a fault of a magnetic recording head, and a magnetic recording device (2004-01-27),

8. 6507447 - Magnetic information storage device having a high-sensitivity magnetic sensor and a signal processing circuit processing an output of the high-sensitivity magnetic sensor (2003-01-14),

9. 6265869 - Method of detecting thermal asperity of magnetic storage device and circuit thereof (2001-07-24),

Title: Yasuhiko Takahashi: Innovator in Magnetic Head Technology

Introduction

Yasuhiko Takahashi is a prominent inventor based in Kawasaki, Japan. He has made significant contributions to the field of magnetic head technology, holding a total of 9 patents. His work has been instrumental in advancing the efficiency and performance of storage devices.

Latest Patents

Takahashi's latest patents include innovations such as a head IC, read circuit, and media storage device. The head IC is designed to adjust the amplitude level of head read signals, taking into account the scattering in head output characteristics. This adjustment ensures conformity to the input dynamic range of the read channel AGC. The AGC amplifier within the head IC is connected to a read channel, with a feedback response speed that is intentionally slower than that of the read channel's AGC circuit. This design allows for automatic adjustment of signal amplitudes, optimizing the input signal level for the read channel's AGC amplifier. Additionally, he has developed an electrical device for interconnecting magnetic heads and driving circuits, which utilizes adjusted length wires of opposite polarity to minimize crosstalk. This innovation is part of a storage apparatus that includes a recording/reproducing head and a driving circuit, enhancing the overall performance of magnetic storage devices.

Career Highlights

Throughout his career, Yasuhiko Takahashi has worked with notable companies such as Fujitsu Corporation and Toshiba Storage Device Corporation. His experience in these leading technology firms has allowed him to refine his expertise in magnetic head technology and contribute to groundbreaking advancements in the field.

Collaborations

Takahashi has collaborated with esteemed colleagues, including Yoshihiro Amemiya and Tetsuyuki Kubota. These partnerships have fostered innovation and have been pivotal in the development of his patented technologies.

Conclusion

Yasuhiko Takahashi's contributions to magnetic head technology and storage devices have established him as a key figure in the industry. His innovative patents and collaborations reflect his commitment to advancing technology in this vital field.

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