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Sagamihara, Japan

Toshimitsu Kaku

USPTO Granted Patents = 72

Average Co-Inventor Count = 4.0

ph-index = 21

Forward Citations = 1,142(Granted Patents)

Forward Citations (Not Self Cited) = 1,124(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Hachioji, JP (1983 - 1989)
Hitachinaka, JP (2003 - 2004)
Ibaraki, JP (2002 - 2005)
Sagamihara, JP (1986 - 2013)

Company Filing History:

64 out of 42,496

Hitachi-lg Data Storage, Inc.

Hitachi Video and Information System, Inc.

4. 2 out of 365

Hitachi Consumer Electronics Co., Ltd.

Hitachi-lg Storage, Inc.

6. 3 out of 832,843

Other

patents

where one patent can have more than one assignee

Years Active: 1983-2013

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Areas of Expertise:

Optical Pickup

Optical Disc Drive

Laser Driver

Magneto-Optical Recording

Information Reproducing Apparatus

Multibeam Optical Disk

Wobble Signal Detection

Optical Information Recording

Recording Control Method

Laser Control Method

Optical Disk Apparatus

Trial Write Test Pattern

72 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 8477589 - Optical pickup and optical disc drive (2013-07-02),

2. 8305869 - Optical disc drive (2012-11-06),

3. 8144559 - Multiple pulse recording method with 3-valued power levels (2012-03-27),

4. 7924664 - Optical disk apparatus, optical head, and detection signal processing method thereof (2011-04-12),

5. 7746748 - Optical disc device and reproduction method (2010-06-29),

6. 7499478 - Laser driver, optical disk apparatus using the same, and laser control method (2009-03-03),

7. 7227822 - Laser driver and optical disk system (2007-06-05),

8. 7227818 - Magneto-optical data recording/reproducing method (2007-06-05),

9. 7170838 - Information recording and reproducing apparatus (2007-01-30),

10. 7031244 - Information recording/reproducing apparatus (2006-04-18),

11. RE39013 - Method and apparatus for optical recording and reproducing with tracking servo reducing track offset (2006-03-13),

12. 6954410 - Information recording and reproducing apparatus for updating the waveform of a laser based on position information (2005-10-11),

13. 6831885 - Optical disk apparatus wherein recording clock signal is stopped being supplied to semiconductor laser drive circuit on optical pickup during reproduction operation (2004-12-14),

14. 6810050 - Laser driver, optical disk apparatus using the same, and laser control method (2004-10-26),

15. 6754144 - Optical information recording/reproducing apparatus (2004-06-22),

Title: Toshimitsu Kaku: Pioneering Inventor from Sagamihara

Introduction: Toshimitsu Kaku is a renowned inventor hailing from Sagamihara, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Toshimitsu Kaku holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his continuous commitment to pushing the boundaries of technological advancement.

Career Highlights: With a career spanning over two decades, Toshimitsu Kaku has worked with leading tech companies and research institutions, playing a key role in developing cutting-edge solutions that have revolutionized various industries.

Collaborations: Throughout his career, Toshimitsu Kaku has collaborated with top engineers, scientists, and researchers from around the world, fostering a culture of innovation and knowledge sharing that has led to numerous successful projects.

Conclusion: Toshimitsu Kaku's passion for innovation, coupled with his relentless pursuit of excellence, has solidified his reputation as a visionary inventor whose work continues to inspire future generations of innovators.

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