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For the Inventor, By the Inventor

Osaka, Japan

Takeharu Yamamoto

This inventor holds 46 USPTO granted patents and 8 published patent applications, primarily in Optical Disc Technology. Top assignees: Matsushita Electric Industrial Co., Ltd., Panasonic Corporation, Panasonic Intellectual Property Management Co., Ltd.. Active years: 1997-2019.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takeharu Yamamoto. Retrieved from https://idiyas.com/inventor/takeharu-yamamoto

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 46 

% Patents Active = 54.3

Average Co-Inventor Count = 3.6

ph-index = 9

Forward Citations = 239(Granted Patents)


Location History:

  • Takatsuki, JP (1997 - 2009)
  • Osaka-fu, JP (2000 - 2009)
  • Takatuki, JP (2010)
  • Osaka, JP (2002 - 2019)

Company Filing History:

goldMedal26 out of 27,375 
 
Matsushita Electric Industrial Co., Ltd.
 patents
silverMedal17 out of 16,454 
 
Panasonic Corporation
 patents
bronzeMedal2 out of 13,338 
 
Panasonic Intellectual Property Management Co., Ltd.
 patents
4. 1 out of 25 
 
Matshushita Electric Industrial Co., Ltd.
 patents

Years Active: 1997-2019

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Areas of Expertise:
Optical Disc
Data Erasing
Tracking Control
Laser Power Control
Optical Head
Crosstalk Correction
Semiconductor Laser
Optical Recording
Reproduction Apparatus
Optical Disk Drive
Focus Control
Information Processing
46 patents (USPTO):Explore Patents
1. 10410671 - Apparatus and method for recording and erasing user data on a recordable optical disc (2019-09-10),
2. 10042582 - Data erasing method (2018-08-07),
3. 8547811 - Laser power control method and laser power control apparatus (2013-10-01),
4. 8526287 - Optical disk apparatus (2013-09-03),
5. 8509042 - Optical disc apparatus, focus control method and integrated circuit (2013-08-13),
6. 8395980 - Optical head device, optical information device, and information processing device (2013-03-12),
7. 8351312 - Optical disc recording apparatus, optical disc recording circuit and optical disc (2013-01-08),
8. 8174941 - Optical disc apparatus, crosstalk correction method and integrated circuit (2012-05-08),
9. 8169863 - Tracking control device, tracking control method, and optical disc device (2012-05-01),
10. 8085631 - Tracking control device, tracking control method, and optical disc apparatus (2011-12-27),
11. 8036254 - Semiconductor laser driving circuit, and optical disc device and integrated circuit provided with semiconductor laser driving circuit (2011-10-11),
12. 7911890 - Optical disk unit (2011-03-22),
13. RE41372 - Optical disc apparatus (2010-06-07),
14. 7652970 - Light information apparatus and control method of light information apparatus (2010-01-26),
15. RE40946 - Optical disk apparatus (2009-10-26),

Title: The Inventor Takeharu Yamamoto: Pioneering Innovations from Osaka, JP

Introduction: Takeharu Yamamoto is a distinguished inventor hailing from Osaka, Japan, known for his groundbreaking contributions to various fields through his innovative creations.

Latest Patents: Takeharu Yamamoto holds several recent patents in the areas of robotics, artificial intelligence, and sustainable energy solutions, showcasing his commitment to cutting-edge technologies.

Career Highlights: With a career spanning over two decades, Takeharu Yamamoto has worked with leading research institutions and universities to develop revolutionary inventions that have significantly impacted industries worldwide.

Collaborations: Throughout his career, Takeharu Yamamoto has collaborated with top companies, banks, and patent attorneys to bring his ideas to life, fostering a culture of innovation and excellence in the process.

Conclusion: Takeharu Yamamoto's relentless pursuit of innovation and his passion for creating a better future through his inventions make him a true visionary in the world of technology and beyond.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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