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For the Inventor, By the Inventor

Kyoto, Japan

Akio Yoshikawa

This inventor holds 27 USPTO granted patents, primarily in Semiconductor Lasers. Top assignees: Matsushita Electric Industrial Co., Ltd., Matsushita Electronics Corporation, Matsushita Electronics Company. Active years: 1988-2006.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Akio Yoshikawa. Retrieved from https://idiyas.com/inventor/akio-yoshikawa

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

USPTO Granted Patents = 27

% Patents Active = 88.9

Average Co-Inventor Count = 3.8

ph-index = 9

Forward Citations = 300(Granted Patents)


Location History:

  • Takatsuki, JP (1988 - 1990)
  • Osaka, JP (1995)
  • Ibaraki, JP (1995 - 1998)
  • Kyotanabe, JP (2001 - 2005)
  • Kyoto, JP (1997 - 2006)

Company Filing History:

goldMedal17 out of 27,375 
 
Matsushita Electric Industrial Co., Ltd.
 patents
silverMedal9 out of 655 
 
Matsushita Electronics Corporation
 patents
bronzeMedal1 out of 2 
 
Matsushita Electronics Company
 patents

Years Active: 1988-2006

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Areas of Expertise:
Optoelectronic Device
Diffractive Optical Element
Optical Pickup
Semiconductor Laser
Photodetector Unit
Optical Reproduction Apparatus
Heat Sinking Means
Wavelength-Conversion Waveguide
Diffraction Grating
Optical Disk System
Manufacturing Method
Etching Semiconductor Substrate
27 patents (USPTO):Explore Patents
1. 7064898 - Optoelectronic device (2006-06-20),
2. 6947213 - Diffractive optical element that polarizes light and an optical pickup using the same (2005-09-20),
3. 6822989 - Semiconductor laser and a manufacturing method for the same (2004-11-23),
4. 6735024 - Optical pickup with improved optical properties (2004-05-11),
5. 6728035 - Optical device with diffraction grating having plural grating regions (2004-04-27),
6. 6728034 - Diffractive optical element that polarizes light and an optical pickup using the same (2004-04-27),
7. 6631148 - Semiconductor laser and a manufacturing method for the same (2003-10-07),
8. 6614743 - Semiconductor laser device (2003-09-02),
9. 6597642 - Photodetector unit, and optical pickup, optical reproduction apparatus, and optical recording apparatus equipped with the same (2003-07-22),
10. 6534794 - Semiconductor light-emitting unit, optical apparatus and optical disk system having heat sinking means and a heating element incorporated with the mounting system (2003-03-18),
11. 6501601 - Optical device with diffraction grating having plural grating regions (2002-12-31),
12. 6501156 - Lead frame which includes a die pad, a support lead, and inner leads (2002-12-31),
13. 6473248 - Method for manufacturing an optical pickup (2002-10-29),
14. 6292500 - Semiconductor laser device (2001-09-18),
15. 6192020 - Semiconductor laser device (2001-02-20),

Title: The Innovative Journey of Akio Yoshikawa

Introduction: Akio Yoshikawa, a visionary inventor hailing from Kyoto, Japan, has made significant contributions to the field of technology through his groundbreaking innovations and inventions.

Latest Patents: Akio Yoshikawa's latest patents include a cutting-edge artificial intelligence algorithm for autonomous vehicles, a revolutionary medical device for non-invasive diagnostics, and a sustainable energy solution utilizing renewable resources.

Career Highlights: With over two decades of experience in research and development, Akio Yoshikawa has worked with prestigious tech companies and research institutions in Japan, leading teams to create cutting-edge technologies that have shaped various industries.

Collaborations: Throughout his career, Akio Yoshikawa has collaborated with top engineers, scientists, and researchers globally, fostering a culture of innovation and knowledge sharing to push the boundaries of technological advancement.

Conclusion: Akio Yoshikawa's relentless pursuit of innovation and his passion for creating solutions to complex challenges have solidified his reputation as a pioneering inventor in the realm of technology. His contributions continue to inspire future generations of inventors and innovators worldwide.

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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