Itami, Japan

Takao Nakamura

This inventor holds 135 USPTO granted patents, plus 2 CIPO patents and 8 EPO patents, primarily in Nitride Semiconductor Technology (CPC class 427 62). Top assignees: Sumitomo Electric Industries, Limited, Nippon Telegraph and Telephone Corporation, Canon Kabushiki Kaisha. Active years: 1991-2024.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takao Nakamura. Retrieved from https://idiyas.com/inventor/takao-nakamura

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


% Patents Active = 68.9

 

 

Average Co-Inventor Count = 2.7

ph-index = 15

Forward Citations = 988(Granted Patents)

Forward Citations (Not Self Cited) = 921(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Tokyo, JP (1991 - 1997)
  • Machida, JP (2004)
  • Kanagawa, JP (2004 - 2010)
  • Yokohama, JP (2001 - 2012)
  • Osaka, JP (1993 - 2013)
  • Yokosuka, JP (2012 - 2013)
  • Kawasaki, JP (2005 - 2016)
  • Itami, JP (2007 - 2022)

Company Filing History:


Years Active: 1991-2024

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Areas of Expertise:
Nitride Semiconductor
Laser Diode
Digital Watermarking
Epitaxial Wafer
Gallium Nitride
Optical Module
Light Source Module
P-Type Contact Structure
Conveying Apparatus
Communication System
Digital Twin Computing
Fabrication Method
135 patents (USPTO):Explore Patents

Title: Takao Nakamura: Pioneering Innovator in Optical Modules

Introduction:

In the world of innovation and patents, few names shine as brightly as that of Takao Nakamura. Hailing from Itami, Japan, Nakamura has made significant contributions to the field of optical modules. With 127 patents to his name, he has revolutionized the way we perceive and utilize laser diodes (LDs), multiplexing optical systems, and packaging technology in the industry.

Latest Patents:

Nakamura's recent patents highlight his expertise in the development and manufacturing of optical modules. One of his innovative patents involves an optical module consisting of multiple LDs, a multiplexing optical system, and a package hosting the LDs and the multiplexing optical system. Notably, at least one of the LDs has an oscillation wavelength of no more than 550 nm. The package exhibits an internal moisture content of not more than 3000 ppm, and the multiplexing optical system is secured to the support using a resin curing adhesive.

Career Highlights:

Nakamura's career has been marked by substantial achievements at esteemed companies such as Sumitomo Electric Industries, Limited, and Nippon Telegraph and Telephone Corporation. During his tenure, he has consistently pushed the boundaries of optical module technology, surpassing industry norms with his innovative designs. Nakamura's dedication, technical prowess, and relentless pursuit of excellence have earned him a well-deserved reputation as a trailblazer in the field.

Collaborations:

In his pursuit of groundbreaking inventions, Nakamura has worked alongside some remarkable individuals. Among his noteworthy colleagues are Michitomo Iiyama and Hiroshi Inada. Collaborations of this nature often foster a rich exchange of ideas, enabling engineers to synergize their expertise and drive forward technological advancements.

Conclusion:

Takao Nakamura's remarkable contributions to the field of optical modules have propelled him to the forefront of innovation in this industry. With an impressive array of patents and a history of groundbreaking inventions, Nakamura's expertise is sought after by many. His dedication and passion continue to inspire the next generation of inventors, furthering the advancement of optical module technology and paving the way for a brighter future in the field of telecommunications 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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