Tokyo, Japan

Toshiyuki Nakajima

This inventor holds 22 USPTO granted patents and 1 published patent application, primarily in Optical Devices. Top assignees: Canon Kabushiki Kaisha, Canon-Staar Co. Inc., Stanley Electric Co., Ltd. Active years: 1988-2012.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toshiyuki Nakajima. Retrieved from https://idiyas.com/inventor/toshiyuki-nakajima

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

USPTO Granted Patents = 22 

% Patents Active = 95.5

Average Co-Inventor Count = 3.2

ph-index = 15

Forward Citations = 963(Granted Patents)


Location History:

  • Atsugi, JP (1988 - 1991)
  • Matsudo, JP (1999 - 2002)
  • Chiba-ken, JP (2008)
  • Tokyo, JP (1991 - 2012)

Company Filing History:


Years Active: 1988-2012

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Areas of Expertise:
LED Device
LED Lighting
Intraocular Lens
Image Shake Detection
Ophthalmologic Knife
Deformable Lens
Optical Element
Variable-Focus Device
Automatic Stabilization
Optical Device
22 patents (USPTO):Explore Patents

Title: Innovations of Toshiyuki Nakajima: A Pioneer in LED Technology and Intraocular Lens Design

Introduction

Toshiyuki Nakajima, based in Tokyo, Japan, is a distinguished inventor known for his groundbreaking contributions to technology and optics. With a remarkable portfolio of 22 patents, he has driven innovation in both LED devices and intraocular lens systems, showcasing his expertise in engineering and design.

Latest Patents

One of Nakajima's notable inventions is an advanced LED device and LED lighting apparatus. This design features a casing with a cavity housing at least one pair of LED chips, including a first and second LED chip. Encapsulated in a phosphor-rich resin, these chips provide a highly efficient and versatile lighting solution. By adjusting the current applied to the LED chips, the apparatus can emit white light with a color temperature that closely resembles natural light, thereby enhancing user experience.

Another significant patent is for an insertion system for an intraocular lens. This innovative system includes a deformable optical lens housed in a stress-free package, along with an insertion device featuring a tube and pusher mechanism. This technology aims to simplify the process of inserting intraocular lenses into the eye, improving overall surgical efficiency and patient outcomes.

Career Highlights

Throughout his career, Nakajima has worked with prestigious companies, notably Canon Inc. and Canon-Staar Co., Inc. His experience in these leading corporations has provided him with a solid foundation to explore and implement his innovative ideas. His dedication to advancing technology in optics and lighting is evident in his extensive patent portfolio.

Collaborations

Nakajima's collaborations with esteemed coworkers, such as Toshikazu Kikuchi and Masayoshi Sekine, have played a crucial role in the development of his patented technologies. Their collective expertise and vision have contributed to significant advancements in their fields, showcasing the power of teamwork in innovation.

Conclusion

Toshiyuki Nakajima stands as a testament to the spirit of innovation, with a proven track record of producing influential patents that elevate technology in LED lighting and intraocular lens design. His contributions not only enhance everyday products but also advance medical technology, positively impacting countless lives. As he continues to innovate, the legacy of his work is sure to inspire future generations of inventors.

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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