Kanagawa, Japan

Hirokazu Takenaka

This inventor holds 49 USPTO granted patents and 1 published patent application, plus 2 CIPO patents and 14 EPO patents, primarily in Imaging Systems. Top assignee: Ricoh Company, Ltd.. Active years: 2006-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hirokazu Takenaka. Retrieved from https://idiyas.com/inventor/hirokazu-takenaka

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

USPTO Granted Patents = 49 

% Patents Active = 81.6


 

Average Co-Inventor Count = 3.8

ph-index = 8

Forward Citations = 178(Granted Patents)


Location History:

  • Tokyo, JP (2008)
  • Kawasaki, JP (2015 - 2020)
  • Kanagawa, JP (2006 - 2024)

Company Filing History:


Years Active: 2006-2025

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Areas of Expertise:
Imaging Systems
Distance Measurement
Image Processing
Optical Elements
Wide-Angle Lens
Farmland Management
Image Capture
Imaging Optical System
Communication Methods
Zooming Techniques
Image Capture Systems
Image Processors
49 patents (USPTO):Explore Patents

Title: Innovations by Hirokazu Takenaka: Pioneering Range Finding Technologies

Introduction: Hirokazu Takenaka, a prominent inventor based in Kanagawa, Japan, holds an impressive portfolio of 48 patents. His contributions to the field of range finding technology have significantly advanced measurement techniques used across various industries.

Latest Patents: Two of Hirokazu's latest patents delve into innovative methods and devices for distance measurement. The first patent is for a range finding device and method that employs a light-emitting unit with multiple regions, an optical element for guiding emitted light, and a light-receiving unit designed to detect reflected light from an object. This device not only measures the light received but also calculates the distance to the object based on the time difference between emitted and received light.

The second patent focuses on a distance measurement apparatus, incorporating a light projector and a sensor that photoelectrically converts received light into electrical signals. This apparatus is capable of generating multiple phase signals to output precise distance data from target objects, showcasing the sophistication of Hirokazu's innovative approach.

Career Highlights: Hirokazu Takenaka has made remarkable strides in his career, particularly through his work at Ricoh Company, Ltd. His dedication to advancing optical technology has led to notable breakthroughs, evident in the numerous patents he has secured that enhance measurement accuracies.

Collaborations: Throughout his career, Hirokazu has collaborated with skilled colleagues such as Kensuke Masuda and Nozomi Imae. These professional partnerships have fostered a collaborative environment that encourages the exchange of ideas, which is vital for innovation.

Conclusion: Hirokazu Takenaka's contributions to range finding technology underscore his status as a leading inventor. His latest patents reflect a commitment to enhancing measurement techniques, demonstrating the importance of innovation in advancing technology and industry practices. With a strong foundation in collaboration and a prolific output of patents, Hirokazu continues to pave the way for future advancements in his field.

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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