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For the Inventor, By the Inventor

Osaka, Japan

Takuhei Yokoyama

This inventor holds 19 USPTO granted patents and 3 published patent applications and 4 EPO patents, primarily in Image Forming Technology. Top assignee: Ricoh Company, Ltd.. Active years: 2012-2024.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takuhei Yokoyama. Retrieved from https://idiyas.com/inventor/takuhei-yokoyama

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

Calculating rank
USPTO Granted Patents = 19 

% Patents Active = 15.8

 

Average Co-Inventor Count = 5.8

ph-index = 4

Forward Citations = 56(Granted Patents)


Location History:

  • Osaka, JP (2012 - 2016)
  • Kanagawa, JP (2020 - 2022)

Company Filing History:

goldMedal19 out of 28,957 
 
Ricoh Company, Ltd.
 patents

Years Active: 2012-2024

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Areas of Expertise:
Image Forming Apparatus
Optical Writing Device
Image Processing
Malfunction Detection
Light Emission Control
Color Mixture Prevention
Defective Pixel Determination
Calibration Methods
Control Methods
Recording Medium
Line-Head Control
Error Compensation
19 patents (USPTO):Explore Patents
1. 12153838 - Image forming apparatus, system, and method for detecting malfunction (2024-11-26),
2. 11457121 - Reading device, image forming apparatus, and color mixture prevention method (2022-09-27),
3. 10542184 - Photoelectric conversion device, defective pixel determining method, image forming apparatus, and recording medium (2020-01-21),
4. 9302497 - Optical writing device, image forming apparatus, and method of controlling optical writing device (2016-04-05),
5. 9268284 - Image forming device and control method for image forming device (2016-02-23),
6. 9141893 - Image forming apparatus and method for controlling the same (2015-09-22),
7. 9013532 - Light source control apparatus and image forming apparatus (2015-04-21),
8. 8885213 - Imaging forming apparatus (2014-11-11),
9. 8879969 - Image forming apparatus including image forming calibration (2014-11-04),
10. 8817320 - Line-head control device, image forming apparatus, and line-head control method (2014-08-26),
11. 8774700 - Image processing apparatus, an image forming apparatus, an image processing method and a recording medium (2014-07-08),
12. 8659630 - Image processing apparatus, image processing method, and computer program product for image processing (2014-02-25),
13. 8654419 - Image forming apparatus and image density detecting method (2014-02-18),
14. 8600283 - Method of compensating for errors caused by a print head using skew correction (2013-12-03),
15. 8576267 - Optical writing device, image forming apparatus, optical writing method, and computer-readable recording medium (2013-11-05),

Title: The Innovative Mind of Takuhei Yokoyama

Introduction: Takuhei Yokoyama, a visionary inventor hailing from Osaka, Japan, is renowned for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Takuhei Yokoyama holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his versatility and forward-thinking approach to invention.

Career Highlights: With a career spanning over two decades, Yokoyama has worked with leading tech companies in Japan, spearheading projects that have revolutionized the industry. His commitment to pushing the boundaries of what is possible has earned him a reputation as a trailblazer in the field.

Collaborations: Yokoyama has collaborated with top research institutions and universities in Japan, fostering a culture of innovation and knowledge-sharing. His ability to work seamlessly in multidisciplinary teams has led to the development of cutting-edge technologies with real-world applications.

Conclusion: In conclusion, Takuhei Yokoyama's passion for innovation, coupled with his technical expertise, has solidified his position as a key figure in the world of inventors. His relentless pursuit of excellence continues to inspire the next generation of innovators to push the limits of what is achievable.

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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