logo

For the Inventor, By the Inventor

Tokyo, Japan

Takuzi Yoneda

This inventor holds 18 USPTO granted patents and 5 EPO patents, primarily in Image Formation Technology. Top assignee: Ricoh Company, Ltd.. Active years: 2001-2015.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takuzi Yoneda. Retrieved from https://idiyas.com/inventor/takuzi-yoneda

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

Calculating rank
USPTO Granted Patents = 18

% Patents Active = 61.1

 

Average Co-Inventor Count = 6.5

ph-index = 7

Forward Citations = 121(Granted Patents)


Location History:

  • Kanagawa, JP (2001)
  • Oota-ku, JP (2007)
  • Ohta-ku, JP (2007 - 2011)
  • Tokyo, JP (2008 - 2015)

Company Filing History:

goldMedal18 out of 28,951 
 
Ricoh Company, Ltd.
 patents

Years Active: 2001-2015

Loading Chart...
Loading Chart...
Areas of Expertise:
Image Forming Apparatus
Developer Supply System
Charging Device
Process Cartridge
Toner
Lubricant Applying Device
Transfer Device
Electrophotographic
Cleaning Mechanism
Residual Toner Removal
Frequency Resonance Prevention
Intermediate Image Transfer
18 patents (USPTO):Explore Patents
1. 9109633 - Driving force transmission mechanism and image forming apparatus (2015-08-18),
2. 8923726 - Image forming apparatus incorporating developing device with first and second seals (2014-12-30),
3. 8843033 - Developer supplier, image forming apparatus, developer supplying method and image forming method (2014-09-23),
4. 8843019 - Development device and image forming apparatus incorporating same (2014-09-23),
5. 8843015 - Imaging device, image forming apparatus, and process cartridge (2014-09-23),
6. 8428488 - Charging device, process cartridge, image forming apparatus, and toner (2013-04-23),
7. 8121498 - Image forming apparatus and developer supply method therefor (2012-02-21),
8. 8086117 - Image forming apparatus and developer replenishing method (2011-12-27),
9. 8064807 - Developer supply system and image forming apparatus incorporating same (2011-11-22),
10. 8000627 - Charging device, process cartridge, image forming apparatus, and toner (2011-08-16),
11. 7826786 - Image forming apparatus, lubricant applying device, transfer device, process cartridge, and toner (2010-11-02),
12. 7672635 - Method and apparatus for image forming and effectively applying lubricant to an image bearing member (2010-03-02),
13. 7477856 - Method and apparatus for image forming capable of effectively preventing resonance of frequencies (2009-01-13),
14. 7373101 - Method and apparatus for image forming and effectively applying lubricant to an image bearing member (2008-05-13),
15. 7333744 - Image forming apparatus that charges a photosensitive member by superimposing an alternate current bias voltage on a direct current bias voltage as the charge bias voltage (2008-02-19),

Title: Takuzi Yoneda: Innovator in Image Forming Technology

Introduction

Takuzi Yoneda is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of image forming technology, holding a total of 18 patents. His innovative work has been instrumental in advancing the capabilities of various imaging devices.

Latest Patents

Yoneda's latest patents include a driving force transmission mechanism and an image forming apparatus. The driving force transmission mechanism features a connection that allows for the integral rotation of a driving shaft and a driven shaft of a rotary member. This mechanism includes a tubular boss portion and a fitting shaft portion, designed to enhance efficiency in power transmission. Additionally, his image forming apparatus incorporates a developing device with first and second seals, which improve the performance and reliability of the development process in imaging systems.

Career Highlights

Takuzi Yoneda has dedicated his career to innovation in imaging technology. His work at Ricoh Company, Ltd. has positioned him as a key figure in the development of advanced imaging solutions. His patents reflect a deep understanding of the technical challenges in the field and a commitment to overcoming them through innovative design.

Collaborations

Throughout his career, Yoneda has collaborated with notable colleagues, including Ken Amemiya and Toshio Koike. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies in the imaging sector.

Conclusion

Takuzi Yoneda's contributions to image forming technology are significant and impactful. His innovative patents and collaborative efforts continue to shape the future of imaging devices.

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]
Loading…