IDiyas

For the Inventor, By the Inventor

Tokyo, Japan

Chikara Imai

USPTO Granted Patents = 23

Average Co-Inventor Count = 2.5

ph-index = 13

Forward Citations = 413(Granted Patents)


Company Filing History:

goldMedal23 out of 28,544 
 
Ricoh Company, Ltd.
 patents

Years Active: 1980-2006

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23 patents (USPTO):Explore Patents
1. 7079798 - Toner transfer back suppressing color image forming apparatus (2006-07-18),
2. 6708015 - Developing device and image forming apparatus using the same (2004-03-16),
3. 6597884 - Image forming apparatus including electrostatic conveyance of charged toner (2003-07-22),
4. 5864733 - Developing device for image forming apparatus (1999-01-26),
5. 5394231 - Image forming apparatus capable of forming an erasable image (1995-02-28),
6. 5258248 - Image density control method for an image forming apparatus (1993-11-02),
7. 5003354 - Method of removing a film from an image carrier of an image forming (1991-03-26),
8. 4975748 - Method of removing a film from an image carrier (1990-12-04),
9. 4910557 - Image density control method for an image forming apparatus (1990-03-20),
10. 4632537 - Electrophotographic apparatus (1986-12-30),
11. 4619522 - Dual mode image density controlling method (1986-10-28),
12. 4522481 - Toner supply control method for electrophotographic copier (1985-06-11),
13. 4508446 - Reproduction process control method (1985-04-02),
14. 4487501 - Process of exposing photosensitive member (1984-12-11),
15. 4474455 - Electrophotographic copying process and apparatus having means for (1984-10-02),

Title: Innovations by Chikara Imai in Color Image Forming Technology

Introduction

Chikara Imai is a noteworthy inventor based in Tokyo, Japan, known for his significant contributions to the field of color image forming technology. With an impressive total of 23 patents to his name, he has played a pivotal role in advancing printing solutions.

Latest Patents

Among his latest innovations, one of the standout patents is the "Toner Transfer Back Suppressing Color Image Forming Apparatus." This multi-color image forming apparatus is designed with a series of stations that create unique mono-color toner images through distinct mono-color developers. Each station features an image bearing member and a developing device responsible for transforming latent images into vivid mono-color images. Key to this invention is its conveying system, which transfers mono-color toner images onto a medium with an innovative charge capability that varies between stations.

Additionally, another patent focuses on a developing method utilizing a two-ingredient type developer combining toner grains and magnetic carrier grains. This method ensures high-density and smooth solid image production by facilitating efficient development through a magnet brush technique that manages the deposition of toner grains effectively.

Career Highlights

Chikara Imai is a critical asset at Ricoh Company, Ltd., where he contributes his expertise in the development of advanced printing technologies. His innovative approaches have positioned the company as a leader in the imaging industry, continually pushing the envelope in color image processing.

Collaborations

Throughout his career, Imai has collaborated with notable coworkers, including Susumu Tatsumi and Tadahiro Eda. Together, they have fostered an environment of innovation and creativity, leading to new advancements and improvements in printing technology.

Conclusion

Chikara Imai’s contributions to the field of color image forming technology demonstrate his dedication and inventive spirit. His patents not only enhance the capabilities of image forming apparatuses but also reflect the collaborative effort of talented individuals at Ricoh Company, Ltd. As technology evolves, his work continues to influence the future of printing solutions.

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