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For the Inventor, By the Inventor

Tokyo, Japan

Katsuhiko Tani

USPTO Granted Patents = 10

Average Co-Inventor Count = 5.0

ph-index = 7

Forward Citations = 108(Granted Patents)


Company Filing History:

goldMedal10 out of 28,544 
 
Ricoh Company, Ltd.
 patents

Years Active: 1993-2009

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10 patents (USPTO):Explore Patents
1. 7507523 - Optical information recording medium, method of manufacturing the optical information recording medium, and method of and apparatus for recording/reproducing optical information (2009-03-24),
2. 7505728 - Lubricant applying unit, process cartridge, image forming apparatus, and image forming method (2009-03-17),
3. 7364781 - Optical recording medium, recording material, method of producing optical recording medium and optical recording, reading and rewriting method (2008-04-29),
4. 7209699 - Lubricant applying unit, process cartridge, image forming apparatus, and image forming method (2007-04-24),
5. 6884487 - Optical recording medium, recording material, method of producing optical recording medium, and optical recording, reading and rewriting method (2005-04-26),
6. 6790592 - Phase-change optical information recording medium (2004-09-14),
7. 6649313 - Photoreceptor, method of evaluating a photoreceptor, and method of producing the photoreceptor (2003-11-18),
8. 6534227 - Photoreceptor, method of evaluating the photoreceptor, method of producing the photoreceptor, and image formation apparatus using the photoreceptor (2003-03-18),
9. 5302230 - Heat treatment by light irradiation (1994-04-12),
10. 5199058 - X-ray monochromator and spectral measurement apparatus using the x-ray (1993-03-30),

Title: Innovations of Katsuhiko Tani

Introduction

Katsuhiko Tani is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of optical information recording. With a total of 10 patents to his name, Tani's work has had a considerable impact on technology and innovation.

Latest Patents

Tani's latest patents include an optical information recording medium and a method of manufacturing this medium. The optical information recording medium is designed to store information indicating a maximum recording linear velocity Vh. It features a substrate with a concentric circular guide groove, which includes land portions and groove portions. A phase change type recording layer is formed on the substrate, ensuring that the dislocation linear velocity V meets specific criteria. Additionally, he has developed a lubricant applying unit, process cartridge, image forming apparatus, and image forming method. This lubricant applying unit utilizes a lubricant composed of metal salt of fatty acid and includes an applying member that applies the lubricant to a subject. The spreading member creates a thin layer of lubricant with a thickness ranging from 8 nanometers to 12 nanometers.

Career Highlights

Katsuhiko Tani is currently associated with Ricoh Company, Ltd., where he continues to innovate and develop new technologies. His work has been instrumental in advancing optical information recording methods and devices.

Collaborations

Tani has collaborated with notable coworkers, including Noriyuki Iwata and Makoto Harigaya. Their combined expertise has contributed to the success of various projects and patents.

Conclusion

Katsuhiko Tani's contributions to the field of optical information recording are noteworthy. His innovative patents and collaborations reflect his dedication to advancing technology. Tani's work continues to influence the industry and inspire future innovations.

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