Company Filing History:

20 out of 28,544

Ricoh Company, Ltd.

Years Active: 1997-2012

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27 patents (USPTO):Sort by Forward Citations

Abstract keywords

1. 8137883 - Toner, developer, image forming method, image forming apparatus, process cartridge, and toner container (2012-03-20),

2. 8124308 - Toner, vessel with the toner, developer, image forming apparatus and process cartridge and image forming method (2012-02-28),

3. 8034524 - Toner and image forming method using the toner (2011-10-11),

4. 8026031 - Toner, vessel with the toner, developer, image forming apparatus and process cartridge and image forming method (2011-09-27),

5. 8007977 - Toner and image forming method using the toner (2011-08-30),

6. 7989131 - Toner, developer, image forming method, image forming apparatus, process cartridge, and toner container (2011-08-02),

7. 7932007 - Toner and method for producing the same, and image-forming method using the same (2011-04-26),

8. 7820350 - Toner, developer, toner container, process cartridge, image forming apparatus, and image forming method (2010-10-26),

9. 7695883 - Toner and developer, toner container, process cartridge, image forming apparatus, and image forming method using the same (2010-04-13),

10. 7670741 - Toner (2010-03-02),

11. 7666563 - Toner and developer using the toner (2010-02-23),

12. 7550245 - Toner and production method of the same, and image forming method (2009-06-23),

13. 7531279 - Toner manufacturing method, toner and developer (2009-05-12),

14. 7504188 - Toner and developer, toner container, process cartridge, image forming apparatus, and image forming method using the same (2009-03-17),

15. 7483697 - System for managing mobile node in mobile network (2009-01-27),

Title: The Innovations of Masahiro Ohki: A Pioneer in Toner Technology

Introduction: Masahiro Ohki, an accomplished inventor based in Numazu, Japan, has made significant contributions to the field of imaging technology with a remarkable portfolio of 20 patents. His innovative designs and methods have enhanced the capabilities of toner and image forming technologies, making him a revered figure in the industry.

Latest Patents: Masahiro Ohki's latest patents include advanced formulations and processes for toners and developers. His notable inventions encompass a toner that incorporates a binder resin and a wax with specific properties, allowing for high-quality image production. One of the key innovations is the use of Fourier transform infrared spectroscopy attenuated total reflectance (FTIR-ATR) to determine wax content, ensuring optimal performance at melting points between 50 to 90°C. Another significant patent details a production method for toner that combines granulation techniques with a water-based medium, promoting excellent cleaning and fixing properties at low temperatures, while achieving high image quality.

Career Highlights: Ohki is currently employed at Ricoh Company, Ltd., a leading organization in imaging and electronics. Throughout his tenure, he has consistently pushed the boundaries of toner technology, contributing to the development of products that meet the evolving needs of the market.

Collaborations: Masahiro Ohki has worked alongside talented colleagues, including Masahide Yamada and Naohiro Watanabe. Their collaborative efforts have led to remarkable advancements in toner and image forming systems, showcasing the power of teamwork in driving innovation.

Conclusion: In summary, Masahiro Ohki's inventive spirit and dedication to enhancing toner technology have left a lasting impact on the industry. With a solid foundation of patents and collaborative achievements, he continues to inspire future innovations in imaging technology. His work exemplifies the importance of creativity and technical expertise in developing effective solutions for modern challenges.

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4 patents (EPO):

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Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.