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For the Inventor, By the Inventor

Yokohama, Japan

Tsuguhiro Fukuda

USPTO Granted Patents = 15

Average Co-Inventor Count = 5.7

ph-index = 8

Forward Citations = 540(Granted Patents)


Company Filing History:

goldMedal15 out of 90,594 
 
Canon Kabushiki Kaisha
 patents

Years Active: 1989-2003

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15 patents (USPTO):
1. 6598952 - Liquid jet recording head having controller for controlling temperature distribution (2003-07-29),
2. 6505907 - Recording apparatus having abnormality determination based on temperature and average ejection duty cycle (2003-01-14),
3. 6412920 - Ink jet printing head, ink jet head cartridge and printing apparatus (2002-07-02),
4. 6234599 - Substrate having a built-in temperature detecting element, and ink jet apparatus having the same (2001-05-22),
5. 6113223 - Ink jet recording head with ink chamber having slanted surfaces to aid (2000-09-05),
6. 5534898 - Ink jet head, ink jet apparatus and wiping method therefor (1996-07-09),
7. 5508725 - Ink jet head having trapezoidal ink passages, ink cartridge and (1996-04-16),
8. 5467113 - Ink-jet recording head, board for said head and ink-jet recording (1995-11-14),
9. 5371528 - Liquid jet head with nonlinear liquid passages having a diverging portion (1994-12-06),
10. 5182581 - Ink jet recording unit having an ink tank section containing porous (1993-01-26),
11. 5175565 - Ink jet substrate including plural temperature sensors and heaters (1992-12-29),
12. 5148192 - Liquid jet recording head with nonlinear liquid passages and liquid jet (1992-09-15),
13. 5066964 - Recording head having cooling mechanism therefor (1991-11-19),
14. 4894288 - Thermal transfer material (1990-01-16),
15. 4883379 - Correction sheet and correction method (1989-11-28),

Title: Innovations of Tsuguhiro Fukuda in Liquid Jet Recording Technology

Introduction

Tsuguhiro Fukuda, a prolific inventor based in Yokohama, Japan, has made significant contributions to the field of liquid jet recording technology. With a remarkable portfolio of 15 patents, Fukuda has been instrumental in the development of advanced recording apparatuses that enhance the efficiency and reliability of liquid recording heads.

Latest Patents

Fukuda's latest innovations include a cutting-edge liquid jet recording head that incorporates a controller designed to manage temperature distribution effectively. This innovative recording apparatus functions by ejecting liquid through ejection outlets that align with heat generation elements within the recording head. The inclusion of a heating device allows the recording head to maintain optimal temperatures, while the controller selectively activates heat generating elements to ensure correct temperature distribution, preventing unwanted liquid ejection during temperature correction.

Another notable patent addresses the determination of abnormalities within recording apparatuses based on temperature and average ejection duty cycles. This system includes a temperature change rate detecting device that monitors the recording head's temperature shifts during normal operation. By storing temperature change rate information, the apparatus can determine the average ejection duty cycle from recorded data, enabling a discriminating device to identify abnormalities associated with the recording head.

Career Highlights

Tsuguhiro Fukuda is currently associated with Canon Kabushiki Kaisha, where he has been able to leverage his expertise to pioneer advancements in liquid ink technologies. His dedication to innovation has empowered Canon to remain at the forefront of the printing technology landscape.

Collaborations

Fukuda has collaborated with other esteemed colleagues, including Masami Ikeda and Asao Saito, to push the boundaries of what is possible in liquid recording technology. Their combined efforts have resulted in numerous advancements that continue to shape the industry.

Conclusion

With 15 patents to his name and a commitment to innovation, Tsuguhiro Fukuda represents a vital force in the world of liquid jet recording technology. His latest inventions not only enhance recording efficiency but also set new standards in reliability and performance in the industry. As he continues to work at Canon Kabushiki Kaisha alongside talented coworkers, Fukuda's contributions will undeniably leave a lasting impact on the future of recording technologies.

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