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For the Inventor, By the Inventor

Kanagawa, Japan

Taku Hatakeyama

This inventor holds 13 USPTO granted patents, primarily in Liquid Discharge Technology. Top assignee: Ricoh Company, Ltd.. Active years: 2019-2023.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Taku Hatakeyama. Retrieved from https://idiyas.com/inventor/taku-hatakeyama

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

Calculating rank
USPTO Granted Patents = 13

% Patents Active = 100.0

Average Co-Inventor Count = 4.0

ph-index = 1

Forward Citations = 4(Granted Patents)


Company Filing History:

goldMedal13 out of 28,977 
 
Ricoh Company, Ltd.
 patents

Years Active: 2019-2023

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Areas of Expertise:
Liquid Surface Imaging
Image Forming
Liquid Discharging
Wiping Device
Head Maintenance
Ink Set
Head Cleaner
Liquid Discharge Apparatus
13 patents (USPTO):Explore Patents
1. 11761973 - Liquid surface imaging device and liquid discharge apparatus (2023-09-19),
2. 11511551 - Image forming apparatus (2022-11-29),
3. 11472194 - Liquid discharging device (2022-10-18),
4. 11458731 - Image forming apparatus (2022-10-04),
5. 11427016 - Liquid discharge apparatus (2022-08-30),
6. 11267249 - Wiping device, head maintenance device, and liquid discharge apparatus (2022-03-08),
7. 10953680 - Liquid discharge apparatus (2021-03-23),
8. 10843488 - Liquid discharging device (2020-11-24),
9. 10807378 - Ink set and image forming device (2020-10-20),
10. 10696069 - Liquid discharge apparatus (2020-06-30),
11. 10654292 - Liquid discharge apparatus (2020-05-19),
12. 10618331 - Ink set and image forming device (2020-04-14),
13. 10350895 - Head cleaner and liquid discharge apparatus (2019-07-16),

Title: Taku Hatakeyama: Innovator in Liquid Imaging Technology

Introduction

Taku Hatakeyama is a prominent inventor based in Kanagawa, Japan. He has made significant contributions to the field of liquid imaging technology, holding a total of 13 patents. His work focuses on developing advanced devices that enhance the precision and efficiency of liquid discharge processes.

Latest Patents

Among his latest innovations are the liquid surface imaging device and the image forming apparatus. The liquid surface imaging device features an irradiator with multiple lightings designed to illuminate a liquid surface in a nozzle of a liquid discharge head. This device is equipped with an imaging component that captures the liquid surface, with the lightings arranged symmetrically around the center of the irradiator. The image forming apparatus utilizes ink with a dynamic surface tension ranging from 30 to 50 mN/m, specifically designed for fabrics that contain both synthetic and natural fibers. This apparatus ensures that the distance between consecutive droplets of ink varies depending on the type of fabric being used.

Career Highlights

Taku Hatakeyama is currently employed at Ricoh Company, Ltd., where he continues to push the boundaries of liquid imaging technology. His work has been instrumental in developing solutions that cater to the evolving needs of various industries.

Collaborations

Throughout his career, Taku has collaborated with notable colleagues, including Takashi Watanabe and Satoyuki Sekiguchi. These partnerships have fostered innovation and have contributed to the successful development of his patented technologies.

Conclusion

Taku Hatakeyama's contributions to liquid imaging technology exemplify his dedication to innovation and excellence. His patents reflect a commitment to advancing the field and improving the efficiency of liquid discharge applications.

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]
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