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For the Inventor, By the Inventor

Kanagawa, Japan

Yasuhiko Maeda

This inventor holds 13 USPTO granted patents and 1 published patent application. Top assignee: Fujifilm Corporation. Active years: 2008-2015.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yasuhiko Maeda. Retrieved from https://idiyas.com/inventor/yasuhiko-maeda

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

USPTO Granted Patents = 13 

% Patents Active = 7.7

Average Co-Inventor Count = 1.6

ph-index = 2

Forward Citations = 13(Granted Patents)


Location History:

  • Kanagawa-ken, JP (2010 - 2013)
  • Kanagawa, JP (2008 - 2015)

Company Filing History:

goldMedal13 out of 16,949 
 
Fujifilm Corporation
 patents

Years Active: 2008-2015

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13 patents (USPTO):Explore Patents
1. 8950837 - Sealing sheet, and liquid ejection head and inkjet apparatus using same (2015-02-10),
2. 8579418 - Liquid ejection head and image forming apparatus including liquid ejection head (2013-11-12),
3. 7971973 - Electrical connection structure, liquid ejection head, method of manufacturing same, and image forming apparatus (2011-07-05),
4. 7947328 - Metal pattern forming method (2011-05-24),
5. 7883186 - Liquid ejection head, method of manufacturing liquid ejection head and image forming apparatus (2011-02-08),
6. 7862153 - Electrical wiring structure, liquid ejection head, liquid ejection apparatus and image forming apparatus (2011-01-04),
7. 7819502 - Liquid ejection head and image forming apparatus (2010-10-26),
8. 7694398 - Method of manufacturing a liquid ejection head (2010-04-13),
9. 7669984 - Liquid ejection head, image forming apparatus and liquid supply method for liquid ejection head (2010-03-02),
10. 7645031 - Liquid ejection head, method of manufacturing liquid ejection head, and image forming apparatus (2010-01-12),
11. 7625071 - Liquid ejection head, image forming apparatus and method of manufacturing liquid ejection head (2009-12-01),
12. 7604330 - Liquid ejection head, image forming apparatus and method of manufacturing liquid ejection head (2009-10-20),
13. 7465039 - Liquid ejection head and image forming apparatus (2008-12-16),

Title: Yasuhiko Maeda: Innovator in Liquid Ejection Technology

Introduction

Yasuhiko Maeda is a prominent inventor based in Kanagawa-ken, Japan. He has made significant contributions to the field of liquid ejection technology, holding a total of 13 patents. His innovative work has been instrumental in advancing the capabilities of inkjet apparatuses and sealing technologies.

Latest Patents

Among his latest patents are a sealing sheet and a liquid ejection head and inkjet apparatus utilizing the same. The sealing sheet is designed to prevent liquid leakage, featuring a film member that is impermeable to liquids and covers areas that require sealing. It also includes electrical wires that can detect changes in electrical resistance when in contact with liquids. The liquid ejection head is engineered to eject liquid from nozzles and consists of pressure chambers connected to a common liquid chamber, which is defined by a multi-layer wiring substrate. This innovative design enhances the efficiency and functionality of liquid ejection systems.

Career Highlights

Yasuhiko Maeda is currently associated with Fujifilm Corporation, where he continues to develop cutting-edge technologies. His work has not only contributed to the company's success but has also set new standards in the industry.

Collaborations

Throughout his career, Maeda has collaborated with notable colleagues, including Katsumi Enomoto and Michiaki Murata. These partnerships have fostered a creative environment that has led to numerous advancements in their respective fields.

Conclusion

Yasuhiko Maeda's contributions to liquid ejection technology and sealing solutions highlight his role as a key innovator in the industry. His patents and collaborative efforts continue to influence the development of advanced technologies.

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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