Sakai Yokoyama

This inventor holds 28 USPTO granted patents and 1 published patent application, primarily in Ink Jet Technology. Top assignee: Canon Kabushiki Kaisha. Active years: 1992-2014.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Sakai Yokoyama. Retrieved from https://idiyas.com/inventor/sakai-yokoyama

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

USPTO Granted Patents = 28 (Patent Applications = 1)

% Patents Active = 32.1

Average Co-Inventor Count = 6.3

ph-index = 8

Forward Citations = 223(Granted Patents)

Location History:

Isehara, JP (1992)
Kanagawa, JP (2006 - 2009)
Kawasaki, JP (1996 - 2014)

Company Filing History:

28 out of 93,085

Canon Kabushiki Kaisha

patents

Years Active: 1992-2014

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Areas of Expertise:

Ink Jet Head

Manufacturing Method

Substrate

Circuit Board

Liquid Discharge Head

Protective Layer

Corrosion Reduction

Heat Generating Element

28 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 8904639 - Method of producing liquid ejection head (2014-12-09),

2. 8491087 - Circuit board for ink jet head, ink jet head having the same, method for cleaning the head and ink jet printing apparatus using the head (2013-07-23),

3. 8429820 - Method of manufacturing liquid discharge head (2013-04-30),

4. 8129204 - Liquid discharge head substrate, liquid discharge head using the substrate, and manufacturing method therefor (2012-03-06),

5. 8123330 - Circuit board for ink jet head, ink jet head having the same, method for cleaning the head and ink jet printing apparatus using the head (2012-02-28),

6. 8079675 - Ink jet recording head and manufacturing method of ink jet recording head (2011-12-20),

7. 7967421 - Ink jet print head and method for manufacturing ink jet print head (2011-06-28),

8. 7954238 - Method of manufacturing ink jet circuit board with heaters and electrodes constructed to reduce corrosion (2011-06-07),

9. 7950769 - Circuit board for ink jet head, ink jet head having the same, method for cleaning the head and ink jet printing apparatus using the head (2011-05-31),

10. 7862155 - Ink jet head circuit board, method of manufacturing the same and ink jet head using the same (2011-01-04),

11. 7857429 - Ink jet recording head and manufacturing method of ink jet recording head (2010-12-28),

12. 7798595 - Substrate for ink jet printing head, ink jet printing head, ink jet printing apparatus, and method of blowing fuse element of ink jet printing head (2010-09-21),

13. 7712875 - Base member for liquid discharge head, liquid discharge head utilizing the same, and producing method therefor (2010-05-11),

14. 7681993 - Circuit board for ink jet head, method of manufacturing the same, and ink jet head using the same (2010-03-23),

15. 7669981 - Ink jet print head substrate, ink jet print head, ink jet printing apparatus, and method of manufacturing ink jet print head substrate (2010-03-02),

Title: The Legacy of Innovation: Sakai Yokoyama

Introduction:

Sakai Yokoyama, a remarkable inventor hailing from Kawasaki, Japan, has left an indelible mark on the world of inventions with his unwavering dedication and groundbreaking innovations.

Latest Patents:

Yokoyama's latest patents showcase his ingenuity and technical expertise. One of his recent patents includes a method of producing a liquid ejection head, which involves a meticulous process of bonding flow-path-wall members to a resin layer to create precise ejection ports. Another notable patent is for a circuit board designed for ink jet heads, focusing on effectively removing ink "kogations" from heat application portions to ensure optimal performance.

Career Highlights:

Throughout his career at Canon Kabushiki Kaisha, Yokoyama has amassed an impressive portfolio of 28 patents, solidifying his reputation as a pioneering inventor in the field of technology and manufacturing. His innovative approaches to problem-solving have revolutionized the ink jet printing industry, setting new standards for efficiency and reliability.

Collaborations:

Yokoyama's collaborative spirit is evident in his work with esteemed colleagues such as Ichiro Saito and Teruo Ozaki. Together, they have pushed the boundaries of technology, leveraging their collective expertise to develop cutting-edge solutions that have redefined the industry.

Conclusion:

In conclusion, Sakai Yokoyama's remarkable contributions to the world of inventions stand as a testament to his visionary thinking and relentless pursuit of excellence. His innovative spirit continues to inspire future generations of inventors, paving the way for exciting advancements in technology and beyond.

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]

1 patent pending: