Yokohama, Japan

Yasuo Kotaki

This inventor holds 199 USPTO granted patents and 5 published patent applications, plus 4 CIPO patents and 26 EPO patents, primarily in Ink Cartridge Technology (CPC class D18 56). Top assignees: Canon Kabushiki Kaisha, Other. Active years: 1992-2024.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yasuo Kotaki. Retrieved from https://idiyas.com/inventor/yasuo-kotaki

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

USPTO Granted Patents = 199 

% Patents Active = 79.4


 

Average Co-Inventor Count = 4.8

ph-index = 33

Forward Citations = 3,873(Granted Patents)

Forward Citations (Not Self Cited) = 2,190(Dec 10, 2025)


Inventors with similar research interests:

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Location History:

  • Yokohami, JP (2002)
  • Kanagawa-ken, JP (2003 - 2006)
  • Midori-ku, JP (2007)
  • Machida, JP (1996 - 2008)
  • Kawasaki, JP (1992 - 2011)
  • Tokyo, JP (1996 - 2020)
  • Yokohama, JP (1993 - 2023)
  • Kanagawa, JP (2003 - 2023)

Company Filing History:

goldMedal195 out of 92,901 
 
Canon Kabushiki Kaisha
 patents
silverMedal1 out of 834,453 
Other
 patents
where one patent can have more than one assignee

Years Active: 1992-2024

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Areas of Expertise:
Ink Cartridge
Liquid Container
Ink Jet Printer
Ink Tank
Liquid Ejecting Device
Recording Apparatus
Blow Bottle
Sealing Member
Liquid Storage Unit
Nozzle Cap
Air Communication Passage
Ink Leakage Reduction
199 patents (USPTO):Explore Patents

Title: Yasuo Kotaki: Prolific Inventor and Innovator in Yokohama

Introduction:

Yasuo Kotaki, a skilled inventor hailing from Yokohama, Japan, has made significant contributions to the field of technology through his numerous patents. With a remarkable repertoire of 135 patents to his name, Kotaki's inventive prowess has propelled advancements in various industries. This article delves into some of his latest patents, career highlights, and collaborations with notable colleagues.

Latest Patents:

Yasuo Kotaki's most recent patents showcase his commitment to creating innovative solutions. Two notable patents include:

1. Member including pad electrode, ink cartridge and recording apparatus: This invention comprises a member with multiple pad electrodes and a rotatable casing. The pad electrodes, mounted on the casing, can rotate relative to it. This design allows for enhanced flexibility and functionality in printing or recording apparatuses.

2. Member including pad electrode, ink cartridge, recording apparatus: This invention features a member that can be attached to an ink receiving tube and multiple electrical connecting portions included in a mounting portion. The member consists of three portions connected to each other, with pad electrodes for electrical connection. The design facilitates ease of use and efficient electrical connectivity.

Career Highlights:

Throughout his career, Yasuo Kotaki has made notable contributions to several prominent companies. He has worked with Canon Inc., a renowned multinational corporation specializing in imaging and optical products. Kotaki's inventive spirit and dedication to technological advancements have greatly benefited Canon's product development initiatives, enabling them to deliver cutting-edge solutions to their customers.

Collaborations:

Kotaki's collaborative ventures with fellow inventors have proven instrumental in generating groundbreaking ideas. Notably, he has worked alongside esteemed individuals such as Tetsuya Ohashi and Ryoji Inoue. These collaborations have fostered an environment of knowledge exchange and synergy, leading to the development of innovative technologies that have garnered international recognition.

Conclusion:

Yasuo Kotaki's exceptional talent as an inventor and his numerous patents affirm his commitment to advancing technological innovations. With his latest patents enhancing the functionality of pad electrode and ink cartridge designs, he continues to shape the landscape of various industries. Kotaki's collaborations with notable colleagues further exemplify his collaborative spirit and dedication to progressive research and development. Through his contributions, Yokohama's technology scene has benefitted significantly, solidifying Kotaki's position as a respected figure in the field of patents and inventions.

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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