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For the Inventor, By the Inventor

Kawasaki, Japan

Shigeaki Tanaka

This inventor holds 11 USPTO granted patents. Top assignee: Canon Kabushiki Kaisha. Active years: 1992-2001.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shigeaki Tanaka. Retrieved from https://idiyas.com/inventor/shigeaki-tanaka-dnc7oiw1

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

Calculating rank
USPTO Granted Patents = 11

% Patents Active = 100.0

Average Co-Inventor Count = 12.2

ph-index = 8

Forward Citations = 190(Granted Patents)


Company Filing History:

goldMedal11 out of 93,258 
 
Canon Kabushiki Kaisha
 patents

Years Active: 1992-2001

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11 patents (USPTO):Explore Patents
1. 6290344 - Vented ink container with internal ink absorber, and ink cartridge having such an ink container (2001-09-18),
2. 6260962 - Liquid jetting device having a mechanism for introducing a bubble into a liquid chamber and recording apparatus using the device (2001-07-17),
3. 6113223 - Ink jet recording head with ink chamber having slanted surfaces to aid (2000-09-05),
4. 5841455 - Ink container for ink jet recording having two different ink absorbing (1998-11-24),
5. 5623287 - Ink container with a controlled ink distribution therein, and method of (1997-04-22),
6. 5621446 - Method of filling an ink container (1997-04-15),
7. 5508725 - Ink jet head having trapezoidal ink passages, ink cartridge and (1996-04-16),
8. 5371528 - Liquid jet head with nonlinear liquid passages having a diverging portion (1994-12-06),
9. 5280299 - Ink filling method for ink jet recording apparatus (1994-01-18),
10. 5237342 - Ink jet head and ink jet recording apparatus having an ink container (1993-08-17),
11. 5148192 - Liquid jet recording head with nonlinear liquid passages and liquid jet (1992-09-15),

Title: Shigeaki Tanaka: Pioneering Innovations in Ink Technology

Introduction: Shigeaki Tanaka, a prolific inventor based in Kawasaki, Japan, has made significant contributions to the field of ink technology with a total of 11 patents to his name. His inventive spirit and dedication to pushing the boundaries of traditional ink containers and cartridges have garnered him recognition in the industry.

Latest Patents: Tanaka's latest patents showcase his ingenuity in designing innovative ink containers and cartridges. One of his groundbreaking inventions is the "Vented ink container with internal ink absorber," which features an ink-absorbing material within a casing, effectively regulating ink flow and preventing surface contact to improve overall ink supply efficiency. Another notable patent is the "Liquid jetting device having a mechanism for introducing a bubble into a liquid chamber," which introduces a non-disappearable air bubble to act as a buffer during liquid ejection, enhancing the precision and quality of printing.

Career Highlights: Currently employed at Canon Kabushiki Kaisha, known simply as Canon, Tanaka has established himself as a key figure in the company's research and development division. His expertise in ink technology has led to the successful implementation of several patented innovations, setting new standards in the printing industry.

Collaborations: Tanaka has collaborated with esteemed colleagues such as Masami Ikeda and Masaaki Izumida, both of whom have contributed their expertise to the various projects led by Tanaka. Together, they have combined their knowledge and skills to drive forward groundbreaking advancements in ink technology, solidifying their position as pioneers in the field.

Conclusion: Shigeaki Tanaka's passion for innovation and relentless pursuit of excellence have positioned him as a visionary inventor in the realm of ink technology. Through his patented inventions and collaborative efforts, Tanaka continues to revolutionize the printing industry, leaving a lasting impact on the way ink is utilized in various 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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