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For the Inventor, By the Inventor

Kanagawa, Japan

Akira Tsuboyama

This inventor holds 152 USPTO granted patents and 5 published patent applications and 6 EPO patents, primarily in Organic Light Emitting Devices (CPC class 350350S). Top assignee: Canon Kabushiki Kaisha. Active years: 1987-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Akira Tsuboyama. Retrieved from https://idiyas.com/inventor/akira-tsuboyama

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

USPTO Granted Patents = 152 

% Patents Active = 74.3

 

Average Co-Inventor Count = 4.4

ph-index = 31

Forward Citations = 3,788(Granted Patents)

Forward Citations (Not Self Cited) = 3,514(Dec 10, 2025)


Inventors with similar research interests:

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Location History:

  • Segamihara, JP (1988)
  • Sagamiohara, JP (1998)
  • Atsugi, JP (1994 - 2004)
  • Ohta-Ku, JP (2004)
  • Kanagawa, JP (2004 - 2009)
  • Tokyo, JP (1987 - 2011)
  • Kanagawa-ken, JP (2004 - 2011)
  • Sagamihara, JP (1990 - 2014)
  • Machida, JP (2010 - 2023)

Company Filing History:

goldMedal152 out of 92,994 
 
Canon Kabushiki Kaisha
 patents

Years Active: 1987-2025

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Areas of Expertise:
Organic Light Emitting Device
Luminescent Material
Display Apparatus
Phosphorescent Material
OLED
Dopants
Polymeric Compound
Imaging Apparatus
Electronic Apparatus
Ceramic Shaping
Gas Detection Sensor
Metal Coordination Compound
152 patents (USPTO):Explore Patents
1. 12441750 - Organic metal complex, organic light-emitting device including the same, display apparatus, imaging apparatus, electronic apparatus, illumination apparatus, and moving object (2025-10-14),
2. 11686698 - Reducing gas detection material and reducing gas detection sensor (2023-06-27),
3. 11285661 - Powder for ceramic shaping and ceramic shaping method using the same (2022-03-29),
4. 8920943 - Luminescence device and display apparatus (2014-12-30),
5. 8080322 - Light emitting device having high luminous efficiency and high stability (2011-12-20),
6. 8076841 - Organic electroluminescent display apparatus (2011-12-13),
7. 8076681 - White organic electroluminescent device (2011-12-13),
8. 8067099 - Phosphorescent material, and organic electroluminescent device and image display apparatus using same (2011-11-29),
9. 8007925 - Organic electroluminescence device and display apparatus (2011-08-30),
10. 7928650 - Organic EL display apparatus (2011-04-19),
11. 7910227 - Light emitting device having dopants in a light emitting layer (2011-03-22),
12. 7875366 - Luminescent device (2011-01-25),
13. 7834135 - Light emitting device and polymeric mixed-metal complex (2010-11-16),
14. 7808175 - Light emitting material and light emitting device (2010-10-05),
15. 7790299 - Light emitting device having dopants in a light emitting layer (2010-09-07),

Title: Akira Tsuboyama: Innovating with Patents in Kanagawa, JP

Introduction:

Akira Tsuboyama is an inventive mind hailing from Kanagawa, Japan. With a remarkable track record in patents, Tsuboyama has contributed significantly to the field of reducing gas detection and ceramic shaping. This article delves into his latest patents, notable career highlights, and collaborations, highlighting his valuable contributions to the world of innovation.

Latest Patents:

Tsuboyama's recent patents exemplify his expertise in reducing gas detection and ceramic shaping. One of his latest innovations is the "Reducing Gas Detection Material and Reducing Gas Detection Sensor." This patent introduces a sensor with improved sensitivity compared to conventional methods, while also decreasing power consumption. The invention utilizes a reducing gas detection material incorporating a palladium compound and a carbon compound, along with a unit for measuring its conductivity.

Another notable patent is the "Powder for Ceramic Shaping and Ceramic Shaping Method Using the Same." This invention focuses on developing a powder for ceramic shaping that employs inorganic compound particles coated with an organic compound. The organic compound's absorption band overlaps with the wavelength of a laser beam, allowing for sequential melting and solidification processes when irradiated with the laser beam. This innovation has significant implications for advancing ceramic shaping techniques.

Career Highlights:

Tsuboyama has an impressive portfolio, with over 151 patents to his name. His commitment to research and development led him to work at Canon Inc. Based in Japan, Canon Inc. is a renowned multinational corporation specializing in imaging and optical products, ranging from cameras to printers. Within the company, Tsuboyama's contributions have become integral to their innovations in various fields.

Collaborations:

In his pursuit of progress, Tsuboyama has collaborated with fellow inventors within Canon Inc. Among his notable coworkers are Shinjiro Okada and Takao Takiguchi. This collaborative environment fosters the exchange of ideas, leading to groundbreaking developments in cutting-edge technologies.

Conclusion:

Akira Tsuboyama's impressive patent record and contributions to the fields of reducing gas detection and ceramic shaping underline his passion for innovation. His dedication to refining existing technologies and pushing the boundaries of what is possible have earned him recognition within Canon Inc. and beyond. Tsuboyama's patents continue to inspire and shape the future of these industries, demonstrating his invaluable role as an inventive force in Kanagawa, Japan.

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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