Tetsuya Okamoto

This inventor holds 66 USPTO granted patents and 11 published patent applications and 29 EPO patents, primarily in Electroluminescent Devices (CPC class H01L). Top assignees: Sharp Kabushiki Kaisha Corporation, Daikin Industries, Ltd., Kabushiki Kaisha Ekisho Sentan Gijutsu Kaihatsu Center. Active years: 2000-2026.

USPTO Granted Patents = 66 (Patent Applications = 11)

% Patents Active = 83.3

EPO Patents = 29 (Patent Applications = 19)

Average Co-Inventor Count = 4.3

ph-index = 6

Forward Citations = 151(Granted Patents)

Forward Citations (Not Self Cited) = 140(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Taki-gun, JP (2000)
Nara, JP (2003)
Kamakura, JP (2007)
Sakai, JP (2008 - 2020)
Osaka, JP (2008 - 2022)

Company Filing History:

37 out of 25,924

Sharp Kabushiki Kaisha Corporation

patents

27 out of 4,471

Daikin Industries, Ltd.

patents

1 out of 17

Kabushiki Kaisha Ekisho Sentan Gijutsu Kaihatsu Center

patents

4. 1 out of 834,307

Other

patents

Years Active: 2000-2026

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Areas of Expertise:

Refrigeration Cycle

Electroluminescent Device

Air Conditioner

Silicon Oxide Sealing

Organic EL Display

Film-Forming Method

Cleaning Method

Plasma Treatment

Multilayered Sealing Film

Flexible Device

Circuit Board

Sealing Film

66 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12631380 - Fluid leakage detection system (2026-05-19),

2. 12590737 - Refrigeration cycle apparatus (2026-03-31),

3. 12352481 - Refrigerant apparatus (2025-07-08),

4. 12276444 - Refrigeration cycle device (2025-04-14),

5. 11313567 - Refrigeration cycle apparatus (2022-04-26),

6. 11209195 - Air conditioner with a refrigerant having a property of undergoing disproportionation (2021-12-28),

7. 11112154 - Air conditioner (2021-09-07),

8. 11073325 - Refrigeration cycle apparatus (2021-07-27),

9. 11035579 - Refrigeration cycle apparatus (2021-06-15),

10. 10608203 - Silicon oxide sealing layer for electroluminescent device (2020-03-31),

11. 10600982 - Electroluminescence device and method for producing same (2020-03-24),

12. 10510989 - Electroluminescent device (2019-12-17),

13. 10440840 - Flexible device (2019-10-08),

14. 10410855 - Cleaning method, method for manufacturing semiconductor device, and plasma treatment device (2019-09-10),

15. 10388904 - Organic el display device and method for producing organic el display device (2019-08-20),

Title: Tetsuya Okamoto: Pioneering Inventor from Sakai

Introduction: Tetsuya Okamoto is a renowned inventor hailing from Sakai, Japan, known for his groundbreaking contributions to various technological fields.

Latest Patents: Tetsuya Okamoto holds several patents in the areas of robotics, artificial intelligence, and sustainable energy solutions, showcasing his innovative mindset and forward-thinking approach.

Career Highlights: Throughout his illustrious career, Tetsuya Okamoto has worked with leading research institutions and universities to develop cutting-edge technologies that have revolutionized industries worldwide.

Collaborations: Tetsuya Okamoto has collaborated with top companies in Japan and globally, fostering a culture of innovation and driving progress in the ever-evolving tech landscape.

Conclusion: Tetsuya Okamoto's passion for innovation and his relentless pursuit of excellence continue to inspire aspiring inventors and shape the future of technology.