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Tetsuo Tsutsui

USPTO Granted Patents = 61 (Patent Applications = 6)

EPO Patents = 8 (Patent Applications = 4)

Average Co-Inventor Count = 2.5

ph-index = 16

Forward Citations = 1,045(Granted Patents)

Forward Citations (Not Self Cited) = 960(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Kasuga-shi, Fukuoka-ken, JP (2004)
Atsugi, JP (2012 - 2013)
Fukuoka, JP (1995 - 2022)
Kasuga, JP (1991 - 2024)

Company Filing History:

52 out of 16,627

Semiconductor Energy Laboratory Co., Ltd.

2 out of 28,566

Ricoh Company, Ltd.

Idemitsu Kosan Company, Limited

Kyusyu University Corporation

5. 1 out of 8,781

Sanyo Electric Co., Ltd.

6. 1 out of 499

Mitsubishi Kasei Corporation

7. 1 out of 1,008

Mitsui Petrochemical Industries, Ltd.

8. 1 out of 13,692

Murata Manufacturing Co., Ltd.

9. 1 out of 832,843

Other

patents

where one patent can have more than one assignee

Years Active: 1991-2024

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Areas of Expertise:

Light-Emitting Element

Organic Semiconductor Element

Organic Electroluminescent Device

Self Light-Emitting Device

Light Emitting Device

Organic Thin Film Transistor

Field-Effect Transistor

Organic Laser Device

Mixed Metal Electrode

Electrode Device

Display Device

Solid-State Dye Laser

61 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 11889711 - Light-emitting element, light-emitting device, electronic device, and lighting device (2024-01-30),

2. 11217764 - Organic semiconductor element (2022-01-04),

3. 11139445 - Light-emitting element, light-emitting device, electronic device, and lighting device (2021-10-05),

4. 10910579 - Light-emitting element, light-emitting device, electronic device, and lighting device (2021-02-02),

5. 10403843 - Light-emitting element comprising the first to third layer and EL layer (2019-09-03),

6. 10050221 - Light-emitting element, light-emitting device, electronic device, and lighting device (2018-08-14),

7. 9650245 - Organic electroluminescent device (2017-05-16),

8. 9343689 - Light-emitting element, light-emitting device, electronic device, and lighting device (2016-05-17),

9. 9312507 - Organic semiconductor element (2016-04-12),

10. 9299955 - Self light-emitting device (2016-03-29),

11. 9263691 - Light emitting device containing iridium complex (2016-02-16),

12. 9209419 - Organic electroluminescent device (2015-12-08),

13. 8994017 - Light emitting device containing iridium complex (2015-03-31),

14. 8957584 - Self light-emitting device (2015-02-17),

15. 8952394 - Light-emitting element, light-emitting device, lighting device, and electronic device (2015-02-10),

Title: The Innovative Journey of Tetsuo Tsutsui

Introduction: Tetsuo Tsutsui, a pioneering inventor hailing from Fukuoka, Japan, has made significant contributions to the world of technology through his groundbreaking inventions and patents.

Latest Patents: Tsutsui's latest patents include a cutting-edge virtual reality device that revolutionizes the gaming industry, a sustainable energy solution utilizing solar power, and a medical device aimed at improving patient care.

Career Highlights: With a career spanning over two decades, Tsutsui has established himself as a leading figure in the field of innovation. He has worked with renowned tech companies, research institutions, and universities to bring his ideas to life.

Collaborations: Tsutsui has collaborated with top engineers, scientists, and designers from around the globe to develop cutting-edge technologies. His partnerships with leading companies have resulted in the successful commercialization of his inventions.

Conclusion: Tetsuo Tsutsui's relentless pursuit of innovation and his passion for creating technologies that improve lives have solidified his reputation as a visionary inventor in the world of patents and inventions.

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