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Hiroki Iwanaga

This inventor holds 35 USPTO granted patents and 4 published patent applications and 1 EPO patent, primarily in Fluorescent Materials. Top assignees: Kabushiki Kaisha Toshiba, Toshiba Infrastructure Systems & Solutions Corporation, Toshiba Tec Kabushiki Kaisha. Active years: 1998-2025.

USPTO Granted Patents = 35 (Patent Applications = 4)

% Patents Active = 71.4

EPO Patents = 1

Average Co-Inventor Count = 2.8

ph-index = 8

Forward Citations = 275(Granted Patents)

Location History:

Kanagawa-ken, JP (2003 - 2004)
Kanagawa, JP (2015 - 2016)
Yokohama Kanagawa, JP (2019 - 2020)
Yokohama, JP (1998 - 2023)

Company Filing History:

35 out of 53,226

Kabushiki Kaisha Toshiba

patents

3 out of 282

Toshiba Infrastructure Systems & Solutions Corporation

patents

2 out of 6,285

Toshiba Tec Kabushiki Kaisha

patents

where one patent can have more than one assignee

Years Active: 1998-2025

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Areas of Expertise:

Fluorescent Complex

Solar Cell

Liquid Crystal Display

Light Emitting Device

Rare Earth Metal

Nonaqueous Electrolyte Battery

Luminous Material

Coloring Material

Security Medium

Lighting Device

Organic Compound

Electrophoresis Display

35 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12486453 - Rare earth complex-containing composition and fluorescent penetrant inspection method using same (2025-12-02),

2. 12183858 - Light wavelength conversion medium and composition for forming light wavelength conversion medium (2024-12-31),

3. 12122950 - Fluorescent rare earth complex and security medium using the same (2024-10-22),

4. 11702591 - Fluorescent rare earth complex and security medium using the same (2023-07-18),

5. 10697950 - Fluorescent compound, fluorescent compound mixture, freshness marker, freshness label, and sensing system (2020-06-30),

6. 10629952 - Nonaqueous electrolyte battery, battery pack, and vehicle (2020-04-21),

7. 10444214 - Fluorescent compound, fluorescent compound mixture, freshness marker, freshness label, and sensing system (2019-10-15),

8. 9353310 - Luminous material using fluorescence amorphous solid (2016-05-31),

9. 9296848 - Polymer material, solar cell using the same, and solar photovoltaic generation system (2016-03-29),

10. 8969718 - Organic compound and solar cell using the same (2015-03-03),

11. 8907207 - Solar cell module (2014-12-09),

12. 8173271 - Fluorescent rare earth complex, and light-emitting element, security medium and lighting device using the same (2012-05-08),

13. 8107807 - Lighting device, image pickup apparatus and portable terminal unit (2012-01-31),

14. 8080173 - Fluorescent substance containing rare earth metal, luminous composition comprising the same, process for manufacturing thereof, and light-emitting element comprising the fluorescent substance (2011-12-20),

15. 7960909 - Light-emitting device, method for producing the same and fluorescent device (2011-06-14),

Title: Hiroki Iwanaga: Pioneering Inventor from Yokohama

Introduction: Hiroki Iwanaga is a renowned inventor hailing from Yokohama, Japan, known for his groundbreaking contributions to various technological fields.

Latest Patents: Hiroki Iwanaga holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his innovative spirit and forward-thinking approach.

Career Highlights: With a career spanning over two decades, Hiroki Iwanaga has worked with leading research institutions and tech companies, spearheading projects that have revolutionized industries and improved the quality of life for many.

Collaborations: Throughout his career, Hiroki Iwanaga has collaborated with top engineers, scientists, and designers from around the world, fostering a culture of innovation and excellence in all his projects.

Conclusion: Hiroki Iwanaga's passion for innovation and his relentless pursuit of technological advancement continue to inspire the next generation of inventors and shape the future of technology.

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