Naoto Hirosaki

Tsukuba, Japan

Naoto Hirosaki

USPTO Granted Patents = 103 

 

Average Co-Inventor Count = 2.1

ph-index = 11

Forward Citations = 578(Granted Patents)

Forward Citations (Not Self Cited) = 489(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Yokohama, JP (1989 - 1996)
  • Tsubuka, JP (2013)
  • Tsukaba, JP (2016)
  • Tsukuba, JP (2007 - 2023)
  • Ibaraki, JP (2003 - 2024)

Company Filing History:

goldMedal85 out of 549 
 
National Institute for Materials Science
 patents
silverMedal16 out of 2,347 
 
Mitsubishi Chemical Corporation
 patents
bronzeMedal9 out of 25,537 
 
Sharp Kabushiki Kaisha Corporation
 patents
48 out of 1,801 
 
Fujikura Limited
 patents
57 out of 13,398 
 
Nissan Motor Company Limited
 patents
66 out of 11 
 
Independent Administrative Institution National Institute for Materials Science
 patents
76 out of 3,080 
 
Nichia Corporation
 patents
85 out of 354 
 
Denka Company Limited
 patents
94 out of 47 
 
National Institute for Research in Inorganic Materials
 patents
104 out of 608 
 
Citizen Electronics Co., Ltd.
 patents
112 out of 1,960 
 
Showa Denko K.k.
 patents
122 out of 475 
 
Denki Kagaku Kogyo Kabushiki Kaisha
 patents
131 out of 224 
 
Futaba Corporation
 patents
141 out of 5 
 
National Institute of Materials Science
 patents
151 out of 1,711 
 
National Institute of Advanced Industrial Science and Technology
 patents
161 out of 49 
 
Phoenix Electric Co., Ltd.
 patents
171 out of 6,893 
 
Sumitomo Chemical Company, Limited
 patents
where one patent can have more than one assignee

Years Active: 1989-2025

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Areas of Expertise:
Phosphor
Light-Emitting Device
Illumination Device
Image Display Device
Fluorescent Material
Wavelength Converting Member
Luminescent Device
Manufacturing Method
Inorganic Phosphor
Fluorophore
Indicator Lamp
Lighting Fixture
103 patents (USPTO):Explore Patents

Title: The Innovative Journey of Naoto Hirosaki

Introduction: Naoto Hirosaki is a pioneering inventor based in Tsukuba, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Naoto Hirosaki holds several patents in the areas of LED technology, semiconductor devices, and energy-efficient lighting solutions, showcasing his continuous dedication to pushing the boundaries of technological advancements.

Career Highlights: With a career spanning over two decades, Naoto Hirosaki has worked tirelessly to develop cutting-edge solutions that have revolutionized the way we perceive and utilize lighting technology. His innovative approaches have earned him recognition as a leading figure in the industry.

Collaborations: Throughout his career, Naoto Hirosaki has collaborated with various research institutions, universities, and technology companies to further enhance his inventions and bring them to the market. His collaborative efforts have led to the development of products that have had a significant impact on the industry.

Conclusion: Naoto Hirosaki's relentless pursuit of innovation and his passion for creating transformative technologies have solidified his position as a visionary inventor in the field of LED technology and lighting solutions. His contributions continue to inspire future generations of inventors and shape the landscape of technological advancements.

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