Hiroshi Kita

This inventor holds 146 USPTO granted patents and 11 published patent applications, plus 2 CIPO patents and 37 EPO patents, primarily in Organic Electroluminescent Devices (CPC class C09K11-06). Top assignees: Konica Corporation, Konica-Minolta Holdings, Inc., Canon Kabushiki Kaisha. Active years: 1991-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroshi Kita. Retrieved from https://idiyas.com/inventor/hiroshi-kita

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

USPTO Granted Patents = 146 (Patent Applications = 11)

% Patents Active = 74.0

CIPO Patents = 2 (Patent Applications = 1)

EPO Patents = 37 (Patent Applications = 18)

Average Co-Inventor Count = 3.2

ph-index = 11

Forward Citations = 604(Granted Patents)

Forward Citations (Not Self Cited) = 555(Dec 10, 2025)

Inventors with similar research interests:

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Location History:

Sagamihara, JP (1993)
Hino, JP (1991 - 2010)
Numazu, JP (2011)
Hachoiji, JP (2015)
Tokyo, JP (1993 - 2020)
Hachioji, JP (1991 - 2023)
Mishima, JP (2010 - 2024)
Shizuoka, JP (2023 - 2024)

Company Filing History:

Konica-Minolta Holdings, Inc.

patents

32 out of 92,901

Canon Kabushiki Kaisha

Iatron Laboratories Inc.

patents

7. 2 out of 4

Marumo Electric Co., Ltd.

Nippon Steel Corporation

patents

10. 1 out of 1,102

Nippon Steel Sumitomo Metal Corporation

where one patent can have more than one assignee

Years Active: 1991-2026

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Areas of Expertise:

Organic Electroluminescent Element

Display Device

Image Forming Apparatus

Optical Sensor

Thin Film

Lighting Device

Electronic Device

Resin Composition

Charge-Transporting Film

Iridium Complex

Boron Compound

Dye-Sensitized Solar Cell

146 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12675069 - Image forming apparatus performing image density control based on developer amount (2026-07-07),

2. 12547111 - Image forming apparatus for mounting cartridges of different lifespans (2026-02-10),

3. 12271118 - Image forming apparatus (2025-04-08),

4. 12223374 - Image forming apparatus (2025-02-11),

5. 12072645 - Image forming apparatus configured to generate data for density correction (2024-08-27),

6. 11988973 - Image forming apparatus (2024-05-21),

7. 11789392 - Image forming apparatus (2023-10-17),

8. 11708383 - Organic borane complex, composition containing organic borane, and organic electroluminescent element (2023-07-25),

9. 11674893 - Structure of optical sensor having light-emitting element and light-receiving element (2023-06-13),

10. 11579081 - Structure of optical sensor having light-emitting element and plurality of light-receiving elements (2023-02-14),

11. 11554572 - Desiccant, organic thin film including same, organic layered film in which organic thin film is layered, and electronic device provided therewith (2023-01-17),

12. 11476427 - π-conjugated boron compound, electronic device, and methods respectively for producing triarylborane and intermediate thereof (2022-10-18),

13. 11437590 - Organic electroluminescence element material, organic electroluminescence element, display apparatus and illumination apparatus (2022-09-06),

14. 11329234 - Organic electroluminescent element, display device, lighting device, π-conjugated compound, and light-emitting thin film (2022-05-10),

15. 11287762 - Image forming apparatus and image forming method (2022-03-29),

Title: The Innovative Journey of Inventor Hiroshi Kita

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

Latest Patents: Hiroshi Kita's latest patents focus on advancements in robotics and artificial intelligence, showcasing his commitment to pushing the boundaries of innovation in these fields.

Career Highlights: With a career spanning over two decades, Hiroshi Kita has established himself as a leading figure in the tech industry. His innovative solutions have revolutionized various sectors, earning him recognition and acclaim globally.

Collaborations: Throughout his career, Hiroshi Kita has collaborated with top research institutions, universities, and tech companies to further his inventions. These collaborations have led to the development of cutting-edge technologies that have reshaped industries.

Conclusion: Hiroshi Kita's relentless pursuit of innovation and his passion for creating transformative technologies have solidified his position as a visionary inventor. His contributions continue to inspire future generations of inventors and shape the technological landscape for years to come.

Profile summary based on public USPTO records.