Tokyo, Japan

Hiroshi Kubota

This inventor holds 70 USPTO granted patents and 1 published patent application and 18 EPO patents, primarily in Distance Measurement Devices (CPC class G01S). Top assignees: Kabushiki Kaisha Toshiba, Sharp Kabushiki Kaisha Corporation, Toshiba Electronic Devices & Storage Corporation. Active years: 1983-2026.

USPTO Granted Patents = 70 

% Patents Active = 72.9

 

Average Co-Inventor Count = 2.6

ph-index = 13

Forward Citations = 519(Granted Patents)

Forward Citations (Not Self Cited) = 479(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Shizuoka, JP (2000)
  • Yamato-Takada, JP (1992 - 2001)
  • Nara, JP (1999 - 2008)
  • Kawasaki, JP (2008)
  • Yokohama, JP (2005 - 2012)
  • Kadoma, JP (2008 - 2012)
  • Kanagawa-ken, JP (2013)
  • Mie-ken, JP (2014)
  • Toyama, JP (2012 - 2017)
  • Yokkaichi, JP (2017 - 2020)
  • Yokohama Kanagawa, JP (2018 - 2023)
  • Tokyo, JP (1983 - 2024)

Company Filing History:

goldMedal21 out of 53,240 
 
Kabushiki Kaisha Toshiba
 patents
silverMedal20 out of 25,939 
 
Sharp Kabushiki Kaisha Corporation
 patents
bronzeMedal5 out of 1,696 
 
Toshiba Electronic Devices & Storage Corporation
 patents
4. 4 out of 543 
 
Eagle Industry Co., Ltd.
 patents
5. 4 out of 16,454 
 
Panasonic Corporation
 patents
6. 4 out of 13,338 
 
Panasonic Intellectual Property Management Co., Ltd.
 patents
7. 2 out of 145 
 
Kabushiki Kaisha Sega Enterprises
 patents
8. 2 out of 36,653 
 
Nec Corporation
 patents
9. 2 out of 577 
 
Nihon Kohden Corporation
 patents
10. 2 out of 39 
 
Tokyo University of Marine Science and Technology
 patents
11. 1 out of 3,208 
 
Dai Nippon Printing Co., Ltd.
 patents
12. 1 out of 1 
 
Educational Foundation Kyorin Gakuen
 patent
13. 1 out of 128 
 
International Superconductivity Technology Center
 patents
14. 1 out of 122 
 
Kabushiki Kaisha Tec
 patents
15. 1 out of 1 
 
Kawazu Sangyo Kabushiki Kaisha
 patent
16. 1 out of 21,351 
 
Mitsubishi Denki Kabushiki Kaisha
 patents
17. 1 out of 1,102 
 
Nippon Steel Sumitomo Metal Corporation
 patents
18. 1 out of 4,929 
 
Ntt Docomo, Inc.
 patents
19. 1 out of 66 
 
Tohoku Electric Power Company, Inc.
 patents
20. 1 out of 193 
 
Toshiba Corporation
 patents
21. 1 out of 663 
 
Toshiba Lighting & Technology Corporation
 patents
22. 1 out of 2,955 
 
Toshiba Memory Corporation
 patents
where one patent can have more than one assignee

Years Active: 1983-2026

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Areas of Expertise:
Distance Measurement
Photodetector
Semiconductor Manufacturing
Light Detector
Infrared Device
Capacitor
LED Lighting
Image Formation
Fluid Container
Trawl Net
Analog-to-Digital Converter
Optical Device
70 patents (USPTO):Explore Patents

Title: The Innovative Journey of Inventor Hiroshi Kubota

Introduction:

Inventor Hiroshi Kubota, a visionary based in Tokyo, Japan, has significantly contributed to the field of technology with his numerous patents and groundbreaking inventions. With an impressive portfolio of 66 patents, Kubota continues to push the boundaries of innovation in the realm of photodetectors and distance measuring devices.

Latest Patents:

One of Kubota's latest patents involves a cutting-edge photodetector design. This photodetector comprises multiple cells, each equipped to detect light. The intricate design includes light receiving elements, resistors, and switches that enable precise light detection and signal output. The device offers dual output signals based on the received light, enhancing its functional versatility.

Another notable invention by Kubota is a sophisticated distance measuring device. This device utilizes light scattering on the measured object to calculate the distance accurately. With components like an optical detector, sampler, and storage unit, the device captures and processes signals at multiple sampling time points to derive precise distance measurements.

Career Highlights:

Throughout his career, Hiroshi Kubota has made significant contributions to renowned companies such as Sharp and Toshiba. His expertise and innovative spirit have propelled these organizations towards technological advancements and enhanced product offerings. Kubota's dedication to research and development has cemented his reputation as a pioneering inventor in the tech industry.

Collaborations:

Kubota has had the privilege of collaborating with notable professionals in the field, including Hiroki Takeoka and Nobu Matsumoto. These collaborations have led to the exchange of ideas, the fusion of expertise, and the development of cutting-edge technologies that have impacted various industries.

Conclusion:

Inventor Hiroshi Kubota stands as a beacon of innovation in Tokyo, Japan, with his remarkable achievements in patenting and inventing transformative technologies. His relentless pursuit of excellence and collaboration with industry peers continue to drive advancements in photodetection, distance measurement, and beyond. Kubota's legacy as a visionary inventor is sure to inspire future generations of innovators worldwide.

Profile summary based on public USPTO records.
Please report any incorrect information to [email protected]
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