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For the Inventor, By the Inventor

Tokyo, Japan

Hirokazu Ishii

USPTO Granted Patents = 81 

 

Average Co-Inventor Count = 2.2

ph-index = 10

Forward Citations = 418(Granted Patents)

Forward Citations (Not Self Cited) = 227(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Akabane-nishi, JP (1998)
  • Minamiashigara, JP (2011)
  • Kawasaki, JP (2012 - 2013)
  • Yokohama, JP (2011 - 2014)
  • Kanagawa, JP (2008 - 2022)
  • Tokyo, JP (1996 - 2023)
  • Chofu, JP (2013 - 2023)

Company Filing History:

goldMedal51 out of 28,566 
 
Ricoh Company, Ltd.
 patents
silverMedal27 out of 90,697 
 
Canon Kabushiki Kaisha
 patents
bronzeMedal2 out of 42,496 
 
Hitachi, Ltd.
 patents
4. 1 out of 239 
 
Japan Aerospace Exploration Agency
 patents
5. 1 out of 66 
 
Hitachi Computer Peripherals Co., Ltd.
 patents
where one patent can have more than one assignee

Years Active: 1996-2023

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Areas of Expertise:
Image Capturing Apparatus
Focus Detection Device
Image Forming Apparatus
Information Processing Apparatus
Storage System
Lens Driving Control Apparatus
Transfer Bias Control
Image Processing Apparatus
Camera System
Multi-AF Frame
Recording Medium
Queue Control Method
81 patents (USPTO):Explore Patents
1. 11838628 - Image capturing apparatus, control method therefor, and storage medium (2023-12-05),
2. 11653091 - Focus detecting apparatus and method using multi-AF frame, and image pickup apparatus (2023-05-16),
3. 11568521 - Apparatus, method thereof, and recording medium (2023-01-31),
4. 11425297 - Image capturing apparatus and control method thereof (2022-08-23),
5. 11412129 - Image capturing apparatus, control method therefor, and storage medium (2022-08-09),
6. 11301188 - Information processing apparatus, information processing method, and printing apparatus (2022-04-12),
7. 11237770 - Storage system and queue control method of storage system (2022-02-01),
8. 10986261 - Image capturing apparatus and control method thereof (2021-04-20),
9. 10523860 - Focus detection device, control method thereof, and image capture apparatus (2019-12-31),
10. 10462352 - Focus detection apparatus and image pickup apparatus (2019-10-29),
11. 10295948 - Image forming apparatus (2019-05-21),
12. 10281848 - Image forming apparatus and image forming method (2019-05-07),
13. 10185255 - Image forming apparatus and image forming method for controlling a secondary transfer bias according to recording sheet type (2019-01-22),
14. 10073386 - Image forming apparatus (2018-09-11),
15. 10067454 - Image forming apparatus (2018-09-04),

Title: Hirokazu Ishii: Pioneering Inventor from Tokyo

Introduction: Hirokazu Ishii is a renowned inventor hailing from Tokyo, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Hirokazu Ishii holds several patents in the areas of robotics, artificial intelligence, and sustainable energy solutions, showcasing his versatility and forward-thinking approach to invention.

Career Highlights: Throughout his illustrious career, Ishii has worked with leading tech companies in Japan, spearheading projects that have revolutionized industries and improved the quality of life for many.

Collaborations: Ishii has collaborated with top researchers and engineers from around the world, fostering a culture of innovation and knowledge-sharing that has led to numerous successful inventions and patents.

Conclusion: Hirokazu Ishii's dedication to pushing the boundaries of technology and his passion for creating solutions to complex problems make him a true pioneer in the world of invention.

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