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For the Inventor, By the Inventor

Kawasaki, Japan

Kazutaka Hanaoka

This inventor holds 99 USPTO granted patents, primarily in Liquid Crystal Displays (CPC class G02F1-1393). Top assignees: Sharp Kabushiki Kaisha Corporation, Fujitsu Corporation, Fujitsu Display Technologies Corporation. Active years: 1993-2023.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kazutaka Hanaoka. Retrieved from https://idiyas.com/inventor/kazutaka-hanaoka

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

Calculating rank
USPTO Granted Patents = 99

% Patents Active = 59.6

Average Co-Inventor Count = 5.5

ph-index = 15

Forward Citations = 752(Granted Patents)

Forward Citations (Not Self Cited) = 657(Dec 10, 2025)


Inventors with similar research interests:

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Location History:

  • Kanagawa, JP (1998 - 2013)
  • Tenri, JP (2011 - 2014)
  • Kawasaki, JP (1993 - 2015)
  • Osaka, JP (2012 - 2017)
  • Sakai, JP (2018 - 2023)

Company Filing History:

goldMedal77 out of 25,982 
 
Sharp Kabushiki Kaisha Corporation
 patents
silverMedal14 out of 39,378 
 
Fujitsu Corporation
 patents
bronzeMedal7 out of 103 
 
Fujitsu Display Technologies Corporation
 patents
4. 2 out of 3,025 
 
Merck Patent Gmbh
 patents
5. 1 out of 4,577 
 
Au Optronics Corporation
 patents
where one patent can have more than one assignee

Years Active: 1993-2023

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Areas of Expertise:
Liquid Crystal Display
Display Device
Driving Method
Manufacturing Method
Alignment Control
Polymerizable Compound
Optical Apparatus
Quality Improvement
Fabrication Techniques
Display Apparatus
Substrate Design
Time-Division Driving
99 patents (USPTO):Explore Patents
1. 11719972 - Display device (2023-08-08),
2. 11454838 - Liquid crystal display device (2022-09-27),
3. 10930226 - Liquid crystal display device with time-division driving (2021-02-23),
4. 10796650 - Liquid crystal display device and driving method therefor (2020-10-06),
5. 10741135 - Liquid crystal display device (2020-08-11),
6. 10739645 - Liquid crystal display apparatus and manufacturing method of liquid crystal display apparatus (2020-08-11),
7. 10395606 - Liquid crystal display device (2019-08-27),
8. 10311804 - Liquid crystal display device (2019-06-04),
9. 10216034 - Liquid crystal display device (2019-02-26),
10. 10209582 - Liquid crystal display device (2019-02-19),
11. 10175542 - Liquid crystal display device (2019-01-08),
12. 10067397 - Liquid crystal display device (2018-09-04),
13. 10001681 - Liquid crystal display device (2018-06-19),
14. 9658491 - Optical apparatus and display apparatus provided with same (2017-05-23),
15. 9612490 - Liquid crystal display (2017-04-04),

Title: The Innovative Journey of Kazutaka Hanaoka

Introduction: Kazutaka Hanaoka, a pioneering inventor hailing from Kawasaki, Japan, has made significant contributions to the field of technology with his groundbreaking innovations.

Latest Patents: Kazutaka Hanaoka's latest patents showcase his commitment to pushing the boundaries of technological advancement, with a focus on improving efficiency and functionality in various industries.

Career Highlights: Throughout his illustrious career, Kazutaka Hanaoka has been recognized for his inventive spirit and problem-solving skills. His inventions have revolutionized processes in sectors such as robotics, electronics, and automotive engineering.

Collaborations: Kazutaka Hanaoka has collaborated with leading research institutions, universities, and tech companies to further develop and implement his innovative ideas. These partnerships have been instrumental in bringing his inventions to life and making a tangible impact on society.

Conclusion: In conclusion, Kazutaka Hanaoka stands as a beacon of innovation in the world of technology, with a legacy that continues to inspire future generations of inventors and engineers. His relentless pursuit of excellence and passion for innovation have solidified his position as a trailblazer in the field.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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