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For the Inventor, By the Inventor

Shizuoka, Japan

Hiroo Takizawa

This inventor holds 81 USPTO granted patents and 20 published patent applications and 11 EPO patents, primarily in Organic Electroluminescence (CPC class G03F7-0397). Top assignees: Fujifilm Corporation, Fuji Photo Film Company, Limited, Udc Ireland Limited. Active years: 1993-2023.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroo Takizawa. Retrieved from https://idiyas.com/inventor/hiroo-takizawa

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

USPTO Granted Patents = 81 

% Patents Active = 74.1

 

Average Co-Inventor Count = 2.7

ph-index = 7

Forward Citations = 403(Granted Patents)

Forward Citations (Not Self Cited) = 387(Dec 10, 2025)


Inventors with similar research interests:

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Location History:

  • Ashigara, JP (1995 - 1997)
  • Minami-ashigara, JP (1995 - 2009)
  • Ashigarakami-gun, JP (2012 - 2013)
  • Haibara-gun, JP (2013 - 2017)
  • Kanagawa, JP (1993 - 2018)
  • Shizuoka-ken, JP (2019)
  • Shizuoka, JP (2015 - 2023)

Company Filing History:

goldMedal43 out of 16,980 
 
Fujifilm Corporation
 patents
silverMedal32 out of 16,458 
 
Fuji Photo Film Company, Limited
 patents
bronzeMedal4 out of 202 
 
Udc Ireland Limited
 patents
4. 2 out of 11,665 
 
Fuji Xerox Co., Ltd.
 patents
5. 1 out of 834,570 
Other
 patents
where one patent can have more than one assignee

Years Active: 1993-2023

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Areas of Expertise:
Organic Electroluminescence
Pattern Formation
Thin-Film Transistor
Resist Film
Radiation-Sensitive Resin
Semiconductor Device
Active Light-Sensitive Composition
Electronic Device Manufacturing
Chemical Amplification
Mask Blanks
Platinum Complex
81 patents (USPTO):Explore Patents
1. 11832508 - Organic electroluminescence device (2023-11-28),
2. 10444627 - Pattern formation method, active light-sensitive or radiation-sensitive resin composition, resist film, production method for electronic device using same, and electronic device (2019-10-15),
3. 10403832 - Organic electroluminescence device (2019-09-03),
4. 10234759 - Actinic-ray- or radiation-sensitive resin composition, actinic-ray- or radiation-sensitive film and method of forming pattern (2019-03-19),
5. 10031419 - Pattern forming method, composition kit and resist film, manufacturing method of electronic device using these, and electronic device (2018-07-24),
6. 10008671 - Organic thin-film transistor and method for manufacturing same (2018-06-26),
7. 9915870 - Pattern forming method, composition kit and resist film, and method for producing electronic device using them, and electronic device (2018-03-13),
8. 9905768 - Semiconductor device and insulating layer-forming composition (2018-02-27),
9. 9829796 - Pattern formation method, active light-sensitive or radiation-sensitive resin composition, resist film, production method for electronic device using same, and electronic device (2017-11-28),
10. 9799832 - Organic thin-film transistor and method for manufacturing same (2017-10-24),
11. 9766547 - Pattern forming method, actinic ray-sensitive or radiation-sensitive resin composition, resist film, method of manufacturing electronic device using the same, and electronic device (2017-09-19),
12. 9755160 - Thin film transistor (2017-09-05),
13. 9651863 - Pattern forming method, active light sensitive or radiation sensitive resin composition, resist film, method for manufacturing electronic device, and electronic device (2017-05-16),
14. 9612535 - Pattern forming method, electron beam- or extreme ultraviolet-sensitive resin composition, resist film using the same, method of manufacturing electronic device, and electronic device (2017-04-04),
15. 9557643 - Pattern forming method, actinic ray-sensitive or radiation-sensitive resin composition, resist film, manufacturing method of electronic device using the same and electronic device (2017-01-31),

Of course! Here is the article about inventor Hiroo Takizawa:

Title: The Innovator Extraordinaire - Hiroo Takizawa

Introduction:

Hiroo Takizawa, a brilliant mind in the field of innovation, hails from Shizuoka, Japan. With a total of 81 patents to his name, Takizawa has significantly contributed to the realm of technology and scientific advancements.

Latest Patents:

Among his latest patents is the groundbreaking invention of the Organic Electroluminescence Device. This innovation showcases an electroluminescence device that boasts high luminous efficiency, durability, and minimal chromaticity shift even after device deterioration. The organic electroluminescence device material invented by Takizawa features a light-emitting layer containing a metal complex with specific characteristics, as outlined in formula (I).

Career Highlights:

Takizawa has graced the halls of renowned companies such as Fujifilm Corporation and Fuji Photo Film Company, Limited. His expertise and dedication have propelled him to develop cutting-edge technologies that have revolutionized the industry.

Collaborations:

Throughout his illustrious career, Takizawa has collaborated with esteemed individuals in the field, including notable coworkers such as Shuji Hirano and Masakazu Morigaki. Together, they have worked tirelessly to push the boundaries of innovation and reshape the landscape of technology.

Conclusion:

In conclusion, Hiroo Takizawa's remarkable journey as an inventor exemplifies passion, ingenuity, and perseverance. His contributions to the world of patents and inventions continue to inspire future generations of innovators, leaving an indelible mark on the realm of technological advancement.

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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