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For the Inventor, By the Inventor

Tokyo, Japan

Kouichi Tanaka

This inventor holds 39 USPTO granted patents and 3 published patent applications and 7 EPO patents, primarily in Optical Films. Top assignees: Nippon Kayaku Kabushiki Kaisha, Polatechno Co., Ltd., Clarion Co. Active years: 1981-2024.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kouichi Tanaka. Retrieved from https://idiyas.com/inventor/kouichi-tanaka

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

Calculating rank
USPTO Granted Patents = 39 

% Patents Active = 76.9

 

Average Co-Inventor Count = 2.3

ph-index = 7

Forward Citations = 145(Granted Patents)


Location History:

  • Kita-ku, JP (2005 - 2018)
  • Tokyo, JP (1981 - 2022)

Company Filing History:

goldMedal22 out of 801 
 
Nippon Kayaku Kabushiki Kaisha
 patents
silverMedal11 out of 40 
 
Polatechno Co., Ltd.
 patents
bronzeMedal6 out of 1,057 
 
Clarion Co
 patents
4. 5 out of 1,038 
 
Nippon Electric Co., Ltd.
 patents
5. 4 out of 882 
 
Sekisui Chemical Co., Ltd.
 patents
6. 2 out of 2,283 
 
Adv Antest Corporation
 patents
7. 2 out of 321 
 
Kurita Water Industries Ltd.
 patents
8. 1 out of 425 
 
Astellas Pharma Gmbh
 patents
9. 1 out of 5,905 
 
Basf Se Corporation
 patents
10. 1 out of 1,011 
 
Central Glass Company, Limited
 patents
11. 1 out of 1 
 
Ike Corp.
 patent
12. 1 out of 52 
 
Mgc Filsheet Co., Ltd.
 patents
13. 1 out of 2,304 
 
Mitsubishi Gas Chemical Company, Inc.
 patents
14. 1 out of 68 
 
Nagase Co., Ltd.
 patents
15. 1 out of 36,735 
 
Nec Corporation
 patents
16. 1 out of 27 
 
Nippon Kayaku Co., Ltd
 patents
17. 4 out of 834,601 
Other
 patents
where one patent can have more than one assignee

Years Active: 1981-2024

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Areas of Expertise:
Optical Film
Polarizing Film
Head-Up Display
Optical Laminate
Light Reflection Film
Liquid Crystal Compound
Retardation Film
Eyewear Technology
Functional Glass
Bactericidal Method
Infrared Reflective Film
Data Distribution
39 patents (USPTO):Explore Patents
1. 12181735 - Optical element or polarizing plate, and eyewear using same (2024-12-31),
2. 11294177 - Head-up display system (2022-04-05),
3. 11042058 - Image display device (2021-06-22),
4. 11022732 - Optical film for eyewear, and functional film for eyewear, optical laminate for eyewear, and eyewear which have same (2021-06-01),
5. 10942374 - Optical film for eyewear, and optical laminate and eyewear using the optical film (2021-03-09),
6. 10866435 - Optical film for eyewear with light control, light reflection, and polarization layers (2020-12-15),
7. 10816709 - Light reflection film and laminate having the light reflection film (2020-10-27),
8. 10525666 - Optical laminate structure and head-up display system using the optical laminate structure, and light reflection film (2020-01-07),
9. 10421676 - Bactericidal/algicidal method (2019-09-24),
10. 10241241 - Light reflecting film, and light controlling film, optical film, functional glass and head-up display including the light reflecting film (2019-03-26),
11. 10120206 - Optical film and optical laminate using same (2018-11-06),
12. 9869805 - Infrared reflective film, and laminated glass employing same (2018-01-16),
13. 9527030 - Method for preventing fouling of exhaust gas flow path of burning equipment and method for removing ammonium hydrogen sulfate contained in exhaust gas of burning equipment (2016-12-27),
14. 9181479 - Retardation element (2015-11-10),
15. 9180648 - Laminate for laminated glass (2015-11-10),

Title: The Innovative Journey of Kouichi Tanaka

Introduction: Kouichi Tanaka, a renowned inventor hailing from Tokyo, Japan, has made significant contributions to the field of science and technology through his groundbreaking innovations.

Latest Patents: Tanaka's latest patents focus on advancements in analytical chemistry, particularly in the development of mass spectrometry techniques for protein analysis, revolutionizing the way researchers study complex biological systems.

Career Highlights: With a distinguished career spanning several decades, Tanaka's most notable achievement was the development of soft laser desorption/ionization mass spectrometry, which earned him the Nobel Prize in Chemistry in 2002. His work has paved the way for new discoveries in the fields of medicine, biology, and environmental science.

Collaborations: Throughout his career, Tanaka has collaborated with leading research institutions, universities, and companies worldwide to further the application of his innovative technologies. His partnerships have led to the development of cutting-edge tools that have had a profound impact on various industries.

Conclusion: Kouichi Tanaka's relentless pursuit of scientific excellence and his passion for innovation have solidified his legacy as a pioneering inventor in the realm of analytical chemistry, inspiring future generations to push the boundaries of what is possible in the world of science.

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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