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For the Inventor, By the Inventor

Hiratsuka, Japan

Tohru Kobayashi

This inventor holds 40 USPTO granted patents and 2 EPO patents, primarily in Electrophotographic Technology. Top assignees: Takasago International Corporation, Canon Kabushiki Kaisha, Konica Corporation. Active years: 1990-2016.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tohru Kobayashi. Retrieved from https://idiyas.com/inventor/tohru-kobayashi

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

USPTO Granted Patents = 40

% Patents Active = 87.5

 

Average Co-Inventor Count = 4.2

ph-index = 12

Forward Citations = 446(Granted Patents)


Location History:

  • Hino, JP (1993 - 1994)
  • Tokyo, JP (1990 - 2002)
  • Kanagawa, JP (1996 - 2002)
  • Kanagawa-ken, JP (2001 - 2002)
  • Hiratsuka, JP (1995 - 2016)

Company Filing History:

goldMedal19 out of 511 
 
Takasago International Corporation
 patents
silverMedal12 out of 92,994 
 
Canon Kabushiki Kaisha
 patents
bronzeMedal5 out of 3,106 
 
Konica Corporation
 patents
4. 2 out of 3,208 
 
Dai Nippon Printing Co., Ltd.
 patents
5. 1 out of 92 
 
Asahi Denka Kogyo K.k.
 patents
6. 1 out of 357 
 
Shindengen Electric Manufacturing Company Limited
 patents
7. 1 out of 18 
 
Yamanashi Electronics Co., Ltd.
 patents
8. 3 out of 834,513 
Other
 patents
where one patent can have more than one assignee

Years Active: 1990-2016

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Areas of Expertise:
Electrophotographic Photoreceptor
Charge Transport Material
Ink Jet Printing
Polymerizable Liquid Crystal
Aromatic Amines
Optical Film
Belt Driving Apparatus
Recording Material Conveyance
Photographic Element
Copolymers
Cleaning Method
Triphenylamine Derivative
40 patents (USPTO):Explore Patents
1. 9233922 - Process for producing N-(hetero)arylazoles (2016-01-12),
2. 8859818 - Electrophotographic photoreceptor (2014-10-14),
3. 8084935 - Organic electroluminescent element and display panel using said element (2011-12-27),
4. 7105258 - Charge transport monomer, charge transport material, and process for producing the same (2006-09-12),
5. 6805920 - Polymerizable liquid crystal compound and optical film (2004-10-19),
6. 6499841 - Apparatus and method for cleaning a recording material conveying member using blade member and ink absorber (2002-12-31),
7. 6455720 - 2,2(diarlyl)vinylphosphine compound, palladium catalyst thereof, and process for producing arylamine, diaryl, or arylalkyne with the catalyst (2002-09-24),
8. 6418812 - Brake pedal structure for vehicle (2002-07-16),
9. 6365776 - Process for producing aromatic amines (2002-04-02),
10. 6279417 - Brake pedal structure for vehicle (2001-08-28),
11. 6228547 - Bis(3,4-methylenedioxyphenylamino) derivatives and electrophotographic photoreceptor containing the derivatives (2001-05-08),
12. 6196654 - Apparatus and method for cleaning a recording material conveying member using blade member and ink absorber (2001-03-06),
13. 6172264 - Triphenylamine derivative, charge-transporting material comprising the same, and electrophotographic photoreceptor (2001-01-09),
14. 6150065 - Electrophotographic photoreceptor (2000-11-21),
15. 6106090 - Ink jet printing apparatus with print medium conveyance belt (2000-08-22),

Title: Innovations of Tohru Kobayashi: A Patented Journey

Introduction

Tohru Kobayashi, a talented inventor based in Hiratsuka, Japan, has made significant advancements in the field of chemistry with a remarkable portfolio of 40 patents. His contributions primarily focus on the production of valuable organic compounds and materials that have applications in various industries such as pharmaceuticals and electronics.

Latest Patents

Among his latest innovations, Kobayashi developed a process for producing N-(hetero)arylazoles, which is crucial for creating medical and agrochemical products, as well as materials for organic photoconductors and electroluminescent elements. This process involves a specific reaction of (hetero)aryl (pseudo)halides with NH-azoles in the presence of a palladium compound catalyst and a basic magnesium compound, resulting in high yields. Additionally, he has introduced an electrophotographic photoreceptor that utilizes a charge transport material designed to meet the demanding characteristics needed for high-performance electrophotographic applications. This innovative material boasts excellent solubility in binder polymers and improved carrier mobility, enabling the formation of stable and concentrated organic thin films.

Career Highlights

Throughout his professional journey, Tohru Kobayashi has been associated with notable companies such as Takasago International Corporation and Canon Kabushiki Kaisha, where he has played a pivotal role in advancing research and development in their respective fields.

Collaborations

Kobayashi's work has often been enhanced through collaborations with distinguished colleagues like Toshimitsu Hagiwara and Yoshimasa Matsushima. These partnerships have fostered a productive environment in which innovative ideas have flourished, leading to meaningful advancements in technology.

Conclusion

Tohru Kobayashi's impressive array of patents and his impactful contributions to chemical innovation underline the importance of creativity and collaboration in scientific research. His ongoing efforts continue to influence various industries, showcasing how patented inventions can lead to significant advancements in technology and improve everyday products.

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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