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For the Inventor, By the Inventor

Ibaraki, Japan

Takashi Kojima

This inventor holds 15 USPTO granted patents, primarily in Carbon Materials Production. Top assignees: Mitsubishi Gas Chemical Company, Inc., Mitsubishi Petrochemical Company Limited, Akebono Research and Developement Centre Ltd.. Active years: 1987-2009.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takashi Kojima. Retrieved from https://idiyas.com/inventor/takashi-kojima-yvdhck34

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

Calculating rank
USPTO Granted Patents = 15

% Patents Active = 93.3

Average Co-Inventor Count = 3.7

ph-index = 6

Forward Citations = 110(Granted Patents)


Location History:

  • Niigata, JP (1987 - 1990)
  • Ami, JP (1994)
  • Tsukuba, JP (1996)
  • Ibaraki-ken, JP (1997)
  • Kurashiki, JP (1999)
  • Ibaraki, JP (1989 - 2009)

Company Filing History:

goldMedal12 out of 2,304 
 
Mitsubishi Gas Chemical Company, Inc.
 patents
silverMedal3 out of 546 
 
Mitsubishi Petrochemical Company Limited
 patents
bronzeMedal1 out of 73 
 
Akebono Research and Developement Centre Ltd.
 patents
4. 1 out of 3,680 
 
Kao Corporation
 patents
where one patent can have more than one assignee

Years Active: 1987-2009

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Areas of Expertise:
Carbonized Products
Molecular Sieves
Phenol Derivatives
High-Density Carbon
Self-Adhesive Grains
Electrophotographic Receptors
Friction Materials
Methanol Production
Composite Carbon Materials
Catalyst Composition
Molecular Oriented Film
Pitch Production
15 patents (USPTO):Explore Patents
1. 7625543 - Production process for carbonized product and carbonized product obtained by the same process (2009-12-01),
2. 7253300 - [object Object] (2007-08-07),
3. 7115238 - Crystalline silicoaluminophosphate salt molecular sieve having octaoxygen-membered ring pore, process for producing the same and process for producing methylamine with the molecular sieve as catalyst (2006-10-03),
4. 5998566 - Phenol derivatives and process for their production (1999-12-07),
5. 5644018 - Pitch with reduced tendency to smoke during spinning and a process for (1997-07-01),
6. 5609800 - Process for producing high-density and high-strength carbon artifacts (1997-03-11),
7. 5547654 - Self-adhesive carbonaceous grains and high density carbon artifacts (1996-08-20),
8. 5484520 - Self-adhesive carbonaceous grains and process for producing high-density (1996-01-16),
9. 5443935 - Electrophotographic photoreceptor (1995-08-22),
10. 5372702 - Composition for use in the production of composite carbon materials, (1994-12-13),
11. 5344733 - Electrophotographic receptor (1994-09-06),
12. 5279777 - Process for the production of friction materials (1994-01-18),
13. 4956392 - Process for producing methanol or mixed alcohol (1990-09-11),
14. 4863763 - Process for producing molecular orientated film (1989-09-05),
15. 4666945 - Catalyst composition suitable for synthesis of methanol (1987-05-19),

Title: Takashi Kojima: Innovator in Carbonized Products

Introduction

Takashi Kojima is a prominent inventor based in Ibaraki, Japan. He has made significant contributions to the field of chemical engineering, particularly in the production of carbonized products. With a total of 15 patents to his name, Kojima's work has had a notable impact on various industrial processes.

Latest Patents

One of his latest patents involves a production process for a carbonized product. This innovative process is characterized by several steps, including the reaction of tricyclo[5.2.1.0]deca-3-ene with carbon monoxide and alcohol in the presence of HF. The process is designed to produce tricyclo[5.2.1.0]decane-2-carboxylic acid ester through a series of carefully controlled reactions. The method includes an isomerization reaction step, enhancing the efficiency of the production process.

Career Highlights

Throughout his career, Takashi Kojima has worked with notable companies such as Mitsubishi Gas Chemical Company, Inc. and Mitsubishi Petrochemical Company Limited. His experience in these organizations has allowed him to refine his skills and contribute to advancements in chemical production techniques.

Collaborations

Kojima has collaborated with esteemed colleagues, including Hitoshi Sakamoto and Ryuji Fujiura. These partnerships have fostered a collaborative environment that has led to innovative solutions in their field.

Conclusion

Takashi Kojima's contributions to the field of chemical engineering and his innovative patents highlight his role as a key figure in the development of carbonized products. His work continues to influence the industry and inspire future innovations.

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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