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Japan Energy Corporation

USPTO Granted Patents = 130

% Expired Patents = 12.3

CIPO Patents = 1

EPO Patents = 5

Trademarks = 1

Forward Citations = 1,791

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223 inventors (with patents filed for the assignee):

Takashi Kaimai (11 out of 16 patents)

Tsuneo Suzuki (9 out of 10 patents)

Yuichiro Shindo (9 out of 9 patents)

4. Yoshiaki Isobe (8 out of 30 patents)

5. Tsutomu Mimoto (8 out of 10 patents)

6. Yoshiaki Kiso (7 out of 12 patents)

7. Katsuaki Ishida (5 out of 5 patents)

8. Hiroki Koyama (5 out of 6 patents)

9. Toru Saito (5 out of 5 patents)

10. Tateo Ohhashi (5 out of 6 patents)

11. Osamu Oda (5 out of 13 patents)

12. Junichi Anan (5 out of 6 patents)

13. Susumu Sawada (5 out of 5 patents)

14. Chikanori Nakaoka (4 out of 7 patents)

15. Satoshi Furuta (4 out of 5 patents)

Core Competencies:

Hydrorefining Catalyst

Lubricant Composition

Desulfurization

Transesterification

Photoelectric Conversion

Sputtering Target

Magnetic Thin Films

High-Purity Materials

Dipeptide Compounds

Rubber Process Oil

Hydrocarbon Oil

Crystal Growth

130 patents: Sort by Forward Citations

1. 8021540 - Method of desulfurizing hydrocarbon oil (2011-09-20),

2. 8012342 - Lubricant base oil and method of producing the same (2011-09-06),

3. 7981372 - Oxidative autothermal reformer and oxidative autothermal reforming method using the same (2011-07-19),

4. 7973000 - Semi-solid lubricant composition for transmission element and mechanical system provided with the same (2011-07-05),

5. 7938955 - Method for producing super-low sulfur gas oil blending component or super-low sulfur gas oil composition, and super-low sulfur gas oil composition (2011-05-10),

6. 7696376 - Method for manufacture of esters by transesterification (2010-04-13),

7. 7601253 - Process oil and process for producing the same (2009-10-13),

8. 7442668 - Solid acid catalyst containing tin and method for preparation thereof (2008-10-28),

9. 7427578 - Method for producing hydrorefining catalyst (2008-09-23),

10. 7368626 - Method of isomerizing hydrocarbon (2008-05-06),

11. 7335618 - Method for manufacturing hydrorefining catalyst, and metal recovery method (2008-02-26),

12. 7265075 - Hydro-refining catalyst, carrier for use therein and method for production thereof (2007-09-04),

13. 7211681 - Ester production method by transesterification reaction using solid acid catalyst (2007-05-01),

14. 7034188 - Production method of ketone compound (2006-04-25),

15. 7026268 - Solid acid catalyst containing platinum group metal component and method for preparation thereof (2006-04-11),

Company Overview

Japan Energy Corporation, headquartered in Tokyo, specializes in hydrocarbon processing technologies. The company focuses on developing advanced solutions in hydrorefining catalysts, lubricant compositions, and desulfurization processes. Additionally, it is engaged in innovative research areas such as transesterification, photoelectric conversion, and the production of high-purity materials. With a commitment to enhancing energy efficiency and sustainability, Japan Energy Corporation plays a significant role in the energy sector, contributing to cleaner and more efficient hydrocarbon utilization.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

130 Patents

#467 in Tokyo

#948 in Japan

#6,179 in the World

Japan Energy Corporation

Forward Citations = 1,791

223 inventors:

Takashi Kaimai (11 out of 16 patents)

Tsuneo Suzuki (9 out of 10 patents)

Yuichiro Shindo (9 out of 9 patents)

4. Yoshiaki Isobe (8 out of 30 patents)

5. Tsutomu Mimoto (8 out of 10 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Japan Energy Corporation. Retrieved from https://idiyas.com/company/japan-energy

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

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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