Forward Citations = 25

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5 inventors (with patents filed for the assignee):

KwangHo Hyon (4 out of 4 patents)

Toshihiro Wakabayashi (1 out of 10 patents)

Masaru Nakaiwa (1 out of 3 patents)

4. Akihiko Tamakoshi (1 out of 2 patents)

5. KwangHo Kyon (1 out of 1 patent)

6 patents: Sort by Forward Citations

1. 8440056 - Heat integrated distillation apparatus (2013-05-14),

2. 6435438 - Centrifugal brake structure of dual bearing type fishing reel (2002-08-20),

3. 6422497 - Dual-bearing reel having a detachable handle (2002-07-23),

4. 6412719 - Dual-bearing reel having mechanism for inducing free rotation of spool (2002-07-02),

5. 6409112 - Dual-bearing reel having control knob for adjusting braking force (2002-06-25),

6. 6367726 - Dual-bearing reel having detachable side cover (2002-04-09),

Company Overview

Toyo Engineering Corporation is a Japanese engineering, procurement and construction company serving various industries including oil and gas, petrochemicals, chemicals, energy, and environmental sectors. With a history spanning over 50 years, Toyo Engineering has a strong track record of delivering high-quality and innovative solutions to its clients globally.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

6 Patents

#2,469 in Tokyo

#5,989 in Japan

Tokyo, Japan

Toyo Engineering Company

Forward Citations = 25

5 inventors:

KwangHo Hyon (4 out of 4 patents)

Toshihiro Wakabayashi (1 out of 10 patents)

Masaru Nakaiwa (1 out of 3 patents)

4. Akihiko Tamakoshi (1 out of 2 patents)

5. KwangHo Kyon (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Toyo Engineering Company. Retrieved from https://idiyas.com/company/toyo-engineering-company

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]