For the Inventor, By the Inventor

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Imagineering, Inc.

USPTO Granted Patents = 108

% Expired Patents = 54.6

EPO Patents = 30

Trademarks = 6

Forward Citations = 585

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25 inventors (with patents filed for the assignee):

Yuji Ikeda (77 out of 88 patents)

Richard R Chalmers (28 out of 28 patents)

Gilbert V Harper (24 out of 24 patents)

4. Minoru Makita (9 out of 9 patents)

5. Atsushi Nishiyama (4 out of 4 patents)

6. Seiji Kanbara (3 out of 3 patents)

7. William J Fisher (3 out of 3 patents)

8. Shigeo Nomura (2 out of 5 patents)

9. Hiroaki Oi (2 out of 4 patents)

10. Takeshi Serizawa (2 out of 8 patents)

11. Ryoji Tsuruoka (2 out of 2 patents)

12. Takashi Furui (2 out of 2 patents)

13. Masashi Kaneko (2 out of 2 patents)

14. Hidekazu Ohtsubo (1 out of 1 patent)

15. Hiroki Katano (1 out of 1 patent)

Core Competencies:

Ignition Device

Plasma Generation

Gas Treatment

Internal Combustion Engine

Ignition Plug

Plasma Apparatus

After-Treatment

Control Device

Gas Processing

High-Frequency Radiation

Temperature Measurement

Signal Processing

108 patents: Sort by Forward Citations

1. 10161369 - Injector built-in ignition device, internal combustion engine, gas burner, and ignition device (2018-12-25),

2. 10151291 - Internal combustion engine (2018-12-11),

3. 10132286 - Ignition system for internal combustion engine, and internal combustion engine (2018-11-20),

4. 10078053 - Gas concentration estimation device (2018-09-18),

5. 10077754 - Ignition plug and internal-combustion engine (2018-09-18),

6. 10071387 - Apparatus and method for coating object by supplying droplet to surface of the object while applying active species to the droplet (2018-09-11),

7. 10056736 - High-frequency radiation plug (2018-08-21),

8. 10036364 - Internal combustion engine (2018-07-31),

9. 10036361 - Ignition device (2018-07-31),

10. 9991680 - Ignition plug and plasma generation device (2018-06-05),

11. 9976892 - Volume measuring device and volume measuring method (2018-05-22),

12. D813562 - Seat (2018-03-27),

13. 9929543 - Internal combustion engine and ignition coil (2018-03-27),

14. 9920737 - Internal combustion engine (2018-03-20),

15. 9909552 - Plasma generating device, and internal combustion engine (2018-03-06),

Company Overview

Imagineering, Inc., based in Kobeshi, Japan, specializes in the development and manufacturing of advanced technologies for internal combustion engines. The company focuses on innovative solutions in ignition devices, plasma generation, and gas treatment, aiming to enhance engine performance and efficiency. Their expertise extends to ignition plugs, plasma apparatus, and after-treatment systems, positioning them as a key player in automotive engineering and environmental technology. Imagineering is committed to advancing combustion technology for a sustainable future.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

108 Patents

#1 in Kobeshi

#1,071 in Japan

#7,287 in the World

Imagineering, Inc.

Forward Citations = 585

25 inventors:

Yuji Ikeda (77 out of 88 patents)

Richard R Chalmers (28 out of 28 patents)

Gilbert V Harper (24 out of 24 patents)

4. Minoru Makita (9 out of 9 patents)

5. Atsushi Nishiyama (4 out of 4 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Imagineering, Inc.. Retrieved from https://idiyas.com/company/imagineering

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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