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Yokohama, Japan

Inoue-Japax Research Incorporated

USPTO Granted Patents = 240

Forward Citations = 2,907

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13 inventors (with patents filed for the assignee):

Kiyoshi Inoue (240 out of 304 patents)

Akihiko Shimizu (10 out of 37 patents)

Makoto Onoue (5 out of 5 patents)

4. Sadao Sano (4 out of 9 patents)

5. Hideo Kaneko (4 out of 4 patents)

6. Jinzo Yabe (3 out of 3 patents)

7. Jun Hayakawa (2 out of 2 patents)

8. Kazuyoshi Miyano (2 out of 2 patents)

9. Yoshinori Shima (1 out of 1 patent)

10. Iwao Shibuya (1 out of 1 patent)

11. Yutaka Kato (1 out of 1 patent)

12. Ryo Fujimori (1 out of 1 patent)

13. Noriyoshi Otaki (1 out of 1 patent)

14. Tatsue Toyoshima (1 out of 1 patent)

15. Inoue Kiyoshi (1 out of 1 patent)

Core Competencies:

Electrical Machining

Wire-Cut Electroerosion

Metal Deposition

Precision Machining

Electrode Positioning

Magnetic Treatment

Shredding Machine

Laser Machining

CNC Process

Automatic Spark-Depositing

Sintering Method

Fluid Delivery Control

240 patents: Sort by Forward Citations

1. 5030196 - Magnetic treatment device (1991-07-09),

2. 4902451 - Method of preparing a frictional material (1990-02-20),

3. 4866237 - Method of discharge coating and an apparatus therefor (1989-09-12),

4. 4846413 - Shredding machine (1989-07-11),

5. 4822633 - Auto-selective metal deposition on dielectric surfaces (1989-04-18),

6. 4803326 - Wire-cut electric discharge machine in which two adjoining segments of a (1989-02-07),

7. 4797526 - Method for wire-cut electric discharge machining utilizing adjoining (1989-01-10),

8. 4777337 - TW-EDM method and apparatus with a ferromagnetic wire electrode (1988-10-11),

9. 4767905 - EDM method and apparatus with trapezoidized short-duration pulses (1988-08-30),

10. 4751361 - Automatic TW electroerosion machining system (1988-06-14),

11. 4736085 - Current supplying apparatus for a wire-cut electric discharge machine (1988-04-05),

12. 4725706 - Tw-electroerosion utilizing cyclically reduced cutting feed rate (1988-02-16),

13. 4720616 - Polarity reversal pulsing method and apparatus for EDM (1988-01-19),

14. 4704511 - Traveling-wire electroerosion machine with swiveling nozzle assembly (1987-11-03),

15. 4695333 - Iron-chromium-base spinodal decomposition-type magnetic (hard or (1987-09-22),

Company Overview

Inoue-Japax Research Incorporated, based in Yokohama, Japan, specializes in advanced electrical machining technologies. The company focuses on areas such as wire-cut electroerosion, precision machining, and metal deposition, providing innovative solutions for various industrial applications. Their expertise extends to electrode positioning and magnetic treatment, enhancing the efficiency and precision of machining processes. Additionally, Inoue-Japax develops shredding machines and laser machining technologies, contributing to advancements in manufacturing and material processing.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

240 Patents

#15 in Yokohama

#625 in Japan

#3,592 in the World

Yokohama, Japan

Inoue-Japax Research Incorporated

Forward Citations = 2,907

13 inventors:

Kiyoshi Inoue (240 out of 304 patents)

Akihiko Shimizu (10 out of 37 patents)

Makoto Onoue (5 out of 5 patents)

4. Sadao Sano (4 out of 9 patents)

5. Hideo Kaneko (4 out of 4 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Inoue-Japax Research Incorporated. Retrieved from https://idiyas.com/company/inoue-japax-research

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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