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Kokusai Electric Corporation

USPTO Granted Patents = 697

EPO Patents = 8

Trademarks = 10

Forward Citations = 1,952

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396 inventors (with patents filed for the assignee):

Naofumi Ohashi (59 out of 104 patents)

Yoshitomo Hashimoto (49 out of 67 patents)

Kimihiko Nakatani (49 out of 57 patents)

4. Yusaku Okajima (39 out of 40 patents)

5. Hidenari Yoshida (32 out of 44 patents)

6. Shuhei Saido (31 out of 47 patents)

7. Tomoshi Taniyama (30 out of 51 patents)

8. Tadashi Takasaki (29 out of 38 patents)

9. Arito Ogawa (28 out of 59 patents)

10. Shun Matsui (27 out of 33 patents)

11. Motomu Degai (25 out of 27 patents)

12. Masanori Nakayama (24 out of 33 patents)

13. Takafumi Sasaki (24 out of 37 patents)

14. Tsuyoshi Takeda (23 out of 42 patents)

15. Yoshiro Hirose (22 out of 146 patents)

Core Competencies:

Substrate Processing

Semiconductor Device

Cleaning Method

Thermal Control

Gas Injector

Plasma Generation

Recording Medium

Temperature Control

Furnace Structure

Cooling System

Insulation Plate

Processing Method

697 patents: Sort by Forward Citations

1. 12765311 - Substrate processing system, substrate processing apparatus, method of manufacturing semiconductor device, and recording medium (2026-10-13),

2. 12765294 - Method of processing substrate, method of manufacturing semiconductor device, substrate processing apparatus, and recording medium (2026-10-13),

3. 12765280 - Processing method, method of manufacturing semiconductor device, processing apparatus, and recording medium (2026-10-13),

4. 12762943 - Processing apparatus, display method, method of manufacturing semiconductor device and non-transitory computer-readable recording medium (2026-10-13),

5. 12757653 - Method of processing substrate, method of manufacturing semiconductor device, substrate processing apparatus, and recording medium (2026-10-06),

6. 12757652 - Method of processing substrate, recording medium, substrate processing apparatus and method of manufacturing semiconductor device (2026-10-06),

7. 12753512 - Method of processing substrate, method of manufacturing semiconductor device, recording medium, and substrate processing apparatus (2026-10-06),

8. 12751235 - Gas supply system, substrate processing apparatus and method of manufacturing semiconductor device (2026-09-29),

9. 12747501 - Substrate processing apparatus, method of manufacturing semiconductor device, method of processing substrate, and recording medium (2026-09-29),

10. 12744182 - Substrate processing apparatus, method of manufacturing semiconductor device and plasma generating apparatus (2026-09-22),

11. 12740361 - Substrate processing apparatus, method of manufacturing semiconductor device and non-transitory computer-readable recording medium (2026-09-15),

12. 12740351 - Method of processing substrate, method of manufacturing semiconductor device, substrate processing apparatus, and recording medium (2026-09-15),

13. 12740347 - Method of processing substrate, method of manufacturing semiconductor device, substrate processing apparatus, and recording medium (2026-09-15),

14. 12738461 - Seal structure, substrate processing apparatus, substrate processing method and method of manufacturing semiconductor device (2026-09-15),

15. 12734561 - Cleaning method, recording medium, and substrate processing apparatus (2026-09-15),

Company Overview

Kokusai Electric Corporation, headquartered in Tokyo, Japan, specializes in semiconductor manufacturing technologies. The company is renowned for its innovative solutions in substrate processing and semiconductor device fabrication. Kokusai Electric focuses on advanced cleaning methods, thermal control systems, and gas injectors, contributing significantly to the efficiency and performance of semiconductor production. With a commitment to research and development, the organization plays a vital role in enhancing plasma generation techniques and temperature control processes within the industry.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

697 Patents

#143 in Tokyo

#297 in Japan

#1,432 in the World

Kokusai Electric Corporation

Forward Citations = 1,952

396 inventors:

Naofumi Ohashi (59 out of 104 patents)

Yoshitomo Hashimoto (49 out of 67 patents)

Kimihiko Nakatani (49 out of 57 patents)

4. Yusaku Okajima (39 out of 40 patents)

5. Hidenari Yoshida (32 out of 44 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Kokusai Electric Corporation. Retrieved from https://idiyas.com/company/kokusai-electric

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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