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Kaijo Corporation

USPTO Granted Patents = 76

% Expired Patents = 21.1

EPO Patents = 5

Trademarks = 1

Forward Citations = 677

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80 inventors (with patents filed for the assignee):

Akio Sugito (6 out of 6 patents)

Hiromi Fujisawa (6 out of 6 patents)

Kimiji Nishimaki (6 out of 6 patents)

4. Hideaki Miyoshi (6 out of 6 patents)

5. Hiroshi Hasegawa (4 out of 115 patents)

6. Hideki Yoshino (4 out of 11 patents)

7. Akihisa Nakano (4 out of 4 patents)

8. Kazunari Suzuki (4 out of 56 patents)

9. Ki Han (4 out of 4 patents)

10. Takashi Kamiharako (4 out of 5 patents)

11. Hiroshi Hasegawa (4 out of 80 patents)

12. Yasuhiro Imazeki (3 out of 3 patents)

13. Junichiro Soejima (3 out of 10 patents)

14. Katsuhiro Koyama (3 out of 3 patents)

15. Shinobu Ishii (3 out of 3 patents)

Core Competencies:

Ultrasonic Transducer

Wire Bonding

Ultrasonic Cleaning

Bonding Apparatus

Capillary Transport

Inspection Method

Three-Dimensional Production

Deaeration Device

Chemical Concentration Control

Object Levitating Apparatus

Substrate Processing

Ball Forming Device

76 patents: Sort by Forward Citations

1. 12208427 - Ultrasonic transducer having state monitoring function and ultrasonic cleaning device using the same (2025-01-28),

2. 11901329 - Wire bonding method and wire bonding apparatus (2024-02-13),

3. 11791304 - Method for bonding insulated coating wire, connection structure, method for stripping insulated coating wire and bonding apparatus (2023-10-17),

4. 11618060 - Ultrasonic cleaning apparatus and ultrasonic cleaning system (2023-04-04),

5. 11458442 - Ultrasonic homogenizer (2022-10-04),

6. 11404393 - Wire bonding method and wire bonding device (2022-08-02),

7. 11302667 - Method of vertically vibrating a bonding arm (2022-04-12),

8. 11273515 - Bonding process with rotating bonding stage (2022-03-15),

9. 11173567 - Bonding apparatus with rotating bonding stage (2021-11-16),

10. 11154914 - Ultrasonic transducer and ultrasonic cleaning device using ultrasonic transducer (2021-10-26),

11. 11148355 - Three-dimensional shaped object production device and three-dimensional shaped object production method (2021-10-19),

12. 11127709 - Capillary transport device, capillary mounting device, capillary replacement device, capillary transport method, capillary mounting method, and capillary replacement method (2021-09-21),

13. 10746725 - Method and device for detecting endotoxin (2020-08-18),

14. D889593 - Ultrasonic transducer (2020-07-07),

15. 10629563 - Ball forming device for wire bonder (2020-04-21),

Company Overview

Kaijo Corporation, based in Tokyo, specializes in ultrasonic cleaning technologies, focusing on the development and manufacturing of advanced ultrasonic transducers and bonding apparatus. The company is recognized for its expertise in wire bonding, capillary transport, and inspection methods, which are essential in various industrial applications. With a commitment to innovation, Kaijo also explores three-dimensional production techniques and deaeration devices, contributing significantly to the efficiency and effectiveness of cleaning processes across multiple sectors.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

76 Patents

#643 in Tokyo

#1,347 in Japan

#9,898 in the World

Kaijo Corporation

Forward Citations = 677

80 inventors:

Akio Sugito (6 out of 6 patents)

Hiromi Fujisawa (6 out of 6 patents)

Kimiji Nishimaki (6 out of 6 patents)

4. Hideaki Miyoshi (6 out of 6 patents)

5. Hiroshi Hasegawa (4 out of 115 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Kaijo Corporation. Retrieved from https://idiyas.com/company/kaijo

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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