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Yamaichi Electric Mfg. Co., Ltd.

USPTO Granted Patents = 63

Trademarks = 1

Forward Citations = 1,153

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25 inventors (with patents filed for the assignee):

Noriyuki Matsuoka (31 out of 92 patents)

Kazumi Uratsuji (10 out of 38 patents)

Yoshinori Egawa (7 out of 7 patents)

4. Toru Takahashi (5 out of 15 patents)

5. Shinsuke Miura (4 out of 16 patents)

6. Susumu Ishizuka (3 out of 8 patents)

7. Masaaki Kubo (3 out of 26 patents)

8. Junji Ishida (3 out of 3 patents)

9. Hidetaka Nakano (3 out of 3 patents)

10. Yoshiyuki Kato (2 out of 58 patents)

11. Shunji Abe (2 out of 34 patents)

12. Sueji Shibata (2 out of 8 patents)

13. Ryuichi Nakamura (2 out of 6 patents)

14. Kinichi Nishikawa (2 out of 2 patents)

15. Toshihiro Sakurai (2 out of 2 patents)

Core Competencies:

IC Socket

Connector For Electric Parts

IC Carrier

Contact Structure

Impact Test Hammer

Optical Fiber Cable Fixing

Specific Gravity Detector

Viscosity Detector

IC Package Connector

Card Connector

Lock Mechanism

Shutter Mechanism

63 patents: Sort by Forward Citations

1. 5109980 - IC carrier with shaft coupling (1992-05-05),

2. 5106309 - IC socket (1992-04-21),

3. 5100332 - IC socket (1992-03-31),

4. 5078626 - Connector for electric parts (1992-01-07),

5. 5078610 - IC socket (1992-01-07),

6. 5076798 - Shutter mechanism of a contact in an IC socket (1991-12-31),

7. 5070389 - IC removing mechanism in IC socket (1991-12-03),

8. 5059135 - Contact in a socket for an electric part (1991-10-22),

9. 5045923 - Contact structure in socket with IC carrier placed thereon (1991-09-03),

10. 5044810 - IC socket having cover with locking member (1991-09-03),

11. 5037321 - Connector for electric part (1991-08-06),

12. 5028985 - IC carrier (1991-07-02),

13. 5025655 - Impact test hammer (1991-06-25),

14. 5021868 - IC carrier (1991-06-04),

15. 5018981 - Contact equipped with a bypass element (1991-05-28),

Yamaichi Electric Mfg. Co., Ltd. is a global company specializing in the development and manufacturing of various electrical products. With a rich history spanning over 95 years, Yamaichi Electric is committed to providing innovative solutions that meet the evolving needs of their customers. Their product portfolio includes connectors, cables, and other electronic components essential for various industries such as automotive, telecommunications, and industrial automation. Yamaichi Electric's dedication to quality, reliability, and customer satisfaction has made them a trusted partner for businesses worldwide.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

63 Patents

#619 in Tokyo

#1,463 in Japan

#11,331 in the World

Yamaichi Electric Mfg. Co., Ltd.

Forward Citations = 1,153

25 inventors:

Noriyuki Matsuoka (31 out of 92 patents)

Kazumi Uratsuji (10 out of 38 patents)

Yoshinori Egawa (7 out of 7 patents)

4. Toru Takahashi (5 out of 15 patents)

5. Shinsuke Miura (4 out of 16 patents)

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