% Expired Patents = 16.7

Forward Citations = 191

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4 inventors (with patents filed for the assignee):

Shuji Hata (3 out of 3 patents)

Masahiro Anzai (2 out of 4 patents)

Osamu Murasawa (1 out of 8 patents)

4. Kotaku Sato (1 out of 1 patent)

6 patents: Sort by Forward Citations

1. D561708 - Jack plate (2008-02-12),

2. 7008247 - Jack having switch (2006-03-07),

3. D497877 - Jack plate (2004-11-03),

4. 5501131 - Decorative light blinking device using PLL circuitry for blinking to (1996-03-26),

5. 5402702 - Trigger circuit unit for operating light emitting members such as leds (1995-04-04),

6. 5245295 - Method of detecting a variation in stray capacitance by use of a PLL (1993-09-14),

Company Overview

Jalco Co., Ltd. is a Japanese company specializing in the manufacturing of electronic components and devices. With a history dating back to 1958, Jalco has established itself as a leading provider of high-quality products for various industries including automotive, consumer electronics, and telecommunications. The company's commitment to innovation and customer satisfaction has earned them a reputation for excellence in the industry.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

6 Patents

#2,469 in Tokyo

#5,990 in Japan

Tokyo, Japan

Jalco Co., Ltd.

Forward Citations = 191

4 inventors:

Shuji Hata (3 out of 3 patents)

Masahiro Anzai (2 out of 4 patents)

Osamu Murasawa (1 out of 8 patents)

4. Kotaku Sato (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Jalco Co., Ltd.. Retrieved from https://idiyas.com/company/jalco-company

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]