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For the Inventor, By the Inventor

Aichi, Japan

J & M Co., Ltd.

Calculating rank
USPTO Granted Patents = 4


Forward Citations = 214

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2 inventors (with patents filed for the assignee):

goldMedal Sadao Maeda (2 out of 13 patents)

silverMedal Hideo Goto (2 out of 2 patents)

bronzeMedal Sadao Maeda (0 patent)


4 patents:

1. 5011519 - In-line filter and trap structure device for compressed air (1991-04-30),
2. 4848989 - In-line filter assembly for compressed air (1989-07-18),
3. 4774148 - Composite sheet material for magnetic and electronic shielding and (1988-09-27),
4. 4647714 - Composite sheet material for magnetic and electronic shielding and (1987-03-03),
Company Overview
J & M Co., Ltd. is a leading manufacturer of high-quality electronic components based in Japan. With over 20 years of experience in the industry, we specialize in producing innovative products that meet the needs of our customers. Our commitment to quality and customer satisfaction has earned us a reputation as a trusted partner in the electronic components market.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Nov 3 2026

4 Patents

#173 in Aichi

#7,591 in Japan

Aichi, JP
Aichi, Japan

J & M Co., Ltd.

Forward Citations = 214

2 inventors:

goldMedal Sadao Maeda (2 out of 13 patents)

silverMedal Hideo Goto (2 out of 2 patents)

bronzeMedal Sadao Maeda (0 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: J & M Co., Ltd.. Retrieved from https://idiyas.com/company/j-and-m-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]
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