Hayami Matsunaga

This inventor holds 11 USPTO granted patents. Top assignees: Matsushita Electric Industrial Co., Ltd., W.t. Device Company, Inc.. Active years: 1996-2008.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hayami Matsunaga. Retrieved from https://idiyas.com/inventor/hayami-matsunaga

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 11

% Patents Active = 90.9

Average Co-Inventor Count = 3.4

ph-index = 8

Forward Citations = 139(Granted Patents)

Location History:

Hirakata, JP (1996 - 2001)
Osaka, JP (2000 - 2008)

Company Filing History:

10 out of 27,375

Matsushita Electric Industrial Co., Ltd.

patents

1 out of 1

W.t. Device Company, Inc.

patent

Years Active: 1996-2008

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11 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7408997 - Modulation/demodulation apparatus using matrix and anti-matrix (2008-08-05),

2. 7358445 - Circuit substrate and apparatus including the circuit substrate (2008-04-15),

3. 6861744 - Multilayer ceramic substrate utilizing an intaglio plate with a plurality of grooves having different depths (2005-03-01),

4. 6429114 - Method for fabricating a multilayer ceramic substrate (2002-08-06),

5. 6374733 - Method of manufacturing ceramic substrate (2002-04-23),

6. 6303989 - Integrated circuit device on metal board with CPU power converter (2001-10-16),

7. 6132543 - Method of manufacturing a packaging substrate (2000-10-17),

8. 6051448 - Method of manufacturing an electronic component (2000-04-18),

9. 5742097 - Multilevel semiconductor integrated circuit device (1998-04-21),

10. 5652462 - Multilevel semiconductor integrated circuit device (1997-07-29),

11. 5490041 - Semiconductor integrated circuit module and a semiconductor integrated (1996-02-06),

Title: Hayami Matsunaga: Innovator in Modulation and Circuit Technology

Introduction

Hayami Matsunaga is a prominent inventor based in Osaka, Japan. He has made significant contributions to the fields of modulation and circuit technology. With a total of 11 patents to his name, Matsunaga has developed innovative solutions that enhance communication systems and circuit design.

Latest Patents

Matsunaga's latest patents include a modulation/demodulation apparatus using matrix and anti-matrix. This system utilizes multiple sub-carrier frequencies and an oversampling positive integer, featuring both a modulation circuit and a demodulation circuit. The modulation circuit incorporates a modulation ROM that stores columns of elements in a modulation ROM matrix. The demodulation circuit consists of a ROM that stores elements of a combined matrix, generated from inverse matrices derived from the modulation ROM. Another notable patent is a circuit substrate and apparatus that includes a substrate with distinct surface characteristics. This substrate is designed for mounting devices or being integrated with other substrates, showcasing Matsunaga's expertise in circuit design.

Career Highlights

Throughout his career, Matsunaga has worked with notable companies such as Matsushita Electric Industrial Co., Ltd. and W.T. Device Company, Inc. His experience in these organizations has allowed him to refine his skills and contribute to various technological advancements.

Collaborations

Matsunaga has collaborated with esteemed colleagues, including Masaaki Hayama and Masao Iwata. These partnerships have fostered innovation and have been instrumental in the development of his patented technologies.

Conclusion

Hayami Matsunaga is a distinguished inventor whose work in modulation and circuit technology has made a lasting impact. His innovative patents and collaborations reflect his commitment to advancing technology in meaningful ways.

Profile summary based on public USPTO records.

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]