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For the Inventor, By the Inventor

Tokyo, Japan

Masayuki Ishiwa

This inventor holds 10 USPTO granted patents. Top assignees: The Furukawa Electric Co., Ltd., Other. Active years: 2002-2007.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masayuki Ishiwa. Retrieved from https://idiyas.com/inventor/masayuki-ishiwa

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

USPTO Granted Patents = 10

% Patents Active = 20.0

Average Co-Inventor Count = 3.8

ph-index = 6

Forward Citations = 179(Granted Patents)


Location History:

  • Hiratsuka, JP (2002 - 2003)
  • Tokyo, JP (2003 - 2007)

Company Filing History:

goldMedal7 out of 2,643 
 
The Furukawa Electric Co., Ltd.
 patents
silverMedal3 out of 834,570 
Other
 patents

Years Active: 2002-2007

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10 patents (USPTO):Explore Patents
1. 7283636 - Planar speaker (2007-10-16),
2. 6917345 - Small antenna and manufacturing method thereof (2005-07-12),
3. 6720924 - Antenna apparatus (2004-04-13),
4. 6686406 - Dielectric ceramic, resin-ceramic composite material, electrical part and antenna, and manufacturing method thereof (2004-02-03),
5. 6653572 - Multilayer circuit board (2003-11-25),
6. 6642907 - Antenna device (2003-11-04),
7. 6630911 - Compact antenna and producing method thereof (2003-10-07),
8. 6630906 - Chip antenna and manufacturing method of the same (2003-10-07),
9. 6593847 - Planar acoustic converting apparatus (2003-07-15),
10. 6347890 - Optical ferrule (2002-02-19),

Title: The Innovative Mind of Masayuki Ishiwa

Introduction

Masayuki Ishiwa is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of acoustic technology and antenna design. With a total of 10 patents to his name, Ishiwa's work reflects a commitment to innovation and excellence.

Latest Patents

One of his latest patents is for a planar speaker. This invention provides a planar acoustic transducer that includes a vibrating diaphragm with a spiral voice coil. The voice coil is applied onto a sheet-like substrate with an adhesive layer. Additionally, the diaphragm may be reinforced with a rigidity-imparting member, and the substrate is formed of resin foam. Another notable patent is for a small antenna, which comprises an antenna conductor and a dielectric chip formed around the conductor through multiple resin moldings. These inventions showcase Ishiwa's ability to blend creativity with technical expertise.

Career Highlights

Throughout his career, Masayuki Ishiwa has worked with notable companies, including Furukawa Electric Co., Ltd. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking projects in the field of electronics.

Collaborations

Ishiwa has collaborated with talented individuals such as Takahiro Ueno and Isao Tomomatsu. These partnerships have fostered an environment of creativity and innovation, leading to the development of advanced technologies.

Conclusion

Masayuki Ishiwa's contributions to the fields of acoustic technology and antenna design are noteworthy. His innovative patents and collaborations highlight his role as a leading inventor in Japan. Ishiwa's work continues to inspire future generations of inventors and engineers.

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]
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