Kanagawa, Japan

Seiichiro Kawashima

This inventor holds 3 USPTO granted patents. Top assignees: Matsushita Electric Industrial Co., Ltd., Nippon Telegraph and Telephone Corporation. Active years: 1999-2008.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Seiichiro Kawashima. Retrieved from https://idiyas.com/inventor/seiichiro-kawashima-aeualher

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


% Patents Active = 66.7

Average Co-Inventor Count = 3.3

ph-index = 2

Forward Citations = 25(Granted Patents)


Location History:

  • Yokohama, JP (1999)
  • Kanagawa, JP (2003 - 2008)

Company Filing History:


Years Active: 1999-2008

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3 patents (USPTO):Explore Patents

Title: Innovative Contributions of Seiichiro Kawashima

Introduction

Seiichiro Kawashima is a distinguished inventor based in Kanagawa, Japan, with a remarkable portfolio of patents that contribute to the advancement of optical communication technologies. He has secured a total of three patents, showcasing his innovative spirit and technical expertise.

Latest Patents

Among his latest inventions are three significant patents: a signal converter, an optical transmitter, and an optical fiber transmission system. The signal converter is a game changer that receives a multichannel video signal and converts it into a microwave signal. This microwave signal is uniquely modulated in phase with the video signal. The design includes a laser light source, a modulating section that adjusts both the phase and intensity of the output light, and a light receiver that processes the modulated output to extract the microwave signal.

Career Highlights

Seiichiro has had an impactful career, having worked at prominent companies, including Matsushita Electric Industrial Co., Ltd. and Nippon Telegraph and Telephone Corporation. His experience in these organizations has undoubtedly enriched his understanding and ability to innovate within the field of optical communications.

Collaborations

Throughout his career, Kawashima has collaborated with notable colleagues, including Masaru Fuse and Jun Ohya. These partnerships have allowed for a sharing of ideas and knowledge, further augmenting the innovative process behind his developments.

Conclusion

Seiichiro Kawashima's contributions to the field of optical technology through his patents highlight his significance as an inventor. His work continues to influence modern communication systems, affirming his legacy in the realm of innovation.

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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