Osaka, Japan

Seiji Sakashita

This inventor holds 51 USPTO granted patents and 1 EPO patent, primarily in OFDM Signal Transmission (CPC class 4551). Top assignees: Matsushita Electric Industrial Co., Ltd., Panasonic Corporation, Panasonic Intellectual Property Management Co., Ltd.. Active years: 1987-2020.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Seiji Sakashita. Retrieved from https://idiyas.com/inventor/seiji-sakashita

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


% Patents Active = 78.4

 

Average Co-Inventor Count = 2.9

ph-index = 11

Forward Citations = 597(Granted Patents)

Forward Citations (Not Self Cited) = 594(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Kyoto, JP (1989)
  • Yahata, JP (1991)
  • Yawata, JP (1987 - 1993)
  • Hirakata, JP (1993 - 2010)
  • Osaka, JP (1997 - 2020)

Company Filing History:


Years Active: 1987-2020

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Areas of Expertise:
OFDM
Digital Demodulation
Communication System
E-commerce
Transmission Apparatus
Reception Apparatus
Forward Error Correction
VSB Demodulator
Signal Transmission
Digital Signal Error Reduction
Portable Terminal
Demodulator
51 patents (USPTO):Explore Patents

Title: The Innovative Journey of Seiji Sakashita: A Pioneer in Technology

Introduction: Seiji Sakashita, based in Osaka, Japan, is a renowned inventor with a remarkable portfolio of 51 patents. His contributions to technology, particularly in communication and e-commerce, have made a significant impact in the industry. Through his inventive spirit and diligent work, he has continuously pushed the boundaries of what is possible.

Latest Patents: Among his latest inventions are the OFDM (Orthogonal Frequency Division Multiplexing) signal transmission system and the innovative portable terminal for e-commerce. The portable terminal features a receiver, a barcode former configured to create barcodes, and a display that showcases the generated barcode. This advancement aids in streamlining transactions and enhancing the user experience in portable commerce.

Career Highlights: Seiji Sakashita has had an illustrious career, working with prestigious companies like Matsushita Electric Industrial Co., Ltd. and Panasonic Corporation. His work has not only revolutionized product designs but also set new standards for electronic communication technologies.

Collaborations: Throughout his career, Sakashita has collaborated with notable professionals in the field, including Mitsuaki Oshima and Kenichiro Hayashi. These partnerships have fueled innovative projects and have led to the creation of groundbreaking technologies that continue to influence the market.

Conclusion: Seiji Sakashita’s innovations reflect a deep understanding of technology and a commitment to improving modern communication tools. His patents demonstrate his ability to enhance the functionality and accessibility of electronic devices, solidifying his place among the leading inventors of our time. As he continues to forge ahead, the industry eagerly anticipates his next groundbreaking ideas.

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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