Tokyo, Japan

Yasunori Kasahara

This inventor holds 8 USPTO granted patents. Top assignees: Mitsubishi Denki Kabushiki Kaisha, Kddi Corporation, Kddi Submarine Cable Systems Inc.. Active years: 1992-2007.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yasunori Kasahara. Retrieved from https://idiyas.com/inventor/yasunori-kasahara

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

Calculating rank

% Patents Active = 87.5

Average Co-Inventor Count = 2.6

ph-index = 5

Forward Citations = 62(Granted Patents)


Location History:

  • Kanagawa, JP (1992 - 1996)
  • Fukuyama, JP (1996)
  • Kamakura, JP (1998)
  • Tokyo, JP (2004 - 2007)

Company Filing History:


Years Active: 1992-2007

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8 patents (USPTO):Explore Patents

Title: Yasunori Kasahara: Innovator in Optical Technology

Introduction

Yasunori Kasahara is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of optical technology, holding a total of 8 patents. His work focuses on enhancing optical communication systems, particularly through innovative repeating systems and control methods.

Latest Patents

Among his latest patents is an optical repeating system that includes an optical transmitter and multiple optical amplifying repeaters. This system allows the optical transmitter to specify certain optical amplifying repeaters and transmit supervisory commands to them via an uplink or downlink optical transmission line. The supervisory command is designed to monitor the internal circuits of the optical amplifying repeaters. Upon receiving this command, the repeaters send back supervisory signals that indicate the results of the supervision. This innovation significantly reduces the time required to acquire supervisory information about multiple optical amplifying repeaters. Another notable patent involves a control method for optical amplifying repeaters, which enables them to restart their control programs even after encountering operational difficulties.

Career Highlights

Yasunori Kasahara has worked with notable companies such as Mitsubishi Electric Corporation and KDDI Corporation. His experience in these organizations has allowed him to develop and refine his expertise in optical technologies, contributing to advancements in the field.

Collaborations

Throughout his career, Yasunori has collaborated with esteemed colleagues, including Hideki Goto and Takashi Mizuochi. These partnerships have fostered a collaborative environment that has led to innovative solutions in optical communication.

Conclusion

Yasunori Kasahara's contributions to optical technology through his patents and collaborations highlight his role as a key innovator in the field. His work continues to influence advancements in optical communication systems, showcasing the importance of innovation in technology.

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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