Ashigarakami, Japan

Osamu Takanashi

This inventor holds 8 USPTO granted patents. Top assignees: Fuji Xerox Co., Ltd., Fuji Photo Film Company, Limited. Active years: 2005-2008.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Osamu Takanashi. Retrieved from https://idiyas.com/inventor/osamu-takanashi

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


% Patents Active = 37.5

Average Co-Inventor Count = 12.1

ph-index = 4

Forward Citations = 25(Granted Patents)


Location History:

  • Ashigarakami-gun, JP (2005 - 2008)
  • Kanagawa, JP (2006 - 2008)
  • Nakai-machi, JP (2008)

Company Filing History:


Years Active: 2005-2008

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8 patents (USPTO):Explore Patents

Title: The Innovations of Osamu Takanashi

Introduction

Osamu Takanashi is a notable inventor based in Ashigarakami-gun, Japan. He has made significant contributions to the field of optical transmission technology, holding a total of eight patents. His work has been instrumental in advancing communication devices that are both cost-effective and convenient.

Latest Patents

Takanashi's latest patents include an optical transmission device that employs a vertical cavity surface-emitting laser diode as a light source. This innovative device features first and second light-emitting regions. When connected to an optical fiber with a specific core diameter, the light emitted from the first region enters the first core. Additionally, when a second optical fiber with a larger core diameter is connected, light from both regions enters the second core. This design allows for the connection of multiple optical fibers with different core diameters, enhancing versatility in communication systems. Another significant patent is a signal transmission device that includes a transmission-side detection unit. This unit detects image information from an inputted electrical signal and controls the output of the optical signal based on the detection results and the status of the received signal. This innovation ensures efficient signal transmission and enhances the reliability of communication devices.

Career Highlights

Throughout his career, Takanashi has worked with prominent companies such as Fuji Xerox Co., Ltd. and Fuji Photo Film Company, Limited. His experience in these organizations has contributed to his expertise in optical technologies and communication systems.

Collaborations

Takanashi has collaborated with notable colleagues, including Shinya Kyozuka and Shinobu Ozeki. Their combined efforts have led to advancements in the field of optical transmission and signal processing.

Conclusion

Osamu Takanashi's contributions to optical transmission technology and his innovative patents have significantly impacted the field of communication. His work continues to influence the development of efficient and versatile communication devices.

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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