Nara, Japan

Toshihisa Deguchi

This inventor holds 67 USPTO granted patents, primarily in Optical Memory Technology (CPC class 369 ). Top assignee: Sharp Kabushiki Kaisha Corporation. Active years: 1983-2000.


% Patents Active = 100.0

Average Co-Inventor Count = 4.4

ph-index = 18

Forward Citations = 862(Granted Patents)

Forward Citations (Not Self Cited) = 840(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Nara, US (1991)
  • Nara, JP (1983 - 2000)

Company Filing History:


Years Active: 1983-2000

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Areas of Expertise:
Optical Memory Apparatus
Magneto-Optical Memory Element
Data Management
Optical Recording Medium
Disk Recording Device
Tracking System
Semiconductor Laser
Feedback Control
Optical Retrieval System
Recording/Reproducing Device
Digital Signal Reproduction
Track Access System
67 patents (USPTO):Explore Patents

Title: Toshihisa Deguchi: A Pioneer in Optical Memory Technologies

Introduction

Toshihisa Deguchi, a distinguished inventor based in Nara, Japan, is renowned for his significant contributions to the field of optical memory. With an impressive portfolio of 67 patents, Deguchi has played a critical role in advancing technology that enhances data storage and retrieval processes.

Latest Patents

Among his latest inventions are the Optical Memory Apparatus and the Magneto-Optical Memory Element. Both patents introduce innovative designs that include a guide track groove portion and an address signal pit portion, which indicates the address of the guide track groove. Notably, the address signal pit portion features a pit width that is narrower than the groove width of the guide track groove portion, showcasing his commitment to refining optical memory technology.

Career Highlights

Toshihisa Deguchi is currently affiliated with Sharp Kabushiki Kaisha Corporation, where he leverages his expertise to develop groundbreaking solutions in the realm of optical memory. His dedication to innovation has not only earned him numerous accolades but has also positioned him as a thought leader within the technology sector.

Collaborations

Cogently, Deguchi has collaborated with esteemed colleagues such as Shigeo Terashima and Kenji Ohta. Together, they have pooled their knowledge and skills to pioneer advancements in optical memory, significantly enhancing the efficiency and capability of memory storage components.

Conclusion

In summary, Toshihisa Deguchi stands out as an influential inventor whose work continues to shape the future of optical memory technology. Through his ongoing efforts and collaborations, he has solidified his reputation as a key player in the field of innovations and inventions, paving the way for smarter and more efficient means of data storage.

Profile summary based on public USPTO records.
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