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For the Inventor, By the Inventor

Kanagawa, Japan

Toshikazu Fujii

This inventor holds 7 USPTO granted patents. Top assignee: Kabushiki Kaisha Toshiba. Active years: 1992-2020.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toshikazu Fujii. Retrieved from https://idiyas.com/inventor/toshikazu-fujii

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

USPTO Granted Patents = 7

% Patents Active = 85.7

Average Co-Inventor Count = 1.3

ph-index = 3

Forward Citations = 53(Granted Patents)


Location History:

  • Kanagawa, JP (1992 - 2006)
  • Yokohama Kanagawa, JP (2020)

Company Filing History:

goldMedal7 out of 53,262 
 
Kabushiki Kaisha Toshiba
 patents

Years Active: 1992-2020

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7 patents (USPTO):Explore Patents
1. 10581422 - PWM modulator (2020-03-03),
2. 7075864 - Pre-pit signal generator compensating a pre-pit signal damped, semiconductor integrated circuit, recording and playback apparatus, and pre-pit signal generation method (2006-07-11),
3. 5854718 - Record amplifying circuit for respectively serially and differentially (1998-12-29),
4. 5852527 - Amplifying circuit for magnetic record and playback apparatus having (1998-12-22),
5. 5701103 - Amplifying circuit with DC voltage feedback to base terminal for (1997-12-23),
6. 5159211 - Extreme level circuit (1992-10-27),
7. 5099315 - Circuit for separating luminance and chrominance signals from a (1992-03-24),

Title: The Innovations of Toshikazu Fujii

Introduction

Toshikazu Fujii is a prominent inventor based in Kanagawa, Japan. He has made significant contributions to the field of technology, particularly in the development of advanced electronic devices. With a total of 7 patents to his name, Fujii has established himself as a key figure in innovation.

Latest Patents

Fujii's latest patents include a PWM modulator, which features a first comparator that compares a first input signal with a first carrier, and a second comparator that does the same with a second input signal. This innovative design allows for the output of comparison results while switching between the two comparators in a cycle. Another notable patent is the pre-pit signal generator, which is part of a recording and playback apparatus. This apparatus includes a drive unit that rotates an optical recording medium and a recording and playback unit that uses a light beam to perform recording and playback functions. The system is designed to generate a position tracking signal based on reflected light beams detected by two photo detection areas.

Career Highlights

Fujii is currently employed at Kabushiki Kaisha Toshiba, where he continues to push the boundaries of technology. His work has been instrumental in enhancing the performance and efficiency of electronic devices. His innovative spirit and technical expertise have made a lasting impact on the industry.

Collaborations

Fujii has collaborated with notable colleagues such as Yasuhiro Kakitsuka and Takashi Koga. Their combined efforts have led to advancements in various technological fields, further showcasing the importance of teamwork in innovation.

Conclusion

Toshikazu Fujii's contributions to technology through his patents and collaborations highlight his role as a leading inventor. His work continues to influence the development of electronic devices, making him a significant figure in the world 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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