Toshifumi Fujii

This inventor holds 10 USPTO granted patents. Top assignees: Mitsubishi Denki Kabushiki Kaisha, Rohm Co., Ltd.. Active years: 1985-1995.

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

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

USPTO Granted Patents = 10

% Patents Active = 100.0

Average Co-Inventor Count = 1.8

ph-index = 6

Forward Citations = 104(Granted Patents)

Location History:

Nagaokakyo, JP (1985 - 1991)
Kyoto, JP (1991 - 1995)

Company Filing History:

8 out of 21,351

Mitsubishi Denki Kabushiki Kaisha

Years Active: 1985-1995

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10 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5463325 - Apparatus for measuring characteristics of electronic parts (1995-10-31),

2. 5446552 - Video signal recording/reproducing apparatus (1995-08-29),

3. 5434513 - Semiconductor wafer testing apparatus using intermediate semiconductor (1995-07-18),

4. 5214515 - Video signal recording/reproducing apparatus (1993-05-25),

5. 5067031 - Method and apparatus for processing video signals recorded on or (1991-11-19),

6. 5010404 - Characteristics corrector (1991-04-23),

7. 4809097 - Magnetic recording and reproducing apparatus (1989-02-28),

8. 4691251 - Magnetic recording and reproducing apparatus in which recording is (1987-09-01),

9. 4604656 - Tape stop position detecting apparatus and magnetic video reproducing (1986-08-05),

10. 4495525 - Magnetic video reproducing apparatus having still picture reproducing (1985-01-22),

Title: The Innovations of Toshifumi Fujii

Introduction

Toshifumi Fujii is a notable inventor based in Kyoto, Japan. He has made significant contributions to the field of electronics, holding a total of 10 patents. His work primarily focuses on improving measurement techniques and video signal processing.

Latest Patents

One of his latest patents is an apparatus for measuring characteristics of electronic parts. This innovative measuring apparatus allows for the electrical characteristics of electronic parts to be measured in a substantially reduced measurement time. It includes a tray for mounting multiple electronic parts, a measuring mechanism with several measuring terminals, and a drive mechanism that facilitates the movement of the tray and measuring mechanism relative to each other. This design ensures that the electrodes of the electronic parts engage the corresponding measuring terminals effectively.

Another significant patent is a video signal recording/reproducing apparatus. This device is designed to reproduce a video signal recorded on a record medium using an L-channel/S-segment recording system. The apparatus adjusts the record medium's travelling speed, the output from comparators, and the guard band width to ensure that the writing of the video signal in a field memory does not omit any portion of the video signal. Four embodiments of this technology have been disclosed.

Career Highlights

Toshifumi Fujii has worked with prominent companies such as Mitsubishi Electric Corporation and Rohm Co., Ltd. His experience in these organizations has allowed him to develop and refine his innovative ideas in electronics.

Collaborations

Throughout his career, Fujii has collaborated with notable individuals, including Sadayuki Inoue and Masayoshi Koine. These collaborations have contributed to the advancement of his inventions and the overall progress in the field.

Conclusion

Toshifumi Fujii's contributions to electronics through his patents and collaborations highlight his innovative spirit and dedication to advancing technology. His work continues to influence the industry and inspire future inventors.

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]