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For the Inventor, By the Inventor

Higashihiroshima, Japan

Shigeki Tsuji

USPTO Granted Patents = 11

Average Co-Inventor Count = 2.7

ph-index = 7

Forward Citations = 304(Granted Patents)


Location History:

  • Tenri, JP (1982 - 1983)
  • Hiroshima, JP (1990 - 1991)
  • Higashihiroshima, JP (1991 - 1997)

Company Filing History:

goldMedal11 out of 25,621 
 
Sharp Kabushiki Kaisha Corporation
 patents

Years Active: 1982-1997

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11 patents (USPTO):Explore Patents
1. 5648943 - Disk recording/reproduction device of reduced thickness with driving (1997-07-15),
2. 5446719 - Optical information reproducing apparatus (1995-08-29),
3. 5442598 - Information reproduction apparatus with control means for plural track (1995-08-15),
4. 5430703 - Track jump prediction control of memory mode (1995-07-04),
5. 5391865 - Optical pickup apparatus and optical grating assembly therefor (1995-02-21),
6. 5048000 - Optical information reading apparatus comprising a diffraction grating (1991-09-10),
7. 4998806 - Image reading apparatus (1991-03-12),
8. 4983017 - Optical head device for reading information stored in a recording medium (1991-01-08),
9. 4918300 - Optical pickup system having multiple diffraction devices and lens (1990-04-17),
10. 4384284 - Keyboard operated audio visual system (1983-05-17),
11. 4310838 - Instruction controlled audio visual system (1982-01-12),

Title: Shigeki Tsuji: Innovator in Disk Recording Technology

Introduction

Shigeki Tsuji is a prominent inventor based in Higashihiroshima, Japan. With an impressive portfolio of 11 patents, Tsuji has made significant contributions to the field of disk recording and reproduction technologies. His innovative ideas and technical expertise have cemented his reputation as a leading figure in his domain.

Latest Patents

Among Tsuji's noteworthy inventions, his latest patents include a disk recording/reproduction device designed to reduce thickness. This device features a recording medium consisting of a disk and a protective case, complemented by a sophisticated loading mechanism. This mechanism facilitates the movement of the recording medium from an external position to an operational state inside the device. Additionally, Tsuji has developed an optical information reproducing apparatus that utilizes a light emitting and receiving unit, along with an advanced optical system to enhance the efficiency of light converging on the recording medium.

Career Highlights

Tsuji has been an integral part of Sharp Corporation, known for its commitment to innovation and technology. His career has been marked by continuous advancement in disk recording technologies, leading to a series of patents that reflect his dedication to pushing the boundaries of what is possible in this field.

Collaborations

Throughout his career, Tsuji has collaborated with several talented individuals, including Yukio Kurata and Yukihiko Haikawa. These collaborations have fostered an environment of creativity and innovation, contributing to the successful development of advanced technologies and patents.

Conclusion

Shigeki Tsuji remains a significant contributor to the innovation landscape, particularly in disk recording technology. His work at Sharp Corporation and collaborative efforts underscore his influence and commitment to advancing technological frontiers. With each patent, Tsuji continues to pave the way for future developments in the field, making substantial strides towards more efficient and effective recording solutions.

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