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For the Inventor, By the Inventor

Yokohama, Japan

Masahiko Tsuruta

USPTO Granted Patents = 8

Average Co-Inventor Count = 1.8

ph-index = 5

Forward Citations = 61(Granted Patents)


Company Filing History:

goldMedal8 out of 2,887 
 
Victor Company of Japan, Limited
 patents

Years Active: 1984-1989

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8 patents (USPTO):Explore Patents
1. 4811122 - Magnetic recording/reproducing apparatus which accomodates different (1989-03-07),
2. 4719518 - Magnetic recording apparatus for carrying out recording by selectively (1988-01-12),
3. 4639805 - Combination of reproducing heads and a rotary transformer device (1987-01-27),
4. 4626934 - Cue signal recording circuit for magnetic recording and reproducing (1986-12-02),
5. 4614985 - Recording/reproduced signal switching system for a 4-head type recording (1986-09-30),
6. 4605976 - Recording and/or reproducing system for a 4-head type recording and/or (1986-08-12),
7. 4470079 - Tracking control system in a magnetic recording and reproducing apparatus (1984-09-04),
8. 4433350 - Tracking error detection system in a magnetic reproducing apparatus (1984-02-21),

Title: The Innovative Contributions of Masahiko Tsuruta

Introduction

Masahiko Tsuruta is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of magnetic recording technology, holding a total of eight patents. His work has advanced the capabilities of recording and reproducing apparatuses, making them more versatile and efficient.

Latest Patents

One of Tsuruta's latest patents is a magnetic recording/reproducing apparatus that accommodates different types of tape cassettes. This innovative device includes a cassette discriminating circuit that identifies whether a loaded tape cassette contains a standard tape or a high-performance tape during recording. Additionally, it features a mode discriminating circuit that determines the recording mode based on the signal reproduced from the tape. The apparatus automatically switches operation modes based on these discriminations, allowing high-performance tapes to be played in either standard or high-quality modes. Another significant patent involves a magnetic recording apparatus that utilizes a selective recording system. This apparatus comprises multiple rotary magnetic heads and circuits designed to produce various signals, enabling efficient recording through different systems.

Career Highlights

Masahiko Tsuruta has spent a considerable part of his career at the Victor Company of Japan, Limited. His work at this esteemed company has allowed him to develop groundbreaking technologies in magnetic recording. Tsuruta's patents reflect his commitment to innovation and his ability to address the evolving needs of the recording industry.

Collaborations

Throughout his career, Tsuruta has collaborated with talented individuals such as Akira Hirota and Koichi Kido. These collaborations have contributed to the development of advanced technologies and have fostered a creative environment for innovation.

Conclusion

Masahiko Tsuruta's contributions to magnetic recording technology have had a lasting impact on the industry. His innovative patents demonstrate his expertise and commitment to advancing recording technologies. Tsuruta's work continues to influence the field, showcasing the importance of innovation in technology.

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