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For the Inventor, By the Inventor

Kanagawa, Japan

Yoichirou Senshu

This inventor holds 13 USPTO granted patents. Top assignee: Sony Corporation. Active years: 1991-2003.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoichirou Senshu. Retrieved from https://idiyas.com/inventor/yoichirou-senshu

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

USPTO Granted Patents = 13

% Patents Active = 100.0

Average Co-Inventor Count = 3.4

ph-index = 4

Forward Citations = 63(Granted Patents)


Company Filing History:

goldMedal13 out of 58,147 
 
Sony Corporation
 patents

Years Active: 1991-2003

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13 patents (USPTO):Explore Patents
1. 6631242 - Apparatus for recording and reproducing digital picture data (2003-10-07),
2. 6198589 - Video tape recording apparatus (2001-03-06),
3. 6128150 - Video tape recording apparatus for recording reproduction control (2000-10-03),
4. 5862293 - Tracking control for digital signal reproducing and after-recording (1999-01-19),
5. 5671101 - Tracking control circuit for maintaining substantial balance between (1997-09-23),
6. 5502608 - Tape cassette (1996-03-26),
7. 5453892 - Rotary magnetic head drum with fluid bearing and with head chips mounted (1995-09-26),
8. 5390870 - Recording medium cassette and a recording/reproducing apparatus (1995-02-21),
9. 5369531 - Digital video signal recording apparatus with leading and trailing heads (1994-11-29),
10. 5359428 - Digital video recorder operable in standard and long play modes (1994-10-25),
11. 5322237 - Lid assembly for a tape cassette which protects front and rear surfaces (1994-06-21),
12. 5316236 - Tape supplying and taking up apparatus and tape cassettes for use (1994-05-31),
13. 5072316 - Recording apparatus (1991-12-10),

Title: Yoichirou Senshu: Innovator in Digital Recording Technology

Introduction

Yoichirou Senshu is a prominent inventor based in Kanagawa, Japan. He has made significant contributions to the field of digital recording technology, holding a total of 13 patents. His work has been instrumental in advancing the efficiency and quality of digital picture data recording.

Latest Patents

Senshu's latest patents include an "Apparatus for recording and reproducing digital picture data." This innovative apparatus reduces the large number of data bits in the digital picture signal by a ratio of approximately 1:9. The compressed data is recorded with a density of at least approximately 0.8 bit/&mgr;m on a metal evaporated magnetic tape, which has predefined characteristics. The tape is designed to be no more than approximately 8 mm in width and 7 &mgr;m in thickness, and it is wound in a relatively small-sized cassette.

Another notable patent is the "Video tape recording apparatus." This magnetic recording apparatus records signals on a magnetic tape, utilizing a recording head that captures signals in successive tracks. The tape transport mechanism ensures that the magnetic tape is moved past the recording head in a precise recording direction. This invention includes features such as absolute track addresses, which correspond to the distance of each track from the start position of the magnetic tape.

Career Highlights

Senshu has dedicated his career to the development of advanced recording technologies. His work at Sony Corporation has allowed him to collaborate with other talented engineers and inventors in the field. His innovative approaches have led to significant advancements in how digital data is recorded and reproduced.

Collaborations

One of his notable coworkers is Akihiro Uetake. Together, they have worked on various projects that have pushed the boundaries of digital recording technology.

Conclusion

Yoichirou Senshu's contributions to digital recording technology have made a lasting impact on the industry. His innovative patents and dedication to his work at Sony Corporation highlight his role as a leading inventor in this field.

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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