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For the Inventor, By the Inventor

Tokyo, Japan

Kiyotaka Yanaka

This inventor holds 15 USPTO granted patents. Top assignees: Sony Corporation, Other. Active years: 1992-1996.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kiyotaka Yanaka. Retrieved from https://idiyas.com/inventor/kiyotaka-yanaka

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

USPTO Granted Patents = 15

% Patents Active = 100.0

Average Co-Inventor Count = 2.0

ph-index = 4

Forward Citations = 42(Granted Patents)


Company Filing History:

goldMedal14 out of 58,145 
 
Sony Corporation
 patents
silverMedal1 out of 834,513 
Other
 patents

Years Active: 1992-1996

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15 patents (USPTO):Explore Patents
1. 5506738 - Tape cassette with tape guide support structure (1996-04-09),
2. D346597 - Magnetic tape cassette (1994-05-03),
3. 5276580 - Tape cassette including a spool locking member (1994-01-04),
4. D337112 - Magnetic tape cassette (1993-07-06),
5. D336642 - Magnetic tape cassette (1993-06-22),
6. 5218502 - Tape cassette (1993-06-08),
7. 5210670 - Reel brake operable from both sides of magnetic tape cassette (1993-05-11),
8. 5206781 - Magnetic tape cassette having a protective plug to avoid erroneous (1993-04-27),
9. D334186 - Magnetic tape cassette (1993-03-23),
10. 5195001 - Rotary head type tape recording and/or reproducing apparatus (1993-03-16),
11. D333303 - Magnetic tape cassette (1993-02-16),
12. 5173830 - Tape cassette with tapered self-aligning reel hubs (1992-12-22),
13. D331581 - Magnetic tape cassette (1992-12-08),
14. D330372 - Magnetic tape cassette (1992-10-20),
15. 5140487 - Magnetic tape cassette having dynamic tape guide (1992-08-18),

Title: The Inspiring Journey of Inventor Kiyotaka Yanaka

Introduction: Kiyotaka Yanaka, a distinguished inventor based in Tokyo, Japan, has made significant contributions to the realm of technology, holding an impressive portfolio of 15 patents. His innovative spirit and dedication to improving technology have led to the development of groundbreaking inventions, particularly in the field of audio and tape technology.

Latest Patents: Among Kiyotaka Yanaka's most recent inventions is a patent for a tape cassette with a tape guide support structure. This innovative tape cassette design incorporates a pair of pinch rollers that function to guide a magnetic tape within the cassette opening. The design features roller shafts that are rotatably supported, allowing for a self-aligning effect of the pinch rollers. This advancement mitigates dimensional and installation inaccuracies, preventing the roller shafts from being deflected by capstan pressure, thereby enhancing the overall efficiency and reliability of magnetic tape playback.

Career Highlights: Kiyotaka Yanaka has had a notable career, contributing his expertise to renowned companies such as Sony Corporation. His work has had a lasting impact on the audio industry, influencing the way tape technology is engineered and utilized.

Collaborations: Throughout his career, Yanaka has worked alongside talented colleagues such as Masato Tanaka and Fumitaka Kikutani. These collaborations have fostered a creative environment, leading to the development of innovative solutions and products within the technology sector.

Conclusion: Kiyotaka Yanaka stands as a testament to the power of innovation and collaboration in the world of inventions. His contributions, particularly in the field of tape technology, continue to influence and inspire future generations of inventors. As technology advances, the impact of his patents will undoubtedly remain significant, paving the way for further innovations in the industry.

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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