Mito, Japan

Masataka Kasai

This inventor holds 1 USPTO granted patent. Top assignee: Hitachi, Ltd.. Active years: 1979.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masataka Kasai. Retrieved from https://idiyas.com/inventor/masataka-kasai-2akpztmf

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


% Patents Active = 100.0

Average Co-Inventor Count = 6.0

ph-index = 1

Forward Citations = 14(Granted Patents)


Company Filing History:


Years Active: 1979

Loading Chart...
1 patent (USPTO):Explore Patents

Title: Masataka Kasai: Innovator in Magnetic Tape Technology

Introduction

Masataka Kasai is a notable inventor based in Mito, Japan. He has made significant contributions to the field of video tape recording technology. His innovative work has led to the development of a unique magnetic tape scanning assembly.

Latest Patents

Masataka Kasai holds a patent for a magnetic tape scanning assembly designed for use in video tape recorders. This invention includes guiding drums made from a specific aluminum-silicon alloy, which consists of 8 to 15% by weight of silicon, 1 to 4% by weight of copper, and 0.05 to 0.6% by weight of magnesium, with the balance being aluminum. The mean grain size of the silicon crystal in the eutectic structure is controlled to be 5 µm or less. The drums feature a diagonal or helical guiding path on their peripheries, which includes generally continuous, fine machining lines with a roughness (H max) of 1 to 6 µm, preferably 2 to 5 µm, aligned with the sliding travel of the magnetic tape.

Career Highlights

Masataka Kasai is associated with Hitachi, Ltd., where he has contributed to advancements in video technology. His work has been instrumental in enhancing the performance and reliability of video tape recorders.

Collaborations

He has collaborated with notable coworkers, including Takeo Tamamura and Naotatsu Asahi, to further innovate in the field of magnetic tape technology.

Conclusion

Masataka Kasai's contributions to the development of magnetic tape scanning technology have had a lasting impact on the video recording industry. His innovative spirit continues to inspire advancements 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]
Loading…