Nishitokyo, Japan

Hideyuki Matsuoka

USPTO Granted Patents = 63 


Average Co-Inventor Count = 4.5

ph-index = 17

Forward Citations = 1,136(Granted Patents)

Forward Citations (Not Self Cited) = 1,127(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Kokubunji, JP (1990)
  • Kodaira, JP (1993)
  • Houya, JP (2000 - 2002)
  • Hoya-shi, JP (2003)
  • Hoya, JP (2001 - 2007)
  • Nishitokyo, JP (2003 - 2012)
  • Tokyo, JP (1986 - 2014)

Company Filing History:


Years Active: 1986-2014

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Areas of Expertise:
Semiconductor Memory
Non-Volatile Memory
Integrated Circuit Device
Phase Change Memory
Memory Cell Formation
Magnetic Random Access Memory
Vertical-Channel Transistors
Storage Device Manufacturing
Low Power Semiconductor
High-Speed Semiconductor
Ion Movement Control
Crown Shaped Capacitor
63 patents (USPTO):Explore Patents

Title: **Innovative Contributions of Hideyuki Matsuoka in Semiconductor Memory Technology**

Introduction

Hideyuki Matsuoka is a prominent inventor based in Nishitokyo, Japan, recognized for his significant contributions to semiconductor memory technology. With an impressive portfolio of 62 patents, Matsuoka has dedicated his career to addressing challenges in the field of phase change memory, particularly issues related to chalcogenide materials.

Latest Patents

Matsuoka’s latest patents focus on enhancing the manufacturing processes for phase change memory. One of the critical challenges these processes face is the susceptibility of chalcogenide materials to delamination. This is primarily due to the low adhesion of these materials to high melting point metals and silicon oxide films. Additionally, chalcogenide materials exhibit low thermal stability, often leading to sublimation during manufacturing. In his innovative solutions, Matsuoka proposes forming conductive or insulative adhesive layers both above and below the chalcogenide material layer, which strengthens its delamination resistance. Furthermore, he introduces a protective film composed of a nitride material to be applied on the sidewalls of the chalcogenide layer, minimizing the risk of sublimation.

Career Highlights

Throughout his career, Hideyuki Matsuoka has collaborated with leading technology companies. Notable employers include Hitachi, Ltd. and Renesas Technology Corporation, where his expertise in semiconductor technology has led to significant advancements in memory manufacturing processes.

Collaborations

Matsuoka has worked alongside talented colleagues such as Takeshi Sakata and Norikatsu Takaura. Their collaborations have undoubtedly contributed to the refinement of semiconductor memory technologies and the development of innovative solutions to complex engineering problems.

Conclusion

Hideyuki Matsuoka’s inventions and patents illustrate his commitment to innovation in semiconductor memory technology. His work not only addresses critical manufacturing challenges but also sets a foundation for future advancements in the industry. With 62 patents to his name, Matsuoka continues to inspire the next generation of inventors and engineers in the tech sector.

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