Tenri, Japan

Sadayoshi Matsui


Average Co-Inventor Count = 3.8

ph-index = 9

Forward Citations = 376(Granted Patents)

Forward Citations (Not Self Cited) = 360(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Nara, JP (1987 - 1989)
  • Tenri, JP (1986 - 2001)

Company Filing History:


Years Active: 1986-2001

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Areas of Expertise:
Semiconductor Fabrication
Light-Emitting Devices
Compound Semiconductor Growth
Hyperresolution Optical Systems
Semiconductor Laser Devices
Diffraction Grating Formation
Scanning Apparatus
Buried Type Semiconductor Lasers
Semiconductor Laser Arrays
Optical Phase-Shifting Boards
Micro-Displacement Measurement
Integrated Light-Detecting Areas
64 patents (USPTO):Explore Patents

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Title: The Innovations of Sadayoshi Matsui: Pioneering Technology for a Better Future

Introduction: Sadayoshi Matsui, a distinguished inventor hailing from Tenri, Japan, has left an indelible mark on the technology landscape with his groundbreaking inventions and unwavering commitment to innovation.

Latest Patents:

1. Method and apparatus for fabricating semiconductor: Matsui's patent unveils a semiconductor fabrication apparatus utilizing molecular beam epitaxy techniques, revolutionizing the semiconductor industry with precision and efficiency.

2. Semiconductor light-emitting device: His patent introduces an advanced AlGaInP semiconductor light-emitting device design, incorporating innovative features for enhanced performance and functionality.

Career Highlights: Matsui has amassed an impressive portfolio of 64 patents, showcasing his expertise and ingenuity in the field of technology. His relentless pursuit of excellence has propelled him to the forefront of technological advancements.

Collaborations: Collaborating with talented individuals such as Mitsuhiro Matsumoto and Mototaka Taneya at Sharp Kabushiki Kaisha Corporation, Matsui has synergized his innovative vision with like-minded professionals to drive technological progress and achieve remarkable milestones.

Conclusion: Sadayoshi Matsui emerges as a beacon of innovation, pushing the boundaries of technology and inspiring future generations of inventors worldwide. His contributions have not only reshaped industries but also enhanced the lives of many, underscoring his enduring legacy in the realm of technology.

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