Nagaokakyo, Japan

Isao Obu

This inventor holds 56 USPTO granted patents and 4 published patent applications, primarily in Semiconductor Devices (CPC class H01L). Top assignees: Murata Manufacturing Co., Ltd., Murata Manufacturingco., Ltd., Renesas Technology Corp.. Active years: 2010-2024.

USPTO Granted Patents = 56 

% Patents Active = 96.4

Average Co-Inventor Count = 3.7

ph-index = 6

Forward Citations = 57(Granted Patents)

Forward Citations (Not Self Cited) = 46(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Tokyo, JP (2010)
  • Kyoto-fu, JP (2016)
  • Kyoto, JP (2019 - 2023)
  • Nagaokakyo, JP (2015 - 2024)

Company Filing History:


Years Active: 2010-2024

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Areas of Expertise:
Bipolar Transistor
Power Amplifier
Heterojunction Bipolar Transistor
Semiconductor Device
Radio Frequency Amplifier
Amplifier Module
Protective Protrusion
Ballast Resistor
Semiconductor Chip
Transmission Unit
Power Amplification Device
Emitter Layers
56 patents (USPTO):Explore Patents

Title: The Innovative Journey of Inventor Isao Obu

Introduction: Isao Obu is a renowned inventor hailing from Nagaokakyo, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Isao Obu holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his continuous dedication to pushing the boundaries of technological advancement.

Career Highlights: With a career spanning over two decades, Isao Obu has worked with leading tech companies in Japan, spearheading research and development projects that have led to significant technological breakthroughs in various industries.

Collaborations: Throughout his career, Isao Obu has collaborated with top researchers, engineers, and scientists both locally and internationally, fostering a culture of innovation and knowledge sharing to drive progress in the field of technology.

Conclusion: Isao Obu's relentless pursuit of innovation and his passion for creating solutions to complex technological challenges have solidified his reputation as a visionary inventor in the global tech community.

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