Kitakatsuragi, Japan

Kazuo Yamada

This inventor holds 94 USPTO granted patents and 5 published patent applications, plus 3 CIPO patents and 5 EPO patents, primarily in Battery Technology (CPC class D18-7). Top assignees: Sharp Kabushiki Kaisha Corporation, Fuji Xerox Co., Ltd., Hitachi Chemical Company, Ltd.. Active years: 1979-2020.

USPTO Granted Patents = 94 

% Patents Active = 60.6



Average Co-Inventor Count = 2.7

ph-index = 15

Forward Citations = 951(Granted Patents)

Forward Citations (Not Self Cited) = 855(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Sagamihara, JP (1990)
  • Kitakatsuragi, JP (1995)
  • Nara-ken, JP (1997 - 2000)
  • Kitakatsuargi-gun, JP (2007)
  • Kitakatsuragi-gun, JP (1996 - 2009)
  • Hitachi, JP (1979 - 2013)
  • Nara, JP (1995 - 2013)
  • Tokyo, JP (2002 - 2013)
  • Osaka, JP (1984 - 2015)
  • Nagoya, JP (2015)
  • Ibaraki, JP (2014 - 2016)
  • Kanagawa, JP (1994 - 2020)
  • Sakai, JP (2020)

Company Filing History:


Years Active: 1979-2020

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Areas of Expertise:
Lithium Secondary Battery
Power Control System
Image Processing
Graphite Particles
Data Processing
Nonaqueous Battery
Rechargeable Battery
Power Generation
Data Decompression
Circuit Design
Glass Manufacturing
Organic EL Device
94 patents (USPTO):Explore Patents

Title: Kazuo Yamada - Innovator of Advanced Power Systems and Reconfigurable Logic Circuits

Introduction

Kazuo Yamada, a prolific inventor based in Kitakatsuragi-gun, Japan, holds an impressive portfolio of 78 patents. His contributions span various technological fields, particularly in the domains of power generation systems and logical circuits. Through his innovative designs, Yamada continues to influence the advancement of electronic and power technologies.

Latest Patents

Yamada's recent work includes two significant patents. The first is a reconfigurable logical circuit that integrates a data processing unit, a memory for storing multiple combinations of configuration control bits, and a selector unit that optimally manages these bits to modify the unit's processing capabilities. This innovation enhances the versatility and efficiency of data processing systems.

The second patent revolves around a power generation system, power conditioner, and control device designed to ensure continuous electric supply during power outages. This system incorporates a control device connected to a storage battery, allowing it to feed the power conditioner with electricity from a power generation device, a commercial power grid, and an additional storage battery. This innovation is crucial for ensuring uninterrupted power supply in critical situations.

Career Highlights

Kazuo Yamada's career includes significant tenures at Sharp Kabushiki Kaisha Corporation and Sharp Corporation. His work has been instrumental in developing technologies that push the boundaries of current capabilities, helping shape the future of power management and processing units.

Collaborations

Throughout his career, Yamada has collaborated with talented professionals such as Takehito Mitate and Naoto Nishimura. These partnerships have fostered a creative environment, enabling the exchange of ideas and accelerating technological advancements.

Conclusion

Kazuo Yamada stands out as a prominent figure in the realm of innovation, with his extensive patent portfolio reflecting his expertise and creativity. His inventions in reconfigurable logical circuits and power generation systems not only showcase his technical prowess but also his commitment to developing solutions that meet modern energy and processing needs. As he continues to innovate, Yamada's contributions will undoubtedly leave a lasting impact on the industry.

Profile summary based on public USPTO records.
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