Tokyo, Japan

Naoki Yoshida

This inventor holds 79 USPTO granted patents and 10 published patent applications and 10 EPO patents, primarily in Physical Quantity Sensors. Top assignees: Seiko Epson Corporation, Denso Corporation, Nec Corporation. Active years: 1989-2025.

USPTO Granted Patents = 79 

% Patents Active = 53.2

 

Average Co-Inventor Count = 2.2

ph-index = 10

Forward Citations = 364(Granted Patents)

Forward Citations (Not Self Cited) = 362(Dec 10, 2025)


Location History:

  • Ohta-ku, JP (2008)
  • Tokorozawa, JP (1995 - 2013)
  • Suwa, JP (2010 - 2013)
  • Ohbu, JP (2013)
  • Nagano, JP (2012 - 2014)
  • Minato-ku, JP (2015)
  • Tachikawa, JP (2016)
  • Mitaka, JP (2021 - 2022)
  • Tokyo, JP (1989 - 2024)
  • Kariya, JP (2018 - 2024)

Company Filing History:

goldMedal21 out of 34,176 
 
Seiko Epson Corporation
 patents
silverMedal14 out of 20,357 
 
Denso Corporation
 patents
bronzeMedal8 out of 36,624 
 
Nec Corporation
 patents
47 out of 7 
 
Wedg Co., Ltd.
 patents
56 out of 8,295 
 
Olympus Corporation
 patents
65 out of 64 
 
Nagano Keiki Co., Ltd.
 patents
75 out of 1,288 
 
Zeon Corporation
 patents
84 out of 28,906 
 
Ricoh Company, Ltd.
 patents
94 out of 134 
 
Square Enix Co., Ltd.
 patents
103 out of 6 
 
Nippon Scientific Co., Ltd.
 patents
112 out of 12 
 
Altech Co., Ltd.
 patents
122 out of 16,860 
 
Fujifilm Corporation
 patents
132 out of 2,861 
 
Pioneer Electronic Corporation
 patents
142 out of 1,030 
 
Teac Corporation
 patents
151 out of 2 
 
Aoyama Seisakusho Ibaraki Plant Co., Ltd.
 patents
161 out of 3,132 
 
Asahi Kogaku Kogyo Kabushiki Kaisha
 patents
171 out of 270 
 
Kabushiki Kaisha Square Enix
 patents
181 out of 3 
 
Kusumoto Chemicals Co., Ltd.
 patents
191 out of 227 
 
Shinko Electric Company, Ltd.
 patents
201 out of 58,144 
 
Sony Corporation
 patents
211 out of 2,643 
 
The Furukawa Electric Co., Ltd.
 patents
221 out of 1,406 
 
Ykk Corporation
 patents
233 out of 834,307 
Other
 patents
where one patent can have more than one assignee

Years Active: 1989-2025

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Areas of Expertise:
Physical Quantity Detection
All-Solid-State Battery
Pressure Sensor
Inertia Detection
Diagnostic Circuit
Composite Sensor
Acceleration Sensor
Wireless Power Supply
Game Processing
Biological Information
Femtocell Communication
Sealing Material Composition
79 patents (USPTO):Explore Patents

Title: The Innovations of Naoki Yoshida in All-Solid-State Batteries and Pressure Sensors

Introduction

Naoki Yoshida is a prominent inventor based in Tokyo, Japan, known for his significant contributions to the fields of battery technology and sensor design. With an impressive portfolio of 46 patents, Yoshida's work focuses on innovative solutions that enhance the performance and reliability of all-solid-state secondary batteries and pressure sensors.

Latest Patents

Among Yoshida's recent inventions are groundbreaking patents including a binder composition for all-solid-state secondary batteries, a slurry composition for such batteries, and a solid electrolyte-containing layer. His binder composition aims to create a solid electrolyte-containing layer that significantly improves the high-temperature cycle characteristics of all-solid-state batteries. This formulation contains an acrylic polymer combined with a phosphoric acid ester emulsifier in specific mass proportions to optimize performance. Additionally, he has developed a pressure sensor consisting of a diaphragm that deforms under pressure, equipped with a strain detecting element made of polysilicon, ensuring accurate readings of pressure changes.

Career Highlights

Naoki Yoshida has made significant contributions through his work at various esteemed organizations. He has been associated with NEC Corporation, where he honed his skills in advanced technology development, and Wedg Co., Ltd., where he continued his pursuit of innovation in sensor technology. His extensive experience in these companies has greatly influenced his inventive process.

Collaborations

Throughout his career, Yoshida has collaborated with talented professionals such as Shunsuke Yokouchi and Yasuhiro Watanabe. These partnerships have fostered a creative environment that encourages the exploration of new ideas and the development of pioneering technologies.

Conclusion

Naoki Yoshida's commitment to innovation in battery technology and sensor design is evident through his numerous patents and collaborative efforts. His work not only advances the state of the art in these fields but also paves the way for future developments that could significantly impact energy storage and pressure measurement technologies.

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