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For the Inventor, By the Inventor

Fukushima, Japan

Naoki Yamada

This inventor holds 8 USPTO granted patents and 1 published patent application. Top assignee: Alps Electric Co., Ltd.. Active years: 1999-2012.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Naoki Yamada. Retrieved from https://idiyas.com/inventor/naoki-yamada-rop2cmxh

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 8 

% Patents Active = 87.5

Average Co-Inventor Count = 3.2

ph-index = 5

Forward Citations = 144(Granted Patents)


Company Filing History:

goldMedal8 out of 4,048 
 
Alps Electric Co., Ltd.
 patents

Years Active: 1999-2012

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8 patents (USPTO):Explore Patents
1. 8334794 - Input device and keyboard device having illumination function (2012-12-18),
2. 6664901 - Keyboard input device (2003-12-16),
3. 6184872 - Coordinate data input device and method of fabricating the same (2001-02-06),
4. 5973282 - Sheet-shaped switch (1999-10-26),
5. 5926171 - Coordinate data input device (1999-07-20),
6. 5896127 - Coordinate data input device and method of fabricating the same (1999-04-20),
7. 5892191 - Sheet-like switch with nonoverlapping conductive patterns (1999-04-06),
8. 5869790 - Coordinate input apparatus having orthogonal electrodes on opposite (1999-02-09),

Title: Naoki Yamada: Innovator in Input Device Technology

Introduction

Naoki Yamada is a prominent inventor based in Fukushima, Japan. He has made significant contributions to the field of input devices, holding a total of 8 patents. His innovative designs focus on enhancing user experience through advanced technology.

Latest Patents

Yamada's latest patents include an input device and a keyboard device featuring an illumination function. The input device comprises multiple manipulation portions and an input function portion that is manipulated to perform various input functions. It also includes a light guiding sheet and a light source that illuminates the manipulation portions. The keyboard input device features an elastic spring member that interacts with fixed contact parts on a film substrate, allowing for efficient key presses and air passage for improved functionality.

Career Highlights

Yamada is currently employed at Alps Electric Co., Ltd., where he continues to develop innovative input devices. His work has significantly impacted the design and functionality of keyboards and other input technologies.

Collaborations

Throughout his career, Yamada has collaborated with notable coworkers, including Ryuichi Hagiya and Hideto Matsufusa. These collaborations have contributed to the advancement of input device technology.

Conclusion

Naoki Yamada's contributions to input device technology through his patents and work at Alps Electric Co., Ltd. highlight his role as a key innovator in the field. His inventions continue to shape the future of user interaction with technology.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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