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For the Inventor, By the Inventor

Shiga, Japan

Tomio Yamada

This inventor holds 6 USPTO granted patents. Top assignee: Matsushita Electric Works, Ltd.. Active years: 2004-2008.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tomio Yamada. Retrieved from https://idiyas.com/inventor/tomio-yamada-4nnt6yit

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

Calculating rank
USPTO Granted Patents = 6

Average Co-Inventor Count = 4.6

ph-index = 5

Forward Citations = 183(Granted Patents)


Location History:

  • Higashiazai-gun, JP (2004)
  • Kadoma, JP (2005)
  • Shiga, JP (2008)

Company Filing History:

goldMedal6 out of 1,623 
 
Matsushita Electric Works, Ltd.
 patents

Years Active: 2004-2008

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6 patents (USPTO):Explore Patents
1. 7328474 - Electric toothbrush with linear oscillator (2008-02-12),
2. 7315098 - Linear oscillator and electrically driven toothbrush (2008-01-01),
3. 6958553 - Linear oscillator (2005-10-25),
4. 6873067 - Linear oscillator (2005-03-29),
5. 6737779 - Commutator motor (2004-05-18),
6. 6683396 - Portable motor powered device (2004-01-27),

Title: Tomio Yamada: Innovator in Electric Toothbrush Technology

Introduction

Tomio Yamada is a notable inventor based in Shiga, Japan. He has made significant contributions to the field of dental hygiene technology, particularly through his innovative designs for electric toothbrushes. With a total of 6 patents to his name, Yamada continues to push the boundaries of what is possible in personal care devices.

Latest Patents

Yamada's latest patents include an electric toothbrush with a linear oscillator. This design features a drive part that includes a drive shaft, which is lineally movable, and a brush part that is detachably attached to one end of the drive shaft. The driver applies reciprocal force to the drive shaft, allowing it to move back and forth. Additionally, a vibration-absorber is connected to the drive shaft via a second spring, enhancing the toothbrush's functionality. Another patent focuses on a linear oscillator and an electric toothbrush that emits low noise while being compact. This linear oscillator includes a plunger that moves in the axial direction, an elastic member for resilient force, and an electromagnetic driving unit that operates at a resonant frequency.

Career Highlights

Tomio Yamada is currently employed at Matsushita Electric Works, Ltd., where he has been instrumental in developing advanced electric toothbrush technologies. His work has not only improved the efficiency of dental care devices but has also contributed to the overall user experience.

Collaborations

Yamada has collaborated with several talented individuals in his field, including Hidekazu Yabuuchi and Hiroki Inoue. These collaborations have fostered innovation and creativity, leading to the development of cutting-edge technologies in dental hygiene.

Conclusion

Tomio Yamada's contributions to electric toothbrush technology exemplify his dedication to innovation and improvement in personal care. His patents reflect a commitment to enhancing user experience and functionality in dental hygiene products.

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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