Toshiaki Nakajo

This inventor holds 22 USPTO granted patents, primarily in Personal Care Devices. Top assignees: Matsushita Electric Works, Ltd., Panasonic Electric Works Co., Ltd.. Active years: 1988-2011.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toshiaki Nakajo. Retrieved from https://idiyas.com/inventor/toshiaki-nakajo

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

USPTO Granted Patents = 22

% Patents Active = 100.0

Average Co-Inventor Count = 2.1

ph-index = 13

Forward Citations = 694(Granted Patents)

Location History:

Osaka, JP (1994)
Osaka-fu, JP (1998)
Hirakata, JP (1999)
Chiba-ken, JP (1999 - 2000)
Kadoma, JP (1988 - 2003)
Marashino, JP (2007)
Narashino, JP (2001 - 2011)

Company Filing History:

18 out of 1,623

Matsushita Electric Works, Ltd.

patents

4 out of 394

Panasonic Electric Works Co., Ltd.

patents

Years Active: 1988-2011

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Areas of Expertise:

Light Irradiation Facial Apparatus

Oral Irrigator

Electric Shaver

Hair Dryer

Electric Razor

Handheld Electric Face Cleaner

Eyelash Curler

Electric Dental Flosser

Window Cleaner

Combined Toilet Seat

Blade Guard

Foam Generator

22 patents (USPTO):Sort by Forward CitationsExplore Patents

1. D646396 - Light irradiation facial apparatus (2011-10-04),

2. D625406 - Oral irrigator (2010-10-12),

3. D621950 - Light irradiation facial apparatus (2010-08-17),

4. D621949 - Light irradiation facial apparatus (2010-08-17),

5. D548341 - Handheld electric face cleaner (2007-08-07),

6. D524487 - Blade guard for an electric shaver (2006-07-04),

7. D516245 - Electric razor (2006-02-28),

8. D482491 - Hair iron (2003-11-19),

9. D476443 - Brush for a hair dryer (2003-06-25),

10. D475807 - Electric shaver (2003-06-11),

11. D462140 - Hair dryer (2002-08-28),

12. D456655 - Foam generator (2002-05-08),

13. D450156 - Eyelash curler (2001-11-07),

14. D443110 - Eyelash curler (2001-05-30),

15. D434181 - Electric face cleaner (2000-11-21),

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Title: Unveiling the Innovations of Toshiaki Nakajo: A Prolific Japanese Inventor

Introduction: Toshiaki Nakajo, a distinguished inventor hailing from Narashino, Japan, has left an indelible mark on the world of innovation with his creative brilliance and numerous patents.

Latest Patents: Among his 22 patents, some of Toshiaki Nakajo's latest inventions include the groundbreaking Light Irradiation Facial Apparatus and the innovative Oral Irrigator, showcasing his versatility and ingenuity in developing consumer-centric products.

Career Highlights: With a rich professional background, Toshiaki Nakajo has contributed his expertise to renowned companies such as Matsushita Electric Works, Ltd., and Panasonic Electric Works Co., Ltd., where he honed his skills and brought his inventive ideas to life.

Collaborations: Throughout his career, Toshiaki Nakajo has collaborated closely with esteemed coworkers like Mayumi Seki and Keiko Ohta, fostering a dynamic and innovative work environment that has led to the successful realization of numerous patented inventions.

Conclusion: Toshiaki Nakajo's remarkable journey as an inventor exemplifies dedication, creativity, and a relentless pursuit of excellence, underscoring his profound impact on the realm of innovations. His enduring legacy serves as an inspiration for aspiring inventors worldwide, propelling the boundaries of what is possible through the power of innovation.

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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]