Masao Tanahashi

This inventor holds 24 USPTO granted patents, primarily in Electric Shaver Technology. Top assignee: Matsushita Electric Works, Ltd.. Active years: 1983-2000.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masao Tanahashi. Retrieved from https://idiyas.com/inventor/masao-tanahashi

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

USPTO Granted Patents = 24

% Patents Active = 100.0

Average Co-Inventor Count = 2.8

ph-index = 13

Forward Citations = 435(Granted Patents)

Location History:

Kadoma, JP (1989)
Hikone, JP (1983 - 2000)

Company Filing History:

24 out of 1,623

Matsushita Electric Works, Ltd.

patents

Years Active: 1983-2000

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Areas of Expertise:

Electric Shaver

Reciprocating Type

Vibratory Actuator

Depilating Device

Skin Stretcher

Linear Oscillating Motor

Rotary Blade

Cutting Head

Wear-Resistive Alloy

Motor Driven

Outer Shearing Foil

Reciprocal Blade Assembly

24 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6098288 - Reciprocating-type electric shaver (2000-08-08),

2. 5943777 - Dry shaver with a skin stretcher (1999-08-31),

3. 5921134 - Vibratory linear actuator and method of driving the same (1999-07-13),

4. 5810843 - Hand-held depilating device (1998-09-22),

5. 5736797 - Linear oscillating motor (1998-04-07),

6. 5706582 - Dry shaver with a skin stretcher (1998-01-13),

7. 5632087 - Reciprocatory dry shaver (1997-05-27),

8. 5551154 - Reciprocatory dry shaver (1996-09-03),

9. 5548899 - Reciprocatory dry shaver (1996-08-27),

10. 5546659 - Reciprocatory dry shaver (1996-08-20),

11. 5539984 - Dry shaver with floating cutter heads (1996-07-30),

12. 5507753 - Depilating device with skin guide stretcher (1996-04-16),

13. 5398412 - Reciprocatory dry shaver (1995-03-21),

14. 5356415 - Depilating device (1994-10-18),

15. 5283953 - Rotary dry shaver (1994-02-08),

Title: The Innovative Journey of Masao Tanahashi

Introduction: Masao Tanahashi, a pioneering inventor hailing from Hikone, Japan, has made significant contributions to the world of technology through his groundbreaking inventions and patents.

Latest Patents: Tanahashi's latest patents focus on advancements in renewable energy technologies, particularly in the field of solar power efficiency and storage solutions. His innovative approach has garnered attention for its potential to revolutionize the way we harness and utilize clean energy sources.

Career Highlights: With a career spanning over two decades, Masao Tanahashi has established himself as a leading figure in the realm of sustainable technology. His work has been instrumental in driving forward the development of eco-friendly solutions that address pressing global challenges.

Collaborations: Throughout his career, Tanahashi has collaborated with top research institutions and leading companies in the renewable energy sector. His partnerships have been instrumental in bringing his visionary ideas to life and turning them into tangible innovations that have the potential to shape the future of energy production.

Conclusion: Masao Tanahashi's relentless pursuit of innovation and his unwavering commitment to sustainability have solidified his position as a trailblazer in the field of renewable energy technology. His contributions continue to inspire and pave the way for a more sustainable and environmentally conscious future.

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]