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For the Inventor, By the Inventor

Chiba, Japan

Takashi Niwa

This inventor holds 80 USPTO granted patents and 1 EPO patent, primarily in Timepiece Technology (CPC class G11B7-00). Top assignees: Seiko Instruments Inc, Asahi Glass Company, Limited, Seiko Instruments R & D Center Inc.. Active years: 1996-2018.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takashi Niwa. Retrieved from https://idiyas.com/inventor/takashi-niwa

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

USPTO Granted Patents = 80

% Patents Active = 60.0


Average Co-Inventor Count = 5.0

ph-index = 10

Forward Citations = 557(Granted Patents)

Forward Citations (Not Self Cited) = 497(Dec 10, 2025)


Inventors with similar research interests:

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Location History:

  • Shatouumeda, Minamigebanochyou Sagahirosawa, Ukyoku, Kyoto Si, JP (1996)
  • Mihama-ku, JP (2002)
  • Chiba-shi, Chiba JP (2004)
  • Kashiwa, JP (2013 - 2014)
  • Chiba-ken, JP (2016)
  • Chiba, JP (2002 - 2018)

Company Filing History:

goldMedal75 out of 2,903 
 
Seiko Instruments Inc
 patents
silverMedal1 out of 2,560 
 
Asahi Glass Company, Limited
 patents
bronzeMedal1 out of 18 
 
Seiko Instruments R & D Center Inc.
 patents
4. 3 out of 834,513 
Other
 patents

Years Active: 1996-2018

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Areas of Expertise:
Timepiece
Mechanical Component
Detent Escapement
Movement
Chronograph Coupling Lever
Temperature Compensation
Battery Pack
Electroforming Mold
Optical Microcantilever
Operation Stabilizing Mechanism
Near-Field Optical Head
Information Reproducing Apparatus
80 patents (USPTO):Explore Patents
1. 10067475 - Timepiece (2018-09-04),
2. 9817369 - Mechanical component, mechanical component manufacturing method, movement, and timepiece (2017-11-14),
3. 9753433 - Mechanical component, movement, and timepiece (2017-09-05),
4. 9678477 - Mechanical component, mechanical component manufacturing method, movement, and timepiece (2017-06-13),
5. 9665069 - Electric generator device, timepiece movement, and timepiece (2017-05-30),
6. 9568887 - Operation stabilizing mechanism, movement, and mechanical timepiece (2017-02-14),
7. 9310772 - Metal structure, method of manufacturing metal structure, spring component, chronograph coupling lever for timepiece, and timepiece (2016-04-12),
8. 9235193 - Temperature compensation-type balance, timepiece movement, mechanical timepiece and manufacturing method of temperature compensation-type balance (2016-01-12),
9. 9188956 - Balance, timepiece movement, timepiece and manufacturing method of balance (2015-11-17),
10. 9164486 - Operation stabilization mechanism, movement, and mechanical timepiece (2015-10-20),
11. 9128465 - Balance with hairspring, movement, and timepiece (2015-09-08),
12. 9052693 - Constant force device, movement and mechanical timepiece (2015-06-09),
13. 9045832 - Manufacturing method of timepiece part and timepiece part (2015-06-02),
14. 8852491 - Method manufacturing electroforming mold (2014-10-07),
15. 8807827 - Detent escapement and mechanical timepiece (2014-08-19),

Certainly! Here is the article about inventor Takashi Niwa:

Title: Takashi Niwa: A Pioneer of Innovation in Timepiece Technology

Introduction: Takashi Niwa, a prolific inventor hailing from Chiba, JP, is a trailblazer in the world of technology. With an impressive portfolio of 80 patents, Niwa's relentless pursuit of innovation and his commitment to pushing the boundaries of what is possible have established him as a true pioneer in his field.

Latest Patents: Niwa's latest patents showcase his ingenuity in the realm of timepiece technology. One of his notable inventions is a unique timepiece equipped with a hollow tubular structure portion that ensures waterproof performance and efficient sound transmission. Another patent involves a mechanical component manufacturing method that offers precise dimensions and a substantial buffer effect.

Career Highlights: Throughout his career, Niwa has made significant contributions to the industry, working with esteemed companies such as Seiko Instruments Inc. His innovative spirit and dedication to excellence have led to the development of cutting-edge technologies that have reshaped the landscape of timepiece manufacturing.

Collaborations: Niwa's collaborative efforts with industry experts like Yasuyuki Mitsuoka and Nobuyuki Kasama have further propelled his pioneering work. Together, they have pushed the boundaries of technological innovation, inspiring future generations of inventors and innovators.

Conclusion: Takashi Niwa's remarkable journey as an inventor and his groundbreaking contributions to timepiece technology underscore his status as a true visionary. His legacy continues to inspire and shape the future of innovation, setting a high standard for inventors and innovators alike.

I hope this article captures the essence of Takashi Niwa's remarkable achievements and contributions to the world of 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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