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For the Inventor, By the Inventor

Narashino, Japan

Shoichi Tokura

This inventor holds 19 USPTO granted patents, primarily in Optical Devices. Top assignee: Seiko Precision Inc.. Active years: 2014-2018.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shoichi Tokura. Retrieved from https://idiyas.com/inventor/shoichi-tokura

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

USPTO Granted Patents = 19

% Patents Active = 68.4

Average Co-Inventor Count = 2.6

ph-index = 2

Forward Citations = 11(Granted Patents)


Location History:

  • Chiba, JP (2015)
  • Narashino, JP (2014 - 2017)
  • Matsudo, JP (2017 - 2018)

Company Filing History:

goldMedal19 out of 254 
 
Seiko Precision Inc.
 patents

Years Active: 2014-2018

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Areas of Expertise:
Blade Drive Device
Optical Apparatus
Focal-Plane Shutter
Image Pickup Device
Optical Instrument
Current Adjustment
Optical Device
Imaging Device
Optical Technology
Focal Plane
Optical Engineering
Device Design
19 patents (USPTO):Explore Patents
1. 10101635 - Blade drive device and optical apparatus (2018-10-16),
2. 9733547 - Blade driving device and optical apparatus (2017-08-15),
3. 9671678 - Focal-plane shutter and optical apparatus (2017-06-06),
4. 9671677 - Focal-plane shutter and optical apparatus (2017-06-06),
5. 9658516 - Blade drive device and optical apparatus (2017-05-23),
6. 9632394 - Image pickup device and focal plane shutter (2017-04-25),
7. 9612505 - Focal-plane shutter and optical apparatus (2017-04-04),
8. 9606421 - Focal-plane shutter and optical device (2017-03-28),
9. 9513533 - Focal plane shutter and optical apparatus provided with same (2016-12-06),
10. 9507240 - Blade drive device and optical instrument (2016-11-29),
11. 9465275 - Imaging device and focal plane shutter (2016-10-11),
12. 9429815 - Blade drive device and optical instrument (2016-08-30),
13. 9395599 - Focal plane shutter and optical apparatus (2016-07-19),
14. 9304374 - Focal-plane shutter, optical device, and method for adjusting current for focal-plane shutter (2016-04-05),
15. 9239511 - Focal plane shutter and optical apparatus (2016-01-19),

Title: **Shoichi Tokura: Innovator in Blade Drive Technologies**

Introduction

Shoichi Tokura, an accomplished inventor based in Narashino, Japan, holds an impressive portfolio of 19 patents. His innovative contributions primarily focus on optimization within blade drive devices and optical apparatuses, showcasing his commitment to enhancing technology in these areas.

Latest Patents

Among his latest patents is a sophisticated blade drive device designed to suppress variations in the movement speed of blades during continuous operation. This invention not only enhances performance but also minimizes the operation interval of blades. The device features a bed plate with an opening and a blade receiving plate strategically positioned to optimize functionality. Additionally, Tokura has developed an advanced optical apparatus, incorporating first and second blades that open and close an opening with precision. This system is driven by adjacent actuators that include stators, rotors, and coils, all meticulously designed to ensure efficient operation.

Career Highlights

Tokura's career is marked by his association with Seiko Precision Inc., a company renowned for its dedication to technological advancement. His expertise and innovative spirit have established him as a key figure in the field, contributing significantly to the company's success and its reputation for high-quality engineering solutions.

Collaborations

Over the years, Tokura has worked alongside talented colleagues, including Seiichi Oishi and Hiroshi Takahashi. Their collaborative efforts have fostered an environment of creativity and progress, resulting in several groundbreaking innovations that push the boundaries of existing technologies.

Conclusion

Shoichi Tokura exemplifies the essence of innovation within the engineering sector. His patents reflect a unique blend of practicality and ingenuity, addressing real-world challenges and advancing the functionality of blade drive devices and optical apparatuses. As he continues to contribute to his field, Tokura’s work remains an invaluable asset to Seiko Precision Inc. and the broader technology landscape.

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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