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For the Inventor, By the Inventor

Ibaraki, Japan

Taku Naitou

This inventor holds 15 USPTO granted patents and 1 published patent application and 1 EPO patent. Top assignee: Riso Kagaku Corporation. Active years: 2004-2017.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Taku Naitou. Retrieved from https://idiyas.com/inventor/taku-naitou

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

USPTO Granted Patents = 15 

 

Average Co-Inventor Count = 2.0

ph-index = 2

Forward Citations = 17(Granted Patents)


Location History:

  • Tokyo, JP (2004 - 2015)
  • Ibaraki-ken, JP (2004 - 2016)
  • Ibaraki, JP (2017)

Company Filing History:

goldMedal15 out of 1,087 
 
Riso Kagaku Corporation
 patents

Years Active: 2004-2017

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15 patents (USPTO):Explore Patents
1. 9604815 - Sheet folding device (2017-03-28),
2. 9376226 - Sealed letter formation system (2016-06-28),
3. 9039111 - Sealed document preparation system (2015-05-26),
4. 7615252 - Stencil printing ink (2009-11-10),
5. 7415926 - Stencil printing machine with stencil clamping portion (2008-08-26),
6. 7401551 - Stencil printing machine (2008-07-22),
7. 7370577 - Stencil printing machine using suction of ink recovery unit to fit stencil sheet to drum (2008-05-13),
8. 7370576 - Stencil printing method for printing water-based ink (2008-05-13),
9. 7287466 - Stencil printing machine, ink recovering method, image unevenness preventing method, and ink adapting method (2007-10-30),
10. 7194952 - Stencil printing machine (2007-03-27),
11. 7117786 - Stencil printing machine (2006-10-10),
12. 7069850 - Stencil printing machine (2006-07-04),
13. 7040222 - Stencil printing machine (2006-05-09),
14. 6789472 - Stencil printing machine (2004-09-14),
15. 6745685 - Stencil printing device (2004-06-08),

Title: Taku Naitou: Innovator in Sheet Folding Technology

Introduction

Taku Naitou is a prominent inventor based in Ibaraki-ken, Japan. He has made significant contributions to the field of sheet folding technology, holding a total of 15 patents. His innovative designs have streamlined processes in various applications, particularly in the production of envelopes and folded sheets.

Latest Patents

Naitou's latest patents include a "Sheet Folding Device" and a "Sealed Letter Formation System." The sheet folding device features a sheet receiving unit equipped with guide plates to manage stacked sheets. It also includes a roller group that introduces the sheets, strikes them to create a bent portion, and folds the sheets for discharge. The curve forming unit adds a curved portion to the sheets, enhancing their functionality. The sealed letter formation system is designed to fold an envelope sheet while enclosing content, forming a sealed envelope efficiently. This system includes a folder that performs a single fold before content insertion and a positioner that ensures proper alignment during the folding process.

Career Highlights

Taku Naitou is currently employed at Riso Kagaku Corporation, where he continues to innovate and develop new technologies. His work has significantly impacted the efficiency of envelope production and sheet handling.

Collaborations

Naitou collaborates with talented coworkers, including Akira Nakamura and Takuya Shibahara. Their combined expertise fosters a creative environment that drives innovation within their projects.

Conclusion

Taku Naitou's contributions to sheet folding technology exemplify the importance of innovation in modern manufacturing processes. His patents reflect a commitment to enhancing efficiency and functionality in everyday applications.

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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