IDiyas

For the Inventor, By the Inventor

Tokyo, Japan

Takefumi Adachi

USPTO Granted Patents = 14 

Average Co-Inventor Count = 2.1

ph-index = 5

Forward Citations = 82(Granted Patents)


Location History:

  • Kawaguchi, JP (2006 - 2010)
  • Saitama, JP (2007 - 2010)
  • Tokyo, JP (1989 - 2024)

Company Filing History:

goldMedal9 out of 28,544 
 
Ricoh Company, Ltd.
 patents
silverMedal5 out of 1,441 
 
Ykk Corporation
 patents

Years Active: 1989-2025

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14 patents (USPTO):Explore Patents
1. 12442399 - Clip, cover-member attachment tool, and clip assembly (2025-10-14),
2. 11857080 - Sheet fastener (2024-01-02),
3. 10820719 - Skin-material fixing tool (2020-11-03),
4. 10758060 - Cover material fastening clip (2020-09-01),
5. 10602811 - Fastener stringer, slide fastener, and fastener stringer attachment structure (2020-03-31),
6. 7748540 - Pallet packing tool (2010-07-06),
7. 7705871 - Optical writing device and image forming apparatus including the optical writing device that prevents scattered toner and powder dust from entering the optical writing device (2010-04-27),
8. 7526223 - Heat exhausting structure and image forming apparatus (2009-04-28),
9. 7317885 - Image forming apparatus mounted with an open and close unit (2008-01-08),
10. 7222471 - Pallet packing method and pallet packing tool used in the method (2007-05-29),
11. 7024129 - Air exhaust device having resilient member for reducing noise, and image forming apparatus using the same air exhaust device (2006-04-04),
12. D334771 - Toner cartridge (1993-04-13),
13. D325220 - Toner resupplying container (1992-04-07),
14. 4866482 - Image forming device for electrostatic recording apparatus having a (1989-09-12),

Title: Takefumi Adachi: Innovator in Fastening Technologies

Introduction

Takefumi Adachi is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of fastening technologies, holding a total of 14 patents. His innovative designs have improved the functionality and efficiency of various fastening systems.

Latest Patents

Among his latest patents are a clip, cover-member attachment tool, and a clip assembly. The clip features a first guide and a second guide, each designed to guide an engagement portion of a suspender to a gap formed between them. At least one of the guides is engageable with the engagement portion inserted through the gap, while a connecting portion links the two guides. Additionally, the first and second guides are positioned on the bottom surface of a groove of a cushion member. Another notable patent is a sheet fastener that includes a first fastening member and a second fastening member, both having elongated sizes. The first fastening member consists of a main body portion with a secured surface, an engagement portion, and multiple slit portions. The second fastening member mirrors this design, allowing for easy and smooth fastening of curved sheet edge portions between two sheets.

Career Highlights

Takefumi Adachi has worked with notable companies such as Ricoh Company, Ltd. and YKK Corporation. His experience in these organizations has allowed him to refine his skills and contribute to the development of innovative fastening solutions.

Collaborations

Some of his coworkers include Kazuhiko Imamura and Masaaki Tsuda. Their collaboration has likely fostered an environment of creativity and innovation, leading to the development of advanced fastening technologies.

Conclusion

Takefumi Adachi's work in fastening technologies showcases his inventive spirit and dedication to improving everyday products. His patents reflect a commitment to innovation that continues to influence the industry.

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