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For the Inventor, By the Inventor

Gunma, Japan

Teruaki Fukasawa

This inventor holds 9 USPTO granted patents. Top assignee: Kabushiki Kaisha Pilot Corporation. Active years: 1998-2003.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Teruaki Fukasawa. Retrieved from https://idiyas.com/inventor/teruaki-fukasawa

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

Calculating rank
USPTO Granted Patents = 9

% Patents Active = 88.9

Average Co-Inventor Count = 1.9

ph-index = 4

Forward Citations = 41(Granted Patents)


Location History:

  • Isezaki, JP (1998 - 1999)
  • Isesaki, JP (1999)
  • Gumma, JP (2000)
  • Gunma, JP (2000 - 2003)

Company Filing History:

goldMedal9 out of 181 
 
Kabushiki Kaisha Pilot Corporation
 patents

Years Active: 1998-2003

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9 patents (USPTO):Explore Patents
1. 6503966 - Gelled non-aqueous ball point pen ink for forming drawn line approximate to that of aqueous ball point pen and ball point using the ink (2003-01-07),
2. 6479568 - Non-aqueous ball point pen ink and ball point pen using the ink (2002-11-12),
3. 6478496 - Ink follower for writing tool (2002-11-12),
4. 6114412 - Water-based ink with metallic gloss for direct fill in ball-point pen (2000-09-05),
5. 6083311 - Water based ink having metallic luster adapted for direct-filling in (2000-07-04),
6. 5984559 - Ballpoint pen refill and fabrication method thereof (1999-11-16),
7. 5945484 - Water-in-oil type disperse ink (1999-08-31),
8. 5925175 - Direct filling ink capable of being used for a ballpoint pen containing (1999-07-20),
9. 5767172 - Water base ink composition directly fed to a pen body of a ball-point pen (1998-06-16),

Title: Teruaki Fukasawa: Innovator in Writing Technology

Introduction

Teruaki Fukasawa is a notable inventor based in Gunma, Japan. He has made significant contributions to the field of writing technology, holding a total of nine patents. His innovative work focuses on enhancing the performance and usability of writing instruments.

Latest Patents

Fukasawa's latest patents include a gelled non-aqueous ball point pen ink designed to create lines similar to those produced by aqueous ball point pens. This non-aqueous ink comprises a colorant, an organic solvent, a non-Newtonian viscosity imparting agent, and a thickening agent, specifically polyvinyl pyrrolidone with a molecular weight of approximately 40,000 to 55,000. The ink's viscosity is carefully calibrated to ensure optimal performance, with specific measurements at varying shearing speeds. Another notable patent is for an ink follower for writing tools, which is designed to maintain close contact with the ink surface in the reservoir. This ink follower is made from a swollen gel that includes an oil-absorbable resin and exhibits improved impact resistance.

Career Highlights

Fukasawa is currently employed at Kabushiki Kaisha Pilot Corporation, where he continues to innovate in the writing instrument industry. His work has significantly impacted the design and functionality of ballpoint pens, making them more efficient and user-friendly.

Collaborations

Fukasawa has collaborated with notable colleagues, including Hironobu Kanbayashi and Kazuhiro Yoshii. Their combined expertise has contributed to the development of advanced writing technologies.

Conclusion

Teruaki Fukasawa's contributions to writing technology through his innovative patents have established him as a key figure in the industry. His work continues to influence the design and functionality of writing instruments, enhancing the user experience.

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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