Yokohama, Japan

Tadashi Kamagata

This inventor holds 11 USPTO granted patents and 2 published patent applications. Top assignee: Mitsubishi Pencil Kabushiki Kaisha. Active years: 2001-2004.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tadashi Kamagata. Retrieved from https://idiyas.com/inventor/tadashi-kamagata

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

USPTO Granted Patents = 11 

% Patents Active = 54.5

Average Co-Inventor Count = 3.1

ph-index = 4

Forward Citations = 36(Granted Patents)


Location History:

  • Yokohama, JP (2001 - 2003)
  • Kanagawa, JP (2004)

Company Filing History:


Years Active: 2001-2004

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11 patents (USPTO):Explore Patents

Title: A Pioneer in Writing Instruments: Tadashi Kamagata

Introduction:

Tadashi Kamagata, a distinguished inventor hailing from Yokohama, Japan, has made significant contributions to the field of writing instruments through his innovative patented creations. With a total of 11 patents under his belt, Kamagata continues to revolutionize the way we interact with writing utensils.

Latest Patents:

1. Water-based ink composition for writing utensil: Kamagata's invention provides a water-based ink composition for writing instruments, featuring nonionic surfactants and a unique blend of ingredients. This ink minimizes feathering of lines while ensuring a long-lasting fragrance, making it a standout choice for writing enthusiasts.

2. Water-based ink composition for writing instrument: Another groundbreaking patent by Kamagata introduces a water-based ink composition for writing instruments, incorporating reduced maltooligosaccharide and/or reduced isomaltooligosaccharide. This formula enhances the writing experience with improved performance and quality.

Career Highlights:

Tadashi Kamagata is affiliated with Mitsubishi Pencil Kabushiki Kaisha, a renowned company known for its innovative approach to stationery products. His expertise and dedication have amplified the company's reputation in the industry, solidifying his position as a key player in the realm of writing instruments.

Collaborations:

Throughout his career, Kamagata has collaborated closely with esteemed colleagues such as Masaru Miyamoto and Katsuhiko Shiraishi. Together, they have synergized their skills and expertise to drive forward advancements in writing instrument technology, fostering a culture of innovation and excellence.

Conclusion:

In conclusion, Tadashi Kamagata's inventive spirit and unwavering commitment to excellence have propelled him to the forefront of the writing instrument industry. His groundbreaking patents and collaborative efforts stand as a testament to his enduring legacy as a pioneer in the field.

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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