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For the Inventor, By the Inventor

Tokyo, Japan

Masayuki Kashino

This inventor holds 6 USPTO granted patents. Top assignees: Polymatech Co., Ltd., Polymatech Cp., Ltd.. Active years: 1998-2005.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masayuki Kashino. Retrieved from https://idiyas.com/inventor/masayuki-kashino

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

USPTO Granted Patents = 6

% Patents Active = 33.3

Average Co-Inventor Count = 1.3

ph-index = 3

Forward Citations = 15(Granted Patents)


Location History:

  • Tokyo, JP (2002 - 2003)
  • Iwatsuki, JP (1998 - 2005)

Company Filing History:

goldMedal5 out of 117 
 
Polymatech Co., Ltd.
 patents
silverMedal1 out of 1 
 
Polymatech Cp., Ltd.
 patent

Years Active: 1998-2005

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6 patents (USPTO):Explore Patents
1. 6967056 - Key sheet (2005-11-22),
2. 6713698 - Key top and method of manufacture (2004-03-30),
3. 6659666 - Key top assembly integrated with a film (2003-12-09),
4. 6607812 - Key sheet (2003-08-19),
5. 6455796 - Film integrated key top (2002-09-24),
6. 5820809 - Manufacturing method for key tops (1998-10-13),

Title: The Innovative Mind of Masayuki Kashino

Introduction

Masayuki Kashino is a distinguished inventor based in Tokyo, Japan. With a remarkable portfolio of six patents, Kashino has significantly contributed to the field of key manufacturing technologies. His innovative solutions have addressed various challenges in design and function, making him a notable figure in the industry.

Latest Patents

Kashino's recent patents showcase his skill in creating practical, user-friendly designs. One of his latest inventions is a key sheet, which comprises a key top made of resin, a translucent resin film, and a symbol layer. This key top features a gate corresponding section strategically positioned to prevent visibility through the symbol layer. This design ensures both aesthetics and functionality are maintained. Another notable invention is a key top and method of manufacture that includes a resin film covering a key top body, alongside a first extending portion that extends outward from the peripheral surface. The rear surfaces of these components are designed to be flat, ensuring a sleek profile that enhances the overall user experience.

Career Highlights

Kashino has collaborated with prominent companies, including Polymatech Co., Ltd. and Polymatech Cp., Ltd. His time at these organizations has allowed him to refine his innovative ideas and contribute significantly to advancements in key technology.

Collaborations

Throughout his career, Kashino has worked alongside talented professionals, including Hiroshi Yajima and Akihiro Tsuji. Their teamwork has undoubtedly fueled the creative processes behind Kashino's successful inventions, leading to efficient and groundbreaking products in the market.

Conclusion

Masayuki Kashino stands as a testament to innovation in the field of key manufacturing. With his impressive patent portfolio and collaborative spirit, he continues to impact the industry significantly. His inventions not only solve existing problems but also pave the way for future advancements in key technology.

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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