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For the Inventor, By the Inventor

Tokyo, Japan

Masami Kuwahara

This inventor holds 6 USPTO granted patents and 1 published patent application. Top assignee: Toyo Ink Manufacturing Company. Active years: 1997-2003.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masami Kuwahara. Retrieved from https://idiyas.com/inventor/masami-kuwahara

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 = 100.0

Average Co-Inventor Count = 3.5

ph-index = 3

Forward Citations = 30(Granted Patents)


Location History:

  • Tokyo, JP (1997 - 2001)
  • Chuo-ku, JP (2003)

Company Filing History:

goldMedal6 out of 223 
 
Toyo Ink Manufacturing Company
 patents

Years Active: 1997-2003

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6 patents (USPTO):Explore Patents
1. 6504163 - Electron beam irradiation process and an object irradiated with an electron beam (2003-01-07),
2. 6188075 - Electron beam irradiating method and object to be irradiated with electron beam (2001-02-13),
3. 5868825 - Paint used in forming a magnetic recording medium backcoat layer (1999-02-09),
4. 5698618 - Coating composition (1997-12-16),
5. 5637405 - Magnetic recording medium having a backcoat layer containing carbon (1997-06-10),
6. 5601914 - Magnetic recording medium having a backcoat layer containing a (1997-02-11),

Title: Masami Kuwahara: Innovator in Electron Beam Technology

Introduction

Masami Kuwahara is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of electron beam technology, holding a total of 6 patents. His innovative work focuses on processes that enhance the efficiency and effectiveness of electron beam irradiation.

Latest Patents

Kuwahara's latest patents include an electron beam irradiation process and an object irradiated with an electron beam. This process involves accelerating electrons with a voltage applied in a vacuum, guiding the accelerated electrons into a normal-pressure atmosphere, and irradiating the electron beam onto an object. The technology utilizes a vacuum tube-type electron beam irradiation apparatus, with the acceleration voltage set at a value smaller than 100 kV. This method allows for precise irradiation of the electron beam onto various objects.

Career Highlights

Kuwahara is currently employed at Toyo Ink Manufacturing Company, where he continues to develop and refine his innovative technologies. His work has positioned him as a key figure in the advancement of electron beam applications in various industries.

Collaborations

Kuwahara has collaborated with notable colleagues, including Yoshio Hara and Michio Yabuno. These partnerships have fostered a creative environment that encourages the development of cutting-edge technologies.

Conclusion

Masami Kuwahara's contributions to electron beam technology exemplify the spirit of innovation. His patents and ongoing work at Toyo Ink Manufacturing Company highlight his commitment to advancing this important 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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