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For the Inventor, By the Inventor

Shiga, Japan

Tohru Yamamoto

This inventor holds 7 USPTO granted patents. Top assignees: Canon Kabushiki Kaisha, Nakato Laboratory, Inc., Other. Active years: 1990-2003.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tohru Yamamoto. Retrieved from https://idiyas.com/inventor/tohru-yamamoto-odfs0jfr

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

Calculating rank
USPTO Granted Patents = 7

% Patents Active = 100.0

Average Co-Inventor Count = 2.4

ph-index = 5

Forward Citations = 49(Granted Patents)


Location History:

  • Shiga, JP (1995)
  • Shiga-ken, JP (1990 - 2003)

Company Filing History:

goldMedal4 out of 93,258 
 
Canon Kabushiki Kaisha
 patents
silverMedal2 out of 2 
 
Nakato Laboratory, Inc.
 patents
bronzeMedal3 out of 834,659 
Other
 patents
where one patent can have more than one assignee

Years Active: 1990-2003

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7 patents (USPTO):Explore Patents
1. 6506446 - Anti-fog coating material and method of preparing an anti-fog article (2003-01-14),
2. 6306932 - Anti-fogging coating material, anti-fogging coating film and anti-fogging article (2001-10-23),
3. 5976680 - Non-fogging antireflection film and optical member, and production (1999-11-02),
4. 5854341 - Anti-fogging coating composition, anti-fogging coated article and method (1998-12-29),
5. 5565238 - Recording medium for business machines, production thereof, and ink-jet (1996-10-15),
6. 5462787 - Recording medium for business machines, production thereof, and ink-jet (1995-10-31),
7. 4980392 - Aromatic composition and a method for the production of the same (1990-12-25),

Title: Tohru Yamamoto: Innovator in Anti-Fog Coating Technologies

Introduction

Tohru Yamamoto is a notable inventor based in Shiga-ken, Japan. He has made significant contributions to the field of anti-fog coating materials, holding a total of 7 patents. His innovative work has led to advancements in products that enhance visibility and safety in various applications.

Latest Patents

Yamamoto's latest patents include a method for preparing an anti-fog article. This invention involves coating a substrate with an anti-fog coating material to create a hydrophilic, moisture-absorptive, and durable anti-fog coating film. The material comprises a polyacrylic acid compound, polyvinyl alcohol, and acetylacetone, with the option of including sodium silicate. Another significant patent focuses on an anti-fogging coating material that includes an inorganic alkoxide, its hydrolysate, and polyacrylic, along with polyvinyl alcohol.

Career Highlights

Throughout his career, Tohru Yamamoto has worked with prominent companies, including Canon Kabushiki Kaisha. His expertise in developing anti-fogging technologies has positioned him as a key figure in this niche area of innovation.

Collaborations

Yamamoto has collaborated with notable colleagues such as Shigeo Yoshida and Hatsumi Ikari. Their combined efforts have contributed to the advancement of anti-fogging technologies and materials.

Conclusion

Tohru Yamamoto's contributions to anti-fog coating technologies demonstrate his innovative spirit and dedication to improving product functionality. His patents reflect a commitment to enhancing safety and visibility in various applications.

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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