Kanagawa, Japan

Hirokazu Yamamoto

This inventor holds 2 USPTO granted patents. Top assignees: Mitsubishi Denki Kabushiki Kaisha, Nippon Shokubai Co., Ltd.. Active years: 1998-2009.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hirokazu Yamamoto. Retrieved from https://idiyas.com/inventor/hirokazu-yamamoto-w8ociozy

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

Calculating rank

% Patents Active = 50.0

Average Co-Inventor Count = 5.5

ph-index = 2

Forward Citations = 25(Granted Patents)


Company Filing History:


Years Active: 1998-2009

Loading Chart...
2 patents (USPTO):Explore Patents

Title: Inventor Hirokazu Yamamoto: Innovations in Concrete and Font Processing

Introduction

Hirokazu Yamamoto is a notable inventor based in Kanagawa, Japan, recognized for his contributions to two significant patents. His innovative work in the fields of concrete admixture and font processing showcases his versatility and dedication to enhancing technology.

Latest Patents

Hirokazu Yamamoto holds two notable patents, reflecting his inventive prowess. The first patent is for a **Polycarboxylic Acid Concrete Admixture**. This particular invention exhibits enhanced properties, including decreased viscosity, improved slump-retaining ability, and reduced bleeding water in concrete mixtures. It is formulated by polymerizing monomer components, which incorporate alkyl (meth)acrylate, specific polyalkylene glycol unsaturated monomers, and unsaturated carboxylic acid (salt) monomers, resulting in a polymer with a distinctive weight average molecular weight.

The second patent concerns an **Apparatus and Method for Font Thinning and Bolding Based upon Font**. This invention introduces a font processor that performs various processing techniques, including thinning and bolding of outline fonts. It adjusts according to the output apparatus's resolution level. The system generates a raster image from the outline font stored in memory and produces an outline image based on a predetermined outline width, ultimately allowing for the creation of either thinned or bolded raster images.

Career Highlights

Hirokazu Yamamoto has worked with prestigious organizations such as Mitsubishi Electric Corporation and Nippon Shokubai Co., Ltd. His experience in these significant companies demonstrates his ability to apply his innovative ideas in concrete technology and graphical applications, further establishing his reputation as a skilled inventor.

Collaborations

Throughout his career, Yamamoto has collaborated with accomplished peers, including Nobuyuki Ikeda and Hiroshi Sakurai. These partnerships have likely fostered a collaborative environment for innovation, allowing him to refine his inventions and explore new technological horizons.

Conclusion

Hirokazu Yamamoto stands out as a vital contributor to the fields of concrete technology and font processing. His two patents not only embody his innovative spirit but also reflect the broader impact of his work on various industries. As technology continues to evolve, inventors like Yamamoto play an essential role in shaping the future through their creative solutions and advancements.

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]
Loading…