Aichi, Japan

Hisami Iwata

This inventor holds 4 USPTO granted patents, plus 3 CIPO patents. Top assignees: Nagoya Oilchemical Co., Ltd., Toyota Jidosha Kabushiki Kaisha, Toyota Jidosha K.k.. Active years: 1989-1990.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hisami Iwata. Retrieved from https://idiyas.com/inventor/hisami-iwata

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

Calculating rank

% Patents Active = 100.0

 

Average Co-Inventor Count = 3.0

ph-index = 4

Forward Citations = 54(Granted Patents)


Location History:

  • Aichi, JP (1989)
  • Toyota, JP (1989 - 1990)

Company Filing History:


Years Active: 1989-1990

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4 patents (USPTO):Explore Patents

Title: The Innovative Contributions of Hisami Iwata

Introduction

Hisami Iwata is a notable inventor based in Aichi, Japan, recognized for her significant contributions to the field of engineering. With a total of four patents to her name, Iwata has developed innovative solutions that address various challenges in metal structures.

Latest Patents

Among her latest patents is a method of corrosion, sound, and vibration proofing of a metal structure. This method involves masking a selected surface of the metal structure with a polystyrene foam masking member, which has a closed cell structure and a density ranging from 12.5 to 50 g/l. The process includes coating the surfaces of the metal structure, including the masking member, with plasticized polyvinyl chloride through spray coating. After the coating, the masking member is removed using a hook for easy extraction from the polyvinyl chloride-coated metal structure. Additionally, she has introduced a new masking member that consists of an inserting part and a double flange, designed to protect the inside of holes in articles during surface treatment.

Career Highlights

Iwata has worked with prominent companies such as Nagoya Oilchemical Co., Ltd. and Toyota Motor Corporation. Her experience in these organizations has allowed her to apply her innovative ideas in practical settings, contributing to advancements in the industry.

Collaborations

Some of her notable coworkers include Seinosuke Horiki and Reiji Makino, who have collaborated with her on various projects, enhancing the scope of her inventions.

Conclusion

Hisami Iwata's inventive spirit and dedication to engineering have led to significant advancements in metal structure treatment methods. Her contributions continue to influence the industry and inspire future innovations.

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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