Otsu, Japan

Masazumi Iwanishi

This inventor holds 3 USPTO granted patents. Top assignee: Toyo Boseki Kabushiki Kaisha. Active years: 1989-2002.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masazumi Iwanishi. Retrieved from https://idiyas.com/inventor/masazumi-iwanishi

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 = 3.8

ph-index = 3

Forward Citations = 18(Granted Patents)


Location History:

  • Otsu, JP (1989)
  • Ohtsu, JP (2002)

Company Filing History:


Years Active: 1989-2002

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3 patents (USPTO):Explore Patents

Title: Masazumi Iwanishi: Innovator in Polyamide Films and Silicon Technology

Introduction

Masazumi Iwanishi is a notable inventor based in Otsu, Japan. He has made significant contributions to the field of materials science, particularly in the development of advanced polyamide films and hydrogenated amorphous silicon films. With a total of 3 patents to his name, Iwanishi's work has had a considerable impact on various industrial applications.

Latest Patents

Iwanishi's latest patents include a polyamide film and a polyamide laminate film. The polyamide film is designed to meet specific criteria, including a haze value of not more than 5.0% and a coefficient of kinetic friction under varying humidity conditions. This film demonstrates superior properties, making it advantageous for a wide range of applications. Additionally, he has developed a process for producing hydrogenated amorphous silicon film, which is characterized by its photosensitivity and the inclusion of hydrogen and halogens.

Career Highlights

Masazumi Iwanishi is associated with Toyo Boseki Kabushiki Kaisha, where he has been instrumental in advancing the company's technological capabilities. His innovative work has positioned the company as a leader in the development of high-performance materials.

Collaborations

Iwanishi has collaborated with notable colleagues, including Osamu Imagawa and Seiichiro Yokoyama. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.

Conclusion

Masazumi Iwanishi's contributions to the fields of polyamide films and silicon technology highlight his role as a key innovator. His patents reflect a commitment to advancing material science, and his work continues to influence various industries.

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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