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For the Inventor, By the Inventor

Tokyo, Japan

Taiji Ishii

This inventor holds 4 USPTO granted patents. Top assignee: Dai Nippon Printing Co., Ltd.. Active years: 1998-1999.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Taiji Ishii. Retrieved from https://idiyas.com/inventor/taiji-ishii

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

USPTO Granted Patents = 4

% Patents Active = 100.0

Average Co-Inventor Count = 4.3

ph-index = 4

Forward Citations = 153(Granted Patents)


Location History:

  • Tokyo-To, JP (1998 - 1999)
  • Tokyo, JP (1999)

Company Filing History:

goldMedal4 out of 3,208 
 
Dai Nippon Printing Co., Ltd.
 patents

Years Active: 1998-1999

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4 patents (USPTO):Explore Patents
1. 5944405 - Flat light source using light-diffusing sheet with projections thereon (1999-08-31),
2. 5908476 - Abrasive tape and method of producing the same (1999-06-01),
3. 5868806 - Abrasive tape and method of producing the same (1999-02-09),
4. 5709598 - Abrasive tape and method of producing the same (1998-01-20),

Title: Taiji Ishii: Innovator in Abrasive Technology

Introduction

Taiji Ishii is a prominent inventor based in Tokyo-To, Japan. He has made significant contributions to the field of abrasive technology, holding a total of 4 patents. His innovative work has led to advancements in the production of high-quality abrasive tapes.

Latest Patents

Among his latest patents is a flat light source utilizing a light-diffusing sheet with projections. Additionally, he has developed a method for producing abrasive tape. This method involves a film substrate laminated with a polishing abrasive layer, which is wrapped around a roll formplate featuring concavities. As the roll formplate rotates, an ionizing radiation curing type resin is supplied, allowing for the formation of recessed parts on the resin surface. The process is efficient and suitable for mass production, resulting in abrasive tapes of high product quality.

Career Highlights

Taiji Ishii is associated with Dai Nippon Printing Co., Ltd., where he has been instrumental in developing innovative solutions in abrasive technology. His work has not only enhanced product quality but also improved production efficiency.

Collaborations

He has collaborated with notable coworkers, including Toshikazu Nishio and Hiroyuki Amemiya, contributing to the advancement of their shared projects.

Conclusion

Taiji Ishii's contributions to abrasive technology through his patents and innovative methods have established him as a key figure in his field. His work continues to influence the industry positively.

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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