Zama, Japan

Keishi Honta

This inventor holds 2 USPTO granted patents. Top assignee: Tosoh Corporation. Active years: 1990-1991.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Keishi Honta. Retrieved from https://idiyas.com/inventor/keishi-honta

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


% Patents Active = 100.0

Average Co-Inventor Count = 4.8

ph-index = 2

Forward Citations = 28(Granted Patents)


Company Filing History:


Years Active: 1990-1991

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

Title: Keishi Honta: Innovator in Silica Glass Technology

Introduction

Keishi Honta is a notable inventor based in Zama, Japan. He has made significant contributions to the field of silica glass technology, holding 2 patents that showcase his innovative approach to materials science.

Latest Patents

Honta's latest patents include an achromatic lens for ultraviolet rays and a method of producing a uniform silica glass block. The achromatic lens is constituted by high-purity silica glass with a purity of 99.9% or more, or fluorine-containing high-purity silica glass. The lens also incorporates silica glass containing germanium dioxide or a combination of germanium dioxide and boron oxide. His method for producing a uniform silica glass block involves using silica powder as a raw material, treating it at high temperature and pressure through hot pressing or hot isostatic pressing in a vacuum or inert gas atmosphere. This method dramatically reduces the OH group content of the silica glass by conducting calcination in fluorine, chlorine, or their compound gas followed by oxygen.

Career Highlights

Honta is currently employed at Tosoh Corporation, where he continues to develop innovative solutions in silica glass technology. His work has positioned him as a key figure in the advancement of materials used in various applications.

Collaborations

Some of Honta's coworkers include Hideaki Segawa and Koji Tsukuma, who contribute to the collaborative environment at Tosoh Corporation.

Conclusion

Keishi Honta's contributions to silica glass technology through his patents and work at Tosoh Corporation highlight his role as an influential inventor in the field. His innovative approaches continue to pave the way for advancements in materials science.

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…