Yokohama, Japan

Toru Ushirogochi

This inventor holds 2 USPTO granted patents. Top assignees: Kabushiki Kaisha Toshiba, Toshiba Tec Kabushiki Kaisha. Active years: 1999-2008.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toru Ushirogochi. Retrieved from https://idiyas.com/inventor/toru-ushirogochi-a3l4pkjf

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 = 4.4

ph-index = 2

Forward Citations = 7(Granted Patents)


Company Filing History:


Years Active: 1999-2008

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2 patents (USPTO):Explore Patents

Title: Toru Ushirogochi: Inkjet and Photosensitive Composition Innovations.

Introduction

Toru Ushirogochi is an inventor associated with Yokohama, Japan. His work includes inventions in inkjet printing and photosensitive compositions, and he is credited with 2 patents.

Latest Patents

Ushirogochi’s listed patents address inkjet ink and a photosensitive composition.

The patent titled “Inkjet Ink, Inkjet Recording Method, Method of Evaluating Inkjet Ink, and Method of Manufacturing Inkjet Ink” describes an ink containing a solvent and pigment with an average particle diameter of no more than 250 nanometers. It also specifies a limit on the number of pigment-particle flocculates measuring at least one micrometer.

The patent titled “Photo-Sensitive Composition” concerns a composition for forming patterns using ArF or F₂ excimer laser exposure. It describes a compound with an acid-decomposable or acid-crosslinkable group, together with a specified additional compound whose components include aromatic groups and selected counterions.

Career Highlights

Ushirogochi’s listed company affiliations include Toshiba Tec Kabushiki Kaisha and Kabushiki Kaisha Toshiba, commonly known as Toshiba Tec and Toshiba, respectively.

Collaborations

His listed coworkers include Masashi Hiroki and Naomi Shida.

Conclusion

Toru Ushirogochi’s patent record reflects work spanning inkjet ink formulation and photosensitive materials for laser-based pattern formation.

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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