Gadolinium oxysulfide - patents, research & applications

333Patents

38Research papers

29Patents - last 3 years

0Papers - last 3 years

Who owns the IP

The organizations most actively patenting around this compound, ranked by referenced patent volume.

#	Assignee	Patents
1	Canon Electron Tubes and Devices Co Ltd	85
2	Proterial Ltd	20
3	Siemens Healthcare GmbH	13
4	Siemens Corp	11
5	Koninklijke Philips NV	10

6	Siemens AG	8
7	Toshiba Corp	8
8	Canon Inc	7
9	Eastman Kodak Co	7
10	Agfa Gevaert NV	6

Explore the full landscape

This preview shows the leading assignees. Cypris reveals the full ownership landscape - every filing entity, filing trends, and portfolio momentum.

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Where innovation is concentrated

Patent classifications ranked by volume reveal the technical domains with the most active filing.

#	Code	Area	Patents
1	`G01T`		141
2	`G21K`		70
3	`C09K`	Materials for misc. applications	63
4	`A61B`		46
5	`H10F`		43

6	`G01N`	Investigating / analysing materials	29
7	`H04N`		28
8	`H01J`		16
9	`H01L`	Semiconductor devices	16
10	`A61N`		14

AI mapped opportunity space

This preview shows where patent activity concentrates. Cypris maps the full classification landscape to surface technical whitespace and IP headroom.

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Most-cited patents

Patents ranked by forward citations reveal the foundational inventions the field continues to build on.

Title	Year	Assignee
Process for the preparation of gadolinium oxysulfide (Gd2O2S) scintillation ceramics	2019	Nuctech Co Ltd
Process for the preparation of gadolinium oxysulfide (Gd2O2S) - scintillation ceramics	2019	Nuctech Co Ltd
Process for the preparation of gadolinium oxysulfide (Gd2O2S) scintillation ceramics	2017	Nuctech Co Ltd

Where research is gaining momentum

Research themes ranked by publication activity show where scientific interest is accelerating around this compound.

#	Research topic	Papers
1	Atomic and Subatomic Physics Research	1
2	thermodynamics and calorimetric analyses	1

Who's driving the science

The most-published authors working with this compound, alongside their primary affiliations.

#	Author	Affiliation	Papers
1	I. Kandarakis	Technological Educational Institute of Athens	6
2	D. Cavouras	Technological Educational Institute of Athens	5
3	George Panayiotakis	University of Patras	4
4	Marine Vincent	Université Fédérale de Toulouse Midi-Pyrénées	2
5	Jeffrey N. Anker	Clemson University	3

6	Marc Verelst	Université Fédérale de Toulouse Midi-Pyrénées	3
7	P. Liaparinos	University of Patras	3
8	Robert Mauricot	Université Fédérale de Toulouse Midi-Pyrénées	3
9	Séverine Lechevallier	Université Fédérale de Toulouse Midi-Pyrénées	3
10	Alex Lempicki		2

Research leaders

This preview lists the top authors. Cypris surfaces the full researcher landscape, their affiliations, and how scientific influence is shifting.

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The literature that defines it

The most-cited papers anchoring the scientific record for this compound.

Title	Year	Cited by	Topic
Tomographic molecular imaging of x-ray-excitable nanoparticles	2010	134	Advanced MRI Techniques and Applications
Flat detectors and their clinical applications	2005	134	Medical Imaging Techniques and Applications
Monitoring pH-Triggered Drug Release from Radioluminescent Nanocapsules with X-ray Excited Optical Luminescence	2013	126	Nanoparticle-Based Drug Delivery
Evaluating x-ray detectors for radiographic applications: A comparison of ZnSCdS:Ag with and screens	1997	90	Digital Radiography and Breast Imaging
Modeling granular phosphor screens by Monte Carlo methods	2006	83	Luminescence Properties of Advanced Materials

Frequently asked questions

Common questions about this compound's patent and research landscape, answered from the underlying data.

What is the molecular composition of gadolinium oxysulfide?

Gadolinium oxysulfide has the molecular formula Gd4O3S3 with a molecular weight of 773.177 g/mol. It is also known by the canonical name tetrakis(gadolinium(3+));tris(oxygen(2-));trisulfide and has the InChI Key MIKCAECBBIRHCH-UHFFFAOYSA-N.

Which organizations hold the most patents for gadolinium oxysulfide?

Canon Electron Tubes and Devices Co Ltd leads with 85 patents, followed by Proterial Ltd with 20 patents and Siemens Healthcare GmbH with 13 patents. Other significant patent holders include Siemens Corp, Koninklijke Philips NV, Siemens AG, Toshiba Corp, Canon Inc, Eastman Kodak Co, and Agfa Gevaert NV.

What patent classifications are most relevant to gadolinium oxysulfide technology?

The most prevalent CPC subclass is G01T with 141 patents, covering nuclear and cosmic ray instruments. This is followed by G21K with 70 patents (nuclear engineering), C09K with 63 patents (materials chemistry), and A61B with 46 patents (medical devices and diagnosis). These classifications reflect the compound's primary applications in radiation detection and medical imaging.

What are the leading research topics associated with gadolinium oxysulfide?

Published research on gadolinium oxysulfide covers several key areas including medical imaging techniques and applications, nanoparticle-based drug delivery, advanced MRI techniques, luminescence properties of advanced materials, and digital radiography. The most-cited paper is on tomographic molecular imaging of x-ray-excitable nanoparticles with 134 citations.

Who are the most prolific academic researchers in this field?

I. Kandarakis from Technological Educational Institute of Athens is the most active researcher with 6 papers, followed by D. Cavouras, also from Technological Educational Institute of Athens, with 5 papers. Other leading contributors include George Panayiotakis from University of Patras with 4 papers, and Jeffrey N. Anker from Clemson University with 3 papers.