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2. Strategic differences between regional investments into graphene technology and how corporations and universities manage patent portfolios

Author

Nguyen, Ai Linh, Liu, Wenyuan, Khor, Khiam Aik, Nanetti, Andrea, and Cheong, Siew Ann

Subjects
Computer Science - Digital Libraries, Economics - Econometrics
Abstract

Nowadays, patenting activities are essential in converting applied science to technology in the prevailing innovation model. To gain strategic advantages in the technological competitions between regions, nations need to leverage the investments of public and private funds to diversify over all technologies or specialize in a small number of technologies. In this paper, we investigated who the leaders are at the regional and assignee levels, how they attained their leadership positions, and whether they adopted diversification or specialization strategies, using a dataset of 176,193 patent records on graphene between 1986 and 2017 downloaded from Derwent Innovation. By applying a co-clustering method to the IPC subclasses in the patents and using a z-score method to extract keywords from their titles and abstracts, we identified seven graphene technology areas emerging in the sequence synthesis - composites - sensors - devices - catalyst - batteries - water treatment. We then examined the top regions in their investment preferences and their changes in rankings over time and found that they invested in all seven technology areas. In contrast, at the assignee level, some were diversified while others were specialized. We found that large entities diversified their portfolios across multiple technology areas, while small entities specialized around their core competencies. In addition, we found that universities had higher entropy values than corporations on average, leading us to the hypothesis that corporations file, buy, or sell patents to enable product development. In contrast, universities focus only on licensing their patents. We validated this hypothesis through an aggregate analysis of reassignment and licensing and a more detailed analysis of three case studies - SAMSUNG, RICE UNIVERSITY, and DYSON., Comment: 48 pages, 22 figures, 22 appendix figures

Published
2022

4. The Golden Eras of Graphene Science and Technology: Bibliographic Evidences From Journal and Patent Publications

Author

Nguyen, Ai Linh, Liu, Wenyuan, Khor, Khiam Aik, Nanetti, Andrea, and Cheong, Siew Ann

Subjects
Computer Science - Digital Libraries, Physics - Physics and Society
Abstract

Today's scientific research is an expensive enterprise funded largely by taxpayers' and corporate groups' monies. It is a critical part in the competition between nations, and all nations want to discover fields of research that promise to create future industries, and dominate these by building up scientific and technological expertise early. However, our understanding of the value chain going from science to technology is still in a relatively infant stage, and the conversion of scientific leadership into market dominance remains very much an alchemy rather than a science. In this paper, we analyze bibliometric records of scientific journal publications and patents related to graphene, at the aggregate level as well as on the temporal and spatial dimensions. We find the present leaders of graphene science and technology emerged rather late in the race, after the initial scientific leaders lost their footings. More importantly, notwithstanding the amount of funding already committed, we find evidences that suggest the 'Golden Eras' of graphene science and technology were in 2010 and 2012 respectively, in spite of the continued growth of journal and patent publications in this area., Comment: 35 pages, 24 figures

Published
2019

15. The 2016 Thermal Spray Roadmap

Author

Vardelle, Armelle, Moreau, Christian, Akedo, Jun, Ashrafizadeh, Hossein, Berndt, Christopher C., Berghaus, Jörg Oberste, Boulos, Maher, Brogan, Jeffrey, Bourtsalas, Athanasios C., Dolatabadi, Ali, Dorfman, Mitchell, Eden, Timothy J., Fauchais, Pierre, Fisher, Gary, Gaertner, Frank, Gindrat, Malko, Henne, Rudolf, Hyland, Margaret, Irissou, Eric, Jordan, Eric H., Khor, Khiam Aik, Killinger, Andreas, Lau, Yuk-Chiu, Li, Chang-Jiu, Li, Li, Longtin, Jon, Markocsan, Nicolaie, Masset, Patrick J., Matejicek, Jiri, Mauer, Georg, McDonald, André, Mostaghimi, Javad, Sampath, Sanjay, Schiller, Günter, Shinoda, Kentaro, Smith, Mark F., Syed, Asif Ansar, Themelis, Nickolas J., Toma, Filofteia-Laura, Trelles, Juan Pablo, Vassen, Robert, and Vuoristo, Petri

Published
2016
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22. Erratum to: The 2016 Thermal Spray Roadmap

Author

Vardelle, Armelle, Moreau, Christian, Akedo, Jun, Ashrafizadeh, Hossein, Berndt, Christopher C., Berghaus, Jörg Oberste, Boulos, Maher, Brogan, Jeffrey, Bourtsalas, Athanasios C., Dolatabadi, Ali, Dorfman, Mitchell, Eden, Timothy J., Fauchais, Pierre, Fisher, Gary, Gaertner, Frank, Gindrat, Malko, Henne, Rudolf, Hyland, Margaret, Irissou, Eric, Jodoin, Bertrand, Jordan, Eric H., Khor, Khiam Aik, Killinger, Andreas, Lau, Yuk-Chiu, Li, Chang-Jiu, Li, Li, Longtin, Jon, Markocsan, Nicolaie, Masset, Patrick J., Matejicek, Jiri, Mauer, Georg, McDonald, André, Mostaghimi, Javad, Sampath, Sanjay, Schiller, Günter, Shinoda, Kentaro, Smith, Mark F., Syed, Asif Ansar, Themelis, Nickolas J., Toma, Filofteia-Laura, Trelles, Juan Pablo, Vassen, Robert, and Vuoristo, Petri

Published
2017
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23. Plasma synthesis of zirconia-alloy powders

Author

Khor., Khiam Aik

Subjects
ComputingMilieux_COMPUTERSANDEDUCATION, ComputerApplications_COMPUTERSINOTHERSYSTEMS, Uncategorized
Abstract

This thesis was scanned from the print manuscript for digital preservation and is copyright the author. Researchers can access this thesis by asking their local university, institution or public library to make a request on their behalf. Monash staff and postgraduate students can use the link in the References field.

Published
2021
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27. The rapid evolution of biomaterials : research trends and societal implications examined through bibliometric analysis and artificial intelligence

Author

Khor, Khiam Aik, Soehartono, Alana M., Darroch, Peter, School of Mechanical and Aerospace Engineering, 11th World Biomaterials Congress (WBC 2020), Talent Recruitment and Career Support (TRACS), and Elsevier B.V. Marketing and Planning, United Kingdom

Subjects
Biomaterials, Library and information science, General [Engineering], Bibliometrics, Science Mapping
Abstract

The field of biomaterials has seen a rapid expansion in its research discourse. Biomaterials is represented by a diverse array of fields ranging from physics, materials science and engineering to chemistry and molecular biology. Between the 7th (2004) and 10th (2016) World Biomedical Congress (WBC), the most frequently-occurring terms of the abstract corpus shifted from material to biological terms. Earlier works which emphasized materials characterization, with frequently occurring terms such as “electron microscopy”, “spectroscopy”, and “SEM”. By contrast, terms from more recent works reflect a biological nature, such as “growth factor”, “drug”, “expression”, “stem cell”, and “nanoparticles” replacing top positions. Similarly, hip arthoplasty, documented as early as 1840, originated as a surgical pursuit. The introduction of metal-on-polyethylene articulations by the surgeon John Charnley in the 1960s made polyethylene synonymous with hip implants. Subsequently, research efforts focused on using materials as a means to improve the implant performance and lifetime. These patterns are indicative of research priorities moving from material biocompatibility to biofunctionality. From over 5,000 publication records spanning 1990-2018, we use network and bibliometric analysis to identify the knowledge pathway of biomaterials. We found that the emergence of functional materials signals sufficient fundamental material and clinical understanding. These scientific activities in biomaterials contribute to innovations of significant societal impact that can improve the quality and care of the end-user. With the broader vision of predicting future needs and directions, we look to the past to trace the biomaterial knowledge pathway evolutio Ministry of Education (MOE) This work was funded by MOE RG 141/17 and Elsevier (Project: Detecting Signals Of Societal-Economic Impact: Biomaterials As A Case Study).

Published
2020

39. Thermoelectric Performance: Enhancement of Thermoelectric Performance in CuSbSe 2 Nanoplate‐Based Pellets by Texture Engineering and Carrier Concentration Optimization (Small 50/2018)

Author

Luo, Yubo, primary, Du, Chengfeng, additional, Liang, Qinghua, additional, Zheng, Yun, additional, Zhu, Beibei, additional, Hu, Huanlong, additional, Khor, Khiam Aik, additional, Xu, Jianwei, additional, Yan, Qingyu, additional, and Kanatzidis, Mercouri G., additional

Published
2018
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43. n‐Type SnSe 2 Oriented‐Nanoplate‐Based Pellets for High Thermoelectric Performance

Author

Luo, Yubo, primary, Zheng, Yun, additional, Luo, Zhongzhen, additional, Hao, Shiqiang, additional, Du, Chengfeng, additional, Liang, Qinghua, additional, Li, Zhong, additional, Khor, Khiam Aik, additional, Hippalgaonkar, Kedar, additional, Xu, Jianwei, additional, Yan, Qingyu, additional, Wolverton, Chris, additional, and Kanatzidis, Mercouri G., additional

Published
2017
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47. Editorial

Author

Li, Chang-Jiu, Kuroda, Seiji, Fukumoto, Masahiro, Khor, Khiam Aik, Li, Changhee, and Wang, You

Published
2010
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50. In vitro biological properties of 45S5 bioglass fabricated by spark plasma sintering (SPS)

Author

Li Zhong, Hu Huanlong, Thompson Brianna, and Khor Khiam Aik

Subjects
Histology, Materials science, Biomedical Engineering, Spark plasma sintering, Bioengineering, 030206 dentistry, 02 engineering and technology, 021001 nanoscience & nanotechnology, In vitro, 03 medical and health sciences, 0302 clinical medicine, Chemical engineering, Biological property, 0210 nano-technology, Biotechnology
Published
2016

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