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Urethral erosion and Perineal Cellulitis after Midurethral Sling Procedure
김종민,배장호,송필현,신에스더,정희창 대한배뇨장애요실금학회 2011 International Neurourology Journal Vol.15 No.2
Midurethral tension-free sling procedure has become one of the most popular techniques for the treatment of stress urinary incontinence. As the time elapsed, however, complications associated with a synthetic tape have been reported to occur. Recently, we experienced a rare case of urethral erosion with perineal cellulitis at anterior wall of vagina after midurethral sling procedure. So our experience was presented with a review of literature.
Incentive to Raise Rivals' Costs: Patent Licensing in Vertically Integrated Markets
김종민 한국계량경제학회 2020 계량경제학보 Vol.31 No.4
A key input manufacturer with a patent can raise its rivals’ costs in upstream market either by raising the possibility of patent infringement litigation in case a license is not given or by raising the royalty in case a license is given to its rivals. We study under which scenarios the patent holder has more incentive to raise its rivals’ costs. There is related literature investigating the patent holder’s incentive to license its technology to its rivals such as Farrell and Gallini (1988), Rockett (1990), and Conner (1995) or investigating the vertically integrated input monopolists’ (or the patent holder’s) incentive to supply its input to its rivals such as Padilla and Wong-Ervin (2016) and Moresi and Schwartz (2017). This paper differs from those in that the patent holder allows its rivals to use its patent even without a license but keeps the option of patent litigation. That is, the patent holder has an option to grant a license to its rivals in the input market, called the component licensing, or to allow free access to its rivals and to give a license to the device manufacturers, called the end-product licensing. We show that in the component licensing model the patent holder has more incentive to raise its rivals’ costs.
김종민,강태형,류갑상,Kim, Jong-Min,Kang, Tae-Hyung,Ryu, Gab-Sang 한국사물인터넷학회 2021 한국사물인터넷학회 논문지 Vol.7 No.4
Recently, technological differentiation(sensor, AI) of products using IoT technology to satisfy consumer needs in the mature market for smart home appliances has received a lot of positive responses. However, air conditioner products are in the early stages of convergence technology. Therefore, air conditioner products are fields that require ICT technologies for information production, collection, processing, storage, and service development beyond IoT. In this paper, we collect and store contactless bio-signal using IR-UWB radar technology. The blowing direction of the air conditioning is controlled according to bio-signal and user's sleep is monitored to provide an optimal sleep environment. In addition, we propose a service algorithm that can provide comfort with changes in the optimal conditions of air conditioning and emotional lighting depending on the discomfort index environment. Through this study, we developed an intelligent smart air conditioning service platform with ICT technology of bio-signal, discomfort index, and emotional lighting.