1
Jenkin A Richard, Eric V Chamness, Huapeng Guan: 3-port optical add-drop multiplexer (OADM). Oplink Communications, Fish & Richardson P C, February 27, 2007: US07184620 (1 worldwide citation)

A low cost compact 3-port single-channel OADM with improved optical isolation is provided in which the I/O fibers and add/drop fiber are arranged on the same side. The 3-port OADM includes a 3-fiber pigtail and an angled reflector that together eliminate the second fiber collimator—one set of lenses ...


2
Douglas A Prins, Aaron K Olbrich, Huapeng Guan, Graeme Weston Lewis, Anand Kulkarni, Yipei Yu: Tracking intermix of writes and un-map commands across power cycles. SanDisk Technologies, Brinks Gilson & Lione, September 5, 2017: US09753649

Systems, methods and/or devices are used to enable tracking intermix of writes and un-map commands across power cycles. In one aspect, the method includes (1) receiving, at a storage device, a plurality of commands from a host, the storage device including non-volatile memory, (2) maintaining a log ...


3
Huapeng Guan: Multi-mode voice instant messaging internet phone (VIMIP) handset device. James Cai Schein & Cai, December 13, 2007: US20070286171-A1

A multi-mode Voice Instant Messaging Internet Phone (VIMIP) handset device that can effectuate a VoIP phone call to a standard phone or other IM client device (a personal computer with voice IM client software or another VIMIP handset device) with a telephone number associated therewith through an I ...